grpc-spring-boot/docs/README_zh.html at master · srclab-projects/grpc-spring-boot · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta name="generator" content="Asciidoctor 2.0.12">
<meta name="author" content="Sun Qian">
<title>Spring Boot Starter for gRPC</title>
<link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Open+Sans:300,300italic,400,400italic,600,600italic%7CNoto+Serif:400,400italic,700,700italic%7CDroid+Sans+Mono:400,700">
<style>
/* Asciidoctor default stylesheet | MIT License | https://asciidoctor.org */
/* Uncomment @import statement to use as custom stylesheet */
/*@import "https://fonts.googleapis.com/css?family=Open+Sans:300,300italic,400,400italic,600,600italic%7CNoto+Serif:400,400italic,700,700italic%7CDroid+Sans+Mono:400,700";*/
article,aside,details,figcaption,figure,footer,header,hgroup,main,nav,section{display:block}
audio,video{display:inline-block}
audio:not([controls]){display:none;height:0}
html{font-family:sans-serif;-ms-text-size-adjust:100%;-webkit-text-size-adjust:100%}
a{background:none}
a:focus{outline:thin dotted}
a:active,a:hover{outline:0}
h1{font-size:2em;margin:.67em 0}
abbr[title]{border-bottom:1px dotted}
b,strong{font-weight:bold}
dfn{font-style:italic}
hr{-moz-box-sizing:content-box;box-sizing:content-box;height:0}
mark{background:#ff0;color:#000}
code,kbd,pre,samp{font-family:monospace;font-size:1em}
pre{white-space:pre-wrap}
q{quotes:"\201C" "\201D" "\2018" "\2019"}
small{font-size:80%}
sub,sup{font-size:75%;line-height:0;position:relative;vertical-align:baseline}
sup{top:-.5em}
sub{bottom:-.25em}
img{border:0}
svg:not(:root){overflow:hidden}
figure{margin:0}
fieldset{border:1px solid silver;margin:0 2px;padding:.35em .625em .75em}
legend{border:0;padding:0}
button,input,select,textarea{font-family:inherit;font-size:100%;margin:0}
button,input{line-height:normal}
button,select{text-transform:none}
button,html input[type="button"],input[type="reset"],input[type="submit"]{-webkit-appearance:button;cursor:pointer}
button[disabled],html input[disabled]{cursor:default}
input[type="checkbox"],input[type="radio"]{box-sizing:border-box;padding:0}
button::-moz-focus-inner,input::-moz-focus-inner{border:0;padding:0}
textarea{overflow:auto;vertical-align:top}
table{border-collapse:collapse;border-spacing:0}
*,*::before,*::after{-moz-box-sizing:border-box;-webkit-box-sizing:border-box;box-sizing:border-box}
html,body{font-size:100%}
body{background:#fff;color:rgba(0,0,0,.8);padding:0;margin:0;font-family:"Noto Serif","DejaVu Serif",serif;font-weight:400;font-style:normal;line-height:1;position:relative;cursor:auto;tab-size:4;word-wrap:anywhere;-moz-osx-font-smoothing:grayscale;-webkit-font-smoothing:antialiased}
a:hover{cursor:pointer}
img,object,embed{max-width:100%;height:auto}
object,embed{height:100%}
img{-ms-interpolation-mode:bicubic}
.left{float:left!important}
.right{float:right!important}
.text-left{text-align:left!important}
.text-right{text-align:right!important}
.text-center{text-align:center!important}
.text-justify{text-align:justify!important}
.hide{display:none}
img,object,svg{display:inline-block;vertical-align:middle}
textarea{height:auto;min-height:50px}
select{width:100%}
.subheader,.admonitionblock td.content>.title,.audioblock>.title,.exampleblock>.title,.imageblock>.title,.listingblock>.title,.literalblock>.title,.stemblock>.title,.openblock>.title,.paragraph>.title,.quoteblock>.title,table.tableblock>.title,.verseblock>.title,.videoblock>.title,.dlist>.title,.olist>.title,.ulist>.title,.qlist>.title,.hdlist>.title{line-height:1.45;color:#7a2518;font-weight:400;margin-top:0;margin-bottom:.25em}
div,dl,dt,dd,ul,ol,li,h1,h2,h3,#toctitle,.sidebarblock>.content>.title,h4,h5,h6,pre,form,p,blockquote,th,td{margin:0;padding:0}
a{color:#2156a5;text-decoration:underline;line-height:inherit}
a:hover,a:focus{color:#1d4b8f}
a img{border:0}
p{font-family:inherit;font-weight:400;font-size:1em;line-height:1.6;margin-bottom:1.25em;text-rendering:optimizeLegibility}
p aside{font-size:.875em;line-height:1.35;font-style:italic}
h1,h2,h3,#toctitle,.sidebarblock>.content>.title,h4,h5,h6{font-family:"Open Sans","DejaVu Sans",sans-serif;font-weight:300;font-style:normal;color:#ba3925;text-rendering:optimizeLegibility;margin-top:1em;margin-bottom:.5em;line-height:1.0125em}
h1 small,h2 small,h3 small,#toctitle small,.sidebarblock>.content>.title small,h4 small,h5 small,h6 small{font-size:60%;color:#e99b8f;line-height:0}
h1{font-size:2.125em}
h2{font-size:1.6875em}
h3,#toctitle,.sidebarblock>.content>.title{font-size:1.375em}
h4,h5{font-size:1.125em}
h6{font-size:1em}
hr{border:solid #dddddf;border-width:1px 0 0;clear:both;margin:1.25em 0 1.1875em;height:0}
em,i{font-style:italic;line-height:inherit}
strong,b{font-weight:bold;line-height:inherit}
small{font-size:60%;line-height:inherit}
code{font-family:"Droid Sans Mono","DejaVu Sans Mono",monospace;font-weight:400;color:rgba(0,0,0,.9)}
ul,ol,dl{font-size:1em;line-height:1.6;margin-bottom:1.25em;list-style-position:outside;font-family:inherit}
ul,ol{margin-left:1.5em}
ul li ul,ul li ol{margin-left:1.25em;margin-bottom:0;font-size:1em}
ul.square li ul,ul.circle li ul,ul.disc li ul{list-style:inherit}
ul.square{list-style-type:square}
ul.circle{list-style-type:circle}
ul.disc{list-style-type:disc}
ol li ul,ol li ol{margin-left:1.25em;margin-bottom:0}
dl dt{margin-bottom:.3125em;font-weight:bold}
dl dd{margin-bottom:1.25em}
abbr,acronym{text-transform:uppercase;font-size:90%;color:rgba(0,0,0,.8);border-bottom:1px dotted #ddd;cursor:help}
abbr{text-transform:none}
blockquote{margin:0 0 1.25em;padding:.5625em 1.25em 0 1.1875em;border-left:1px solid #ddd}
blockquote cite{display:block;font-size:.9375em;color:rgba(0,0,0,.6)}
blockquote cite::before{content:"\2014 \0020"}
blockquote cite a,blockquote cite a:visited{color:rgba(0,0,0,.6)}
blockquote,blockquote p{line-height:1.6;color:rgba(0,0,0,.85)}
@media screen and (min-width:768px){h1,h2,h3,#toctitle,.sidebarblock>.content>.title,h4,h5,h6{line-height:1.2}
h1{font-size:2.75em}
h2{font-size:2.3125em}
h3,#toctitle,.sidebarblock>.content>.title{font-size:1.6875em}
h4{font-size:1.4375em}}
table{background:#fff;margin-bottom:1.25em;border:solid 1px #dedede;word-wrap:normal}
table thead,table tfoot{background:#f7f8f7}
table thead tr th,table thead tr td,table tfoot tr th,table tfoot tr td{padding:.5em .625em .625em;font-size:inherit;color:rgba(0,0,0,.8);text-align:left}
table tr th,table tr td{padding:.5625em .625em;font-size:inherit;color:rgba(0,0,0,.8)}
table tr.even,table tr.alt{background:#f8f8f7}
table thead tr th,table tfoot tr th,table tbody tr td,table tr td,table tfoot tr td{line-height:1.6}
h1,h2,h3,#toctitle,.sidebarblock>.content>.title,h4,h5,h6{line-height:1.2;word-spacing:-.05em}
h1 strong,h2 strong,h3 strong,#toctitle strong,.sidebarblock>.content>.title strong,h4 strong,h5 strong,h6 strong{font-weight:400}
.center{margin-left:auto;margin-right:auto}
.stretch{width:100%}
.clearfix::before,.clearfix::after,.float-group::before,.float-group::after{content:" ";display:table}
.clearfix::after,.float-group::after{clear:both}
:not(pre).nobreak{word-wrap:normal}
:not(pre).nowrap{white-space:nowrap}
:not(pre).pre-wrap{white-space:pre-wrap}
:not(pre):not([class^=L])>code{font-size:.9375em;font-style:normal!important;letter-spacing:0;padding:.1em .5ex;word-spacing:-.15em;background:#f7f7f8;-webkit-border-radius:4px;border-radius:4px;line-height:1.45;text-rendering:optimizeSpeed}
pre{color:rgba(0,0,0,.9);font-family:"Droid Sans Mono","DejaVu Sans Mono",monospace;line-height:1.45;text-rendering:optimizeSpeed}
pre code,pre pre{color:inherit;font-size:inherit;line-height:inherit}
pre>code{display:block}
pre.nowrap,pre.nowrap pre{white-space:pre;word-wrap:normal}
em em{font-style:normal}
strong strong{font-weight:400}
.keyseq{color:rgba(51,51,51,.8)}
kbd{font-family:"Droid Sans Mono","DejaVu Sans Mono",monospace;display:inline-block;color:rgba(0,0,0,.8);font-size:.65em;line-height:1.45;background:#f7f7f7;border:1px solid #ccc;-webkit-border-radius:3px;border-radius:3px;-webkit-box-shadow:0 1px 0 rgba(0,0,0,.2),0 0 0 .1em white inset;box-shadow:0 1px 0 rgba(0,0,0,.2),0 0 0 .1em #fff inset;margin:0 .15em;padding:.2em .5em;vertical-align:middle;position:relative;top:-.1em;white-space:nowrap}
.keyseq kbd:first-child{margin-left:0}
.keyseq kbd:last-child{margin-right:0}
.menuseq,.menuref{color:#000}
.menuseq b:not(.caret),.menuref{font-weight:inherit}
.menuseq{word-spacing:-.02em}
.menuseq b.caret{font-size:1.25em;line-height:.8}
.menuseq i.caret{font-weight:bold;text-align:center;width:.45em}
b.button::before,b.button::after{position:relative;top:-1px;font-weight:400}
b.button::before{content:"[";padding:0 3px 0 2px}
b.button::after{content:"]";padding:0 2px 0 3px}
p a>code:hover{color:rgba(0,0,0,.9)}
#header,#content,#footnotes,#footer{width:100%;margin-left:auto;margin-right:auto;margin-top:0;margin-bottom:0;max-width:62.5em;*zoom:1;position:relative;padding-left:.9375em;padding-right:.9375em}
#header::before,#header::after,#content::before,#content::after,#footnotes::before,#footnotes::after,#footer::before,#footer::after{content:" ";display:table}
#header::after,#content::after,#footnotes::after,#footer::after{clear:both}
#content{margin-top:1.25em}
#content::before{content:none}
#header>h1:first-child{color:rgba(0,0,0,.85);margin-top:2.25rem;margin-bottom:0}
#header>h1:first-child+#toc{margin-top:8px;border-top:1px solid #dddddf}
#header>h1:only-child,body.toc2 #header>h1:nth-last-child(2){border-bottom:1px solid #dddddf;padding-bottom:8px}
#header .details{border-bottom:1px solid #dddddf;line-height:1.45;padding-top:.25em;padding-bottom:.25em;padding-left:.25em;color:rgba(0,0,0,.6);display:-ms-flexbox;display:-webkit-flex;display:flex;-ms-flex-flow:row wrap;-webkit-flex-flow:row wrap;flex-flow:row wrap}
#header .details span:first-child{margin-left:-.125em}
#header .details span.email a{color:rgba(0,0,0,.85)}
#header .details br{display:none}
#header .details br+span::before{content:"\00a0\2013\00a0"}
#header .details br+span.author::before{content:"\00a0\22c5\00a0";color:rgba(0,0,0,.85)}
#header .details br+span#revremark::before{content:"\00a0|\00a0"}
#header #revnumber{text-transform:capitalize}
#header #revnumber::after{content:"\00a0"}
#content>h1:first-child:not([class]){color:rgba(0,0,0,.85);border-bottom:1px solid #dddddf;padding-bottom:8px;margin-top:0;padding-top:1rem;margin-bottom:1.25rem}
#toc{border-bottom:1px solid #e7e7e9;padding-bottom:.5em}
#toc>ul{margin-left:.125em}
#toc ul.sectlevel0>li>a{font-style:italic}
#toc ul.sectlevel0 ul.sectlevel1{margin:.5em 0}
#toc ul{font-family:"Open Sans","DejaVu Sans",sans-serif;list-style-type:none}
#toc li{line-height:1.3334;margin-top:.3334em}
#toc a{text-decoration:none}
#toc a:active{text-decoration:underline}
#toctitle{color:#7a2518;font-size:1.2em}
@media screen and (min-width:768px){#toctitle{font-size:1.375em}
body.toc2{padding-left:15em;padding-right:0}
#toc.toc2{margin-top:0!important;background:#f8f8f7;position:fixed;width:15em;left:0;top:0;border-right:1px solid #e7e7e9;border-top-width:0!important;border-bottom-width:0!important;z-index:1000;padding:1.25em 1em;height:100%;overflow:auto}
#toc.toc2 #toctitle{margin-top:0;margin-bottom:.8rem;font-size:1.2em}
#toc.toc2>ul{font-size:.9em;margin-bottom:0}
#toc.toc2 ul ul{margin-left:0;padding-left:1em}
#toc.toc2 ul.sectlevel0 ul.sectlevel1{padding-left:0;margin-top:.5em;margin-bottom:.5em}
body.toc2.toc-right{padding-left:0;padding-right:15em}
body.toc2.toc-right #toc.toc2{border-right-width:0;border-left:1px solid #e7e7e9;left:auto;right:0}}
@media screen and (min-width:1280px){body.toc2{padding-left:20em;padding-right:0}
#toc.toc2{width:20em}
#toc.toc2 #toctitle{font-size:1.375em}
#toc.toc2>ul{font-size:.95em}
#toc.toc2 ul ul{padding-left:1.25em}
body.toc2.toc-right{padding-left:0;padding-right:20em}}
#content #toc{border-style:solid;border-width:1px;border-color:#e0e0dc;margin-bottom:1.25em;padding:1.25em;background:#f8f8f7;-webkit-border-radius:4px;border-radius:4px}
#content #toc>:first-child{margin-top:0}
#content #toc>:last-child{margin-bottom:0}
#footer{max-width:none;background:rgba(0,0,0,.8);padding:1.25em}
#footer-text{color:rgba(255,255,255,.8);line-height:1.44}
#content{margin-bottom:.625em}
.sect1{padding-bottom:.625em}
@media screen and (min-width:768px){#content{margin-bottom:1.25em}
.sect1{padding-bottom:1.25em}}
.sect1:last-child{padding-bottom:0}
.sect1+.sect1{border-top:1px solid #e7e7e9}
#content h1>a.anchor,h2>a.anchor,h3>a.anchor,#toctitle>a.anchor,.sidebarblock>.content>.title>a.anchor,h4>a.anchor,h5>a.anchor,h6>a.anchor{position:absolute;z-index:1001;width:1.5ex;margin-left:-1.5ex;display:block;text-decoration:none!important;visibility:hidden;text-align:center;font-weight:400}
#content h1>a.anchor::before,h2>a.anchor::before,h3>a.anchor::before,#toctitle>a.anchor::before,.sidebarblock>.content>.title>a.anchor::before,h4>a.anchor::before,h5>a.anchor::before,h6>a.anchor::before{content:"\00A7";font-size:.85em;display:block;padding-top:.1em}
#content h1:hover>a.anchor,#content h1>a.anchor:hover,h2:hover>a.anchor,h2>a.anchor:hover,h3:hover>a.anchor,#toctitle:hover>a.anchor,.sidebarblock>.content>.title:hover>a.anchor,h3>a.anchor:hover,#toctitle>a.anchor:hover,.sidebarblock>.content>.title>a.anchor:hover,h4:hover>a.anchor,h4>a.anchor:hover,h5:hover>a.anchor,h5>a.anchor:hover,h6:hover>a.anchor,h6>a.anchor:hover{visibility:visible}
#content h1>a.link,h2>a.link,h3>a.link,#toctitle>a.link,.sidebarblock>.content>.title>a.link,h4>a.link,h5>a.link,h6>a.link{color:#ba3925;text-decoration:none}
#content h1>a.link:hover,h2>a.link:hover,h3>a.link:hover,#toctitle>a.link:hover,.sidebarblock>.content>.title>a.link:hover,h4>a.link:hover,h5>a.link:hover,h6>a.link:hover{color:#a53221}
details,.audioblock,.imageblock,.literalblock,.listingblock,.stemblock,.videoblock{margin-bottom:1.25em}
details>summary:first-of-type{cursor:pointer;display:list-item;outline:none;margin-bottom:.75em}
.admonitionblock td.content>.title,.audioblock>.title,.exampleblock>.title,.imageblock>.title,.listingblock>.title,.literalblock>.title,.stemblock>.title,.openblock>.title,.paragraph>.title,.quoteblock>.title,table.tableblock>.title,.verseblock>.title,.videoblock>.title,.dlist>.title,.olist>.title,.ulist>.title,.qlist>.title,.hdlist>.title{text-rendering:optimizeLegibility;text-align:left;font-family:"Noto Serif","DejaVu Serif",serif;font-size:1rem;font-style:italic}
table.tableblock.fit-content>caption.title{white-space:nowrap;width:0}
.paragraph.lead>p,#preamble>.sectionbody>[class="paragraph"]:first-of-type p{font-size:1.21875em;line-height:1.6;color:rgba(0,0,0,.85)}
table.tableblock #preamble>.sectionbody>[class="paragraph"]:first-of-type p{font-size:inherit}
.admonitionblock>table{border-collapse:separate;border:0;background:none;width:100%}
.admonitionblock>table td.icon{text-align:center;width:80px}
.admonitionblock>table td.icon img{max-width:none}
.admonitionblock>table td.icon .title{font-weight:bold;font-family:"Open Sans","DejaVu Sans",sans-serif;text-transform:uppercase}
.admonitionblock>table td.content{padding-left:1.125em;padding-right:1.25em;border-left:1px solid #dddddf;color:rgba(0,0,0,.6);word-wrap:anywhere}
.admonitionblock>table td.content>:last-child>:last-child{margin-bottom:0}
.exampleblock>.content{border-style:solid;border-width:1px;border-color:#e6e6e6;margin-bottom:1.25em;padding:1.25em;background:#fff;-webkit-border-radius:4px;border-radius:4px}
.exampleblock>.content>:first-child{margin-top:0}
.exampleblock>.content>:last-child{margin-bottom:0}
.sidebarblock{border-style:solid;border-width:1px;border-color:#dbdbd6;margin-bottom:1.25em;padding:1.25em;background:#f3f3f2;-webkit-border-radius:4px;border-radius:4px}
.sidebarblock>:first-child{margin-top:0}
.sidebarblock>:last-child{margin-bottom:0}
.sidebarblock>.content>.title{color:#7a2518;margin-top:0;text-align:center}
.exampleblock>.content>:last-child>:last-child,.exampleblock>.content .olist>ol>li:last-child>:last-child,.exampleblock>.content .ulist>ul>li:last-child>:last-child,.exampleblock>.content .qlist>ol>li:last-child>:last-child,.sidebarblock>.content>:last-child>:last-child,.sidebarblock>.content .olist>ol>li:last-child>:last-child,.sidebarblock>.content .ulist>ul>li:last-child>:last-child,.sidebarblock>.content .qlist>ol>li:last-child>:last-child{margin-bottom:0}
.literalblock pre,.listingblock>.content>pre{-webkit-border-radius:4px;border-radius:4px;overflow-x:auto;padding:1em;font-size:.8125em}
@media screen and (min-width:768px){.literalblock pre,.listingblock>.content>pre{font-size:.90625em}}
@media screen and (min-width:1280px){.literalblock pre,.listingblock>.content>pre{font-size:1em}}
.literalblock pre,.listingblock>.content>pre:not(.highlight),.listingblock>.content>pre[class="highlight"],.listingblock>.content>pre[class^="highlight "]{background:#f7f7f8}
.literalblock.output pre{color:#f7f7f8;background:rgba(0,0,0,.9)}
.listingblock>.content{position:relative}
.listingblock code[data-lang]::before{display:none;content:attr(data-lang);position:absolute;font-size:.75em;top:.425rem;right:.5rem;line-height:1;text-transform:uppercase;color:inherit;opacity:.5}
.listingblock:hover code[data-lang]::before{display:block}
.listingblock.terminal pre .command::before{content:attr(data-prompt);padding-right:.5em;color:inherit;opacity:.5}
.listingblock.terminal pre .command:not([data-prompt])::before{content:"$"}
.listingblock pre.highlightjs{padding:0}
.listingblock pre.highlightjs>code{padding:1em;-webkit-border-radius:4px;border-radius:4px}
.listingblock pre.prettyprint{border-width:0}
.prettyprint{background:#f7f7f8}
pre.prettyprint .linenums{line-height:1.45;margin-left:2em}
pre.prettyprint li{background:none;list-style-type:inherit;padding-left:0}
pre.prettyprint li code[data-lang]::before{opacity:1}
pre.prettyprint li:not(:first-child) code[data-lang]::before{display:none}
table.linenotable{border-collapse:separate;border:0;margin-bottom:0;background:none}
table.linenotable td[class]{color:inherit;vertical-align:top;padding:0;line-height:inherit;white-space:normal}
table.linenotable td.code{padding-left:.75em}
table.linenotable td.linenos{border-right:1px solid currentColor;opacity:.35;padding-right:.5em}
pre.pygments .lineno{border-right:1px solid currentColor;opacity:.35;display:inline-block;margin-right:.75em}
pre.pygments .lineno::before{content:"";margin-right:-.125em}
.quoteblock{margin:0 1em 1.25em 1.5em;display:table}
.quoteblock:not(.excerpt)>.title{margin-left:-1.5em;margin-bottom:.75em}
.quoteblock blockquote,.quoteblock p{color:rgba(0,0,0,.85);font-size:1.15rem;line-height:1.75;word-spacing:.1em;letter-spacing:0;font-style:italic;text-align:justify}
.quoteblock blockquote{margin:0;padding:0;border:0}
.quoteblock blockquote::before{content:"\201c";float:left;font-size:2.75em;font-weight:bold;line-height:.6em;margin-left:-.6em;color:#7a2518;text-shadow:0 1px 2px rgba(0,0,0,.1)}
.quoteblock blockquote>.paragraph:last-child p{margin-bottom:0}
.quoteblock .attribution{margin-top:.75em;margin-right:.5ex;text-align:right}
.verseblock{margin:0 1em 1.25em}
.verseblock pre{font-family:"Open Sans","DejaVu Sans",sans;font-size:1.15rem;color:rgba(0,0,0,.85);font-weight:300;text-rendering:optimizeLegibility}
.verseblock pre strong{font-weight:400}
.verseblock .attribution{margin-top:1.25rem;margin-left:.5ex}
.quoteblock .attribution,.verseblock .attribution{font-size:.9375em;line-height:1.45;font-style:italic}
.quoteblock .attribution br,.verseblock .attribution br{display:none}
.quoteblock .attribution cite,.verseblock .attribution cite{display:block;letter-spacing:-.025em;color:rgba(0,0,0,.6)}
.quoteblock.abstract blockquote::before,.quoteblock.excerpt blockquote::before,.quoteblock .quoteblock blockquote::before{display:none}
.quoteblock.abstract blockquote,.quoteblock.abstract p,.quoteblock.excerpt blockquote,.quoteblock.excerpt p,.quoteblock .quoteblock blockquote,.quoteblock .quoteblock p{line-height:1.6;word-spacing:0}
.quoteblock.abstract{margin:0 1em 1.25em;display:block}
.quoteblock.abstract>.title{margin:0 0 .375em;font-size:1.15em;text-align:center}
.quoteblock.excerpt>blockquote,.quoteblock .quoteblock{padding:0 0 .25em 1em;border-left:.25em solid #dddddf}
.quoteblock.excerpt,.quoteblock .quoteblock{margin-left:0}
.quoteblock.excerpt blockquote,.quoteblock.excerpt p,.quoteblock .quoteblock blockquote,.quoteblock .quoteblock p{color:inherit;font-size:1.0625rem}
.quoteblock.excerpt .attribution,.quoteblock .quoteblock .attribution{color:inherit;text-align:left;margin-right:0}
p.tableblock:last-child{margin-bottom:0}
td.tableblock>.content{margin-bottom:1.25em;word-wrap:anywhere}
td.tableblock>.content>:last-child{margin-bottom:-1.25em}
table.tableblock,th.tableblock,td.tableblock{border:0 solid #dedede}
table.grid-all>*>tr>*{border-width:1px}
table.grid-cols>*>tr>*{border-width:0 1px}
table.grid-rows>*>tr>*{border-width:1px 0}
table.frame-all{border-width:1px}
table.frame-ends{border-width:1px 0}
table.frame-sides{border-width:0 1px}
table.frame-none>colgroup+*>:first-child>*,table.frame-sides>colgroup+*>:first-child>*{border-top-width:0}
table.frame-none>:last-child>:last-child>*,table.frame-sides>:last-child>:last-child>*{border-bottom-width:0}
table.frame-none>*>tr>:first-child,table.frame-ends>*>tr>:first-child{border-left-width:0}
table.frame-none>*>tr>:last-child,table.frame-ends>*>tr>:last-child{border-right-width:0}
table.stripes-all tr,table.stripes-odd tr:nth-of-type(odd),table.stripes-even tr:nth-of-type(even),table.stripes-hover tr:hover{background:#f8f8f7}
th.halign-left,td.halign-left{text-align:left}
th.halign-right,td.halign-right{text-align:right}
th.halign-center,td.halign-center{text-align:center}
th.valign-top,td.valign-top{vertical-align:top}
th.valign-bottom,td.valign-bottom{vertical-align:bottom}
th.valign-middle,td.valign-middle{vertical-align:middle}
table thead th,table tfoot th{font-weight:bold}
tbody tr th{background:#f7f8f7}
tbody tr th,tbody tr th p,tfoot tr th,tfoot tr th p{color:rgba(0,0,0,.8);font-weight:bold}
p.tableblock>code:only-child{background:none;padding:0}
p.tableblock{font-size:1em}
ol{margin-left:1.75em}
ul li ol{margin-left:1.5em}
dl dd{margin-left:1.125em}
dl dd:last-child,dl dd:last-child>:last-child{margin-bottom:0}
ol>li p,ul>li p,ul dd,ol dd,.olist .olist,.ulist .ulist,.ulist .olist,.olist .ulist{margin-bottom:.625em}
ul.checklist,ul.none,ol.none,ul.no-bullet,ol.no-bullet,ol.unnumbered,ul.unstyled,ol.unstyled{list-style-type:none}
ul.no-bullet,ol.no-bullet,ol.unnumbered{margin-left:.625em}
ul.unstyled,ol.unstyled{margin-left:0}
ul.checklist{margin-left:.625em}
ul.checklist li>p:first-child>.fa-square-o:first-child,ul.checklist li>p:first-child>.fa-check-square-o:first-child{width:1.25em;font-size:.8em;position:relative;bottom:.125em}
ul.checklist li>p:first-child>input[type="checkbox"]:first-child{margin-right:.25em}
ul.inline{display:-ms-flexbox;display:-webkit-box;display:flex;-ms-flex-flow:row wrap;-webkit-flex-flow:row wrap;flex-flow:row wrap;list-style:none;margin:0 0 .625em -1.25em}
ul.inline>li{margin-left:1.25em}
.unstyled dl dt{font-weight:400;font-style:normal}
ol.arabic{list-style-type:decimal}
ol.decimal{list-style-type:decimal-leading-zero}
ol.loweralpha{list-style-type:lower-alpha}
ol.upperalpha{list-style-type:upper-alpha}
ol.lowerroman{list-style-type:lower-roman}
ol.upperroman{list-style-type:upper-roman}
ol.lowergreek{list-style-type:lower-greek}
.hdlist>table,.colist>table{border:0;background:none}
.hdlist>table>tbody>tr,.colist>table>tbody>tr{background:none}
td.hdlist1,td.hdlist2{vertical-align:top;padding:0 .625em}
td.hdlist1{font-weight:bold;padding-bottom:1.25em}
td.hdlist2{word-wrap:anywhere}
.literalblock+.colist,.listingblock+.colist{margin-top:-.5em}
.colist td:not([class]):first-child{padding:.4em .75em 0;line-height:1;vertical-align:top}
.colist td:not([class]):first-child img{max-width:none}
.colist td:not([class]):last-child{padding:.25em 0}
.thumb,.th{line-height:0;display:inline-block;border:solid 4px #fff;-webkit-box-shadow:0 0 0 1px #ddd;box-shadow:0 0 0 1px #ddd}
.imageblock.left{margin:.25em .625em 1.25em 0}
.imageblock.right{margin:.25em 0 1.25em .625em}
.imageblock>.title{margin-bottom:0}
.imageblock.thumb,.imageblock.th{border-width:6px}
.imageblock.thumb>.title,.imageblock.th>.title{padding:0 .125em}
.image.left,.image.right{margin-top:.25em;margin-bottom:.25em;display:inline-block;line-height:0}
.image.left{margin-right:.625em}
.image.right{margin-left:.625em}
a.image{text-decoration:none;display:inline-block}
a.image object{pointer-events:none}
sup.footnote,sup.footnoteref{font-size:.875em;position:static;vertical-align:super}
sup.footnote a,sup.footnoteref a{text-decoration:none}
sup.footnote a:active,sup.footnoteref a:active{text-decoration:underline}
#footnotes{padding-top:.75em;padding-bottom:.75em;margin-bottom:.625em}
#footnotes hr{width:20%;min-width:6.25em;margin:-.25em 0 .75em;border-width:1px 0 0}
#footnotes .footnote{padding:0 .375em 0 .225em;line-height:1.3334;font-size:.875em;margin-left:1.2em;margin-bottom:.2em}
#footnotes .footnote a:first-of-type{font-weight:bold;text-decoration:none;margin-left:-1.05em}
#footnotes .footnote:last-of-type{margin-bottom:0}
#content #footnotes{margin-top:-.625em;margin-bottom:0;padding:.75em 0}
.gist .file-data>table{border:0;background:#fff;width:100%;margin-bottom:0}
.gist .file-data>table td.line-data{width:99%}
div.unbreakable{page-break-inside:avoid}
.big{font-size:larger}
.small{font-size:smaller}
.underline{text-decoration:underline}
.overline{text-decoration:overline}
.line-through{text-decoration:line-through}
.aqua{color:#00bfbf}
.aqua-background{background:#00fafa}
.black{color:#000}
.black-background{background:#000}
.blue{color:#0000bf}
.blue-background{background:#0000fa}
.fuchsia{color:#bf00bf}
.fuchsia-background{background:#fa00fa}
.gray{color:#606060}
.gray-background{background:#7d7d7d}
.green{color:#006000}
.green-background{background:#007d00}
.lime{color:#00bf00}
.lime-background{background:#00fa00}
.maroon{color:#600000}
.maroon-background{background:#7d0000}
.navy{color:#000060}
.navy-background{background:#00007d}
.olive{color:#606000}
.olive-background{background:#7d7d00}
.purple{color:#600060}
.purple-background{background:#7d007d}
.red{color:#bf0000}
.red-background{background:#fa0000}
.silver{color:#909090}
.silver-background{background:#bcbcbc}
.teal{color:#006060}
.teal-background{background:#007d7d}
.white{color:#bfbfbf}
.white-background{background:#fafafa}
.yellow{color:#bfbf00}
.yellow-background{background:#fafa00}
span.icon>.fa{cursor:default}
a span.icon>.fa{cursor:inherit}
.admonitionblock td.icon [class^="fa icon-"]{font-size:2.5em;text-shadow:1px 1px 2px rgba(0,0,0,.5);cursor:default}
.admonitionblock td.icon .icon-note::before{content:"\f05a";color:#19407c}
.admonitionblock td.icon .icon-tip::before{content:"\f0eb";text-shadow:1px 1px 2px rgba(155,155,0,.8);color:#111}
.admonitionblock td.icon .icon-warning::before{content:"\f071";color:#bf6900}
.admonitionblock td.icon .icon-caution::before{content:"\f06d";color:#bf3400}
.admonitionblock td.icon .icon-important::before{content:"\f06a";color:#bf0000}
.conum[data-value]{display:inline-block;color:#fff!important;background:rgba(0,0,0,.8);-webkit-border-radius:50%;border-radius:50%;text-align:center;font-size:.75em;width:1.67em;height:1.67em;line-height:1.67em;font-family:"Open Sans","DejaVu Sans",sans-serif;font-style:normal;font-weight:bold}
.conum[data-value] *{color:#fff!important}
.conum[data-value]+b{display:none}
.conum[data-value]::after{content:attr(data-value)}
pre .conum[data-value]{position:relative;top:-.125em}
b.conum *{color:inherit!important}
.conum:not([data-value]):empty{display:none}
dt,th.tableblock,td.content,div.footnote{text-rendering:optimizeLegibility}
h1,h2,p,td.content,span.alt{letter-spacing:-.01em}
p strong,td.content strong,div.footnote strong{letter-spacing:-.005em}
p,blockquote,dt,td.content,span.alt{font-size:1.0625rem}
p{margin-bottom:1.25rem}
.sidebarblock p,.sidebarblock dt,.sidebarblock td.content,p.tableblock{font-size:1em}
.exampleblock>.content{background:#fffef7;border-color:#e0e0dc;-webkit-box-shadow:0 1px 4px #e0e0dc;box-shadow:0 1px 4px #e0e0dc}
.print-only{display:none!important}
@page{margin:1.25cm .75cm}
@media print{*{-webkit-box-shadow:none!important;box-shadow:none!important;text-shadow:none!important}
html{font-size:80%}
a{color:inherit!important;text-decoration:underline!important}
a.bare,a[href^="#"],a[href^="mailto:"]{text-decoration:none!important}
a[href^="http:"]:not(.bare)::after,a[href^="https:"]:not(.bare)::after{content:"(" attr(href) ")";display:inline-block;font-size:.875em;padding-left:.25em}
abbr[title]::after{content:" (" attr(title) ")"}
pre,blockquote,tr,img,object,svg{page-break-inside:avoid}
thead{display:table-header-group}
svg{max-width:100%}
p,blockquote,dt,td.content{font-size:1em;orphans:3;widows:3}
h2,h3,#toctitle,.sidebarblock>.content>.title{page-break-after:avoid}
#header,#content,#footnotes,#footer{max-width:none}
#toc,.sidebarblock,.exampleblock>.content{background:none!important}
#toc{border-bottom:1px solid #dddddf!important;padding-bottom:0!important}
body.book #header{text-align:center}
body.book #header>h1:first-child{border:0!important;margin:2.5em 0 1em}
body.book #header .details{border:0!important;display:block;padding:0!important}
body.book #header .details span:first-child{margin-left:0!important}
body.book #header .details br{display:block}
body.book #header .details br+span::before{content:none!important}
body.book #toc{border:0!important;text-align:left!important;padding:0!important;margin:0!important}
body.book #toc,body.book #preamble,body.book h1.sect0,body.book .sect1>h2{page-break-before:always}
.listingblock code[data-lang]::before{display:block}
#footer{padding:0 .9375em}
.hide-on-print{display:none!important}
.print-only{display:block!important}
.hide-for-print{display:none!important}
.show-for-print{display:inherit!important}}
@media print,amzn-kf8{#header>h1:first-child{margin-top:1.25rem}
.sect1{padding:0!important}
.sect1+.sect1{border:0}
#footer{background:none}
#footer-text{color:rgba(0,0,0,.6);font-size:.9em}}
@media amzn-kf8{#header,#content,#footnotes,#footer{padding:0}}
</style>
</head>
<body class="article">
<div id="header">
<h1><span class="image"><img src="../logo.svg" alt="logo"></span> Spring Boot Starter for gRPC</h1>
<div class="details">
<span id="author" class="author">Sun Qian</span><br>
<span id="email" class="email"><a href="mailto:fredsuvn@163.com">fredsuvn@163.com</a></span><br>
</div>
<div id="toc" class="toc">
<div id="toctitle">目录</div>
<ul class="sectlevel1">
<li><a href="#_简介">简介</a></li>
<li><a href="#_特性">特性</a></li>
<li><a href="#_获取">获取</a>
<ul class="sectlevel2">
<li><a href="#_gradle">Gradle</a></li>
<li><a href="#_maven">Maven</a></li>
<li><a href="#_源代码">源代码</a></li>
</ul>
</li>
<li><a href="#_样例">样例</a></li>
<li><a href="#_使用">使用</a>
<ul class="sectlevel2">
<li><a href="#_server">Server</a>
<ul class="sectlevel3">
<li><a href="#_创建一个服务">创建一个服务</a></li>
<li><a href="#_多server服务">多Server服务</a></li>
<li><a href="#_grpcservice">@GrpcService</a></li>
<li><a href="#_grpcserverinterceptor">@GrpcServerInterceptor</a></li>
<li><a href="#_abstractserverinterceptor_and_simpleserverinterceptor">AbstractServerInterceptor and SimpleServerInterceptor</a></li>
<li><a href="#_metadataserverinterceptor">MetadataServerInterceptor</a></li>
<li><a href="#_defaultgrpcserverconfigurer_and_defaultgrpcserverconfigurehelper">DefaultGrpcServerConfigurer and DefaultGrpcServerConfigureHelper</a></li>
<li><a href="#_grpcserverfactory_and_defaultgrpcserverfactory">GrpcServerFactory and DefaultGrpcServerFactory</a></li>
<li><a href="#_grpcserversfactory_and_defaultgrpcserversfactory">GrpcServersFactory and DefaultGrpcServersFactory</a></li>
<li><a href="#_server配置属性表">Server配置属性表</a></li>
</ul>
</li>
<li><a href="#_client">Client</a>
<ul class="sectlevel3">
<li><a href="#_创建一个客户端">创建一个客户端</a></li>
<li><a href="#_多客户端">多客户端:</a></li>
<li><a href="#_负载均衡">负载均衡</a></li>
<li><a href="#_clientinterceptor">ClientInterceptor</a></li>
<li><a href="#_clientinterceptor_2">@ClientInterceptor</a></li>
<li><a href="#_abstractclientinterceptor_and_simpleclientinterceptor">AbstractClientInterceptor and SimpleClientInterceptor</a></li>
<li><a href="#_defaultgrpcchannelconfigurer_and_defaultgrpcchannelconfigurehelper">DefaultGrpcChannelConfigurer and DefaultGrpcChannelConfigureHelper</a></li>
<li><a href="#_grpcchannelfactory_defaultgrpcchannelfactory_grpcstubfactory_and_defaultgrpcstubfactory">GrpcChannelFactory, DefaultGrpcChannelFactory, GrpcStubFactory and DefaultGrpcStubFactory</a></li>
<li><a href="#_grpctargetresolver_and_defaultgrpctargetresolver">GrpcTargetResolver and DefaultGrpcTargetResolver</a></li>
<li><a href="#_client配置属性表">Client配置属性表</a></li>
</ul>
</li>
<li><a href="#_web">Web</a></li>
</ul>
</li>
</ul>
</div>
</div>
<div id="content">
<div class="sect1">
<h2 id="_简介">简介</h2>
<div class="sectionbody">
<div class="paragraph">
<p>一个简洁, 清晰, 易扩展和高度可定制的 gRPC spring-boot 风格的 spring-boot starter.</p>
</div>
<div class="paragraph">
<p>它需要 <code>Spring Boot 2+</code> and <code>JDK1.8+</code>.</p>
</div>
</div>
</div>
<div class="sect1">
<h2 id="_特性">特性</h2>
<div class="sectionbody">
<div class="ulist">
<ul>
<li>
<p>简单使用 <code>@GrpcService</code>, <code>@GrpcServerInterceptor</code> 和spring注解如 <code>@Component</code> 来注册gRPC service和server interceptors;</p>
</li>
<li>
<p>简单使用 <code>@GrpcClient</code>, <code>@GrpcClientInterceptor</code> 和spring注解如 <code>@Component</code> 来注册gRPC stub, channel以及client interceptors;</p>
</li>
<li>
<p>支持多server服务;</p>
</li>
<li>
<p>提供简单的方式进行客户端负载均衡;</p>
</li>
<li>
<p>细粒度的servers/clients以及它们的interceptors的控制.</p>
</li>
</ul>
</div>
</div>
</div>
<div class="sect1">
<h2 id="_获取">获取</h2>
<div class="sectionbody">
<div class="sect2">
<h3 id="_gradle">Gradle</h3>
<div class="listingblock">
<div class="title">Get grpc-spring-boot:</div>
<div class="content">
<pre class="highlight"><code class="language-groovy" data-lang="groovy">implementation("xyz.srclab.grpc.spring.boot:grpc-spring-boot-starter-server:0.0.1")
implementation("xyz.srclab.grpc.spring.boot:grpc-spring-boot-starter-client:0.0.1")
implementation("xyz.srclab.grpc.spring.boot:grpc-spring-boot-starter-web:0.0.1")</code></pre>
</div>
</div>
<div class="listingblock">
<div class="title">Use bom:</div>
<div class="content">
<pre class="highlight"><code class="language-groovy" data-lang="groovy">api platform("xyz.srclab.grpc.spring.boot:grpc-spring-boot-starter-bom:0.0.1")</code></pre>
</div>
</div>
</div>
<div class="sect2">
<h3 id="_maven">Maven</h3>
<div class="listingblock">
<div class="title">Get grpc-spring-boot:</div>
<div class="content">
<pre class="highlight"><code class="language-xml" data-lang="xml">&lt;dependencies&gt;
  &lt;dependency&gt;
    &lt;groupId&gt;xyz.srclab.grpc.spring.boot&lt;/groupId&gt;
    &lt;artifactId&gt;grpc-spring-boot-starter-server&lt;/artifactId&gt;
    &lt;version&gt;0.0.1&lt;/version&gt;
  &lt;/dependency&gt;
  &lt;dependency&gt;
    &lt;groupId&gt;xyz.srclab.grpc.spring.boot&lt;/groupId&gt;
    &lt;artifactId&gt;grpc-spring-boot-starter-client&lt;/artifactId&gt;
    &lt;version&gt;0.0.1&lt;/version&gt;
  &lt;/dependency&gt;
  &lt;dependency&gt;
    &lt;groupId&gt;xyz.srclab.grpc.spring.boot&lt;/groupId&gt;
    &lt;artifactId&gt;grpc-spring-boot-starter-web&lt;/artifactId&gt;
    &lt;version&gt;0.0.1&lt;/version&gt;
  &lt;/dependency&gt;
&lt;/dependencies&gt;</code></pre>
</div>
</div>
<div class="listingblock">
<div class="title">Use bom:</div>
<div class="content">
<pre class="highlight"><code class="language-xml" data-lang="xml">&lt;dependencyManagement&gt;
  &lt;dependencies&gt;
    &lt;dependency&gt;
      &lt;groupId&gt;xyz.srclab.grpc.spring.boot&lt;/groupId&gt;
      &lt;artifactId&gt;grpc-spring-boot-starter-bom&lt;/artifactId&gt;
      &lt;version&gt;0.0.1&lt;/version&gt;
      &lt;type&gt;pom&lt;/type&gt;
      &lt;scope&gt;import&lt;/scope&gt;
    &lt;/dependency&gt;
  &lt;/dependencies&gt;
&lt;/dependencyManagement&gt;</code></pre>
</div>
</div>
</div>
<div class="sect2">
<h3 id="_源代码">源代码</h3>
<div class="paragraph">
<p><a href="https://github.com/srclab-projects/grpc-spring-boot" class="bare">https://github.com/srclab-projects/grpc-spring-boot</a></p>
</div>
</div>
</div>
</div>
<div class="sect1">
<h2 id="_样例">样例</h2>
<div class="sectionbody">
<div class="paragraph">
<p><a href="../grpc-spring-boot-samples/">grpc-spring-boot-samples</a></p>
</div>
</div>
</div>
<div class="sect1">
<h2 id="_使用">使用</h2>
<div class="sectionbody">
<div class="sect2">
<h3 id="_server">Server</h3>
<div class="sect3">
<h4 id="_创建一个服务">创建一个服务</h4>
<div class="paragraph">
<p>我们首先在application.yml (或者 .yaml, .properties)添加server的属性:</p>
</div>
<div class="listingblock">
<div class="content">
<pre class="highlight"><code class="language-yaml" data-lang="yaml">grpc:
  server:
    servers:
      server1:
        host: 127.0.0.1
        port: 6565</code></pre>
</div>
</div>
<div class="paragraph">
<p>现在我们有了一个叫 <code>server1</code> 的服务, 在地址: <code>127.0.0.1:6565</code> 上.
接下来我们在 <code>server1</code> 上添加service:</p>
</div>
<div class="listingblock">
<div class="content">
<pre class="highlight"><code class="language-java" data-lang="java">@Service
public class DefaultHelloService extends DefaultHelloServiceGrpc.DefaultHelloServiceImplBase {

    @Override
    public void hello(HelloRequest request, StreamObserver&lt;HelloResponse&gt; responseObserver) {
        responseObserver.onNext(HelloResponse.newBuilder()
            .setMessage("DefaultHelloService")
            .setThreadName(Thread.currentThread().getName())
            .build()
        );
        responseObserver.onCompleted();
    }
}</code></pre>
</div>
</div>
<div class="paragraph">
<p>现在 <code>server1</code> 有了一个 gRPC service <code>DefaultHelloService</code>.
如果我们运行项目, <code>server1</code> 将会自动启动.</p>
</div>
</div>
<div class="sect3">
<h4 id="_多server服务">多Server服务</h4>
<div class="paragraph">
<p>如果我们需要在端口 <code>6565</code> 和 <code>6566</code> 上都开启服务, 并且他们共享主机 <code>localhost</code>:</p>
</div>
<div class="listingblock">
<div class="content">
<pre class="highlight"><code class="language-yaml" data-lang="yaml">grpc:
  server:
    defaults:
      host: 127.0.0.1
    servers:
      server1:
        port: 6565
      server2:
        port: 6566</code></pre>
</div>
</div>
<div class="paragraph">
<p><code>defaults</code> 属性的子属性和 <code>server</code> 属性的子属性相同. <code>server</code> 属性将会自动注入 <code>defaults</code> 属性, 除了被覆盖配置的属性.</p>
</div>
</div>
<div class="sect3">
<h4 id="_grpcservice">@GrpcService</h4>
<div class="paragraph">
<p>默认情况下, 如果一个 gRPC service 类被 <code>@Service</code> 或者其他 spring-boot 注解所注释, 它将为所有的服务工作.
因此, <code>DefaultHelloService</code> 将同时为 <code>server1</code> 和 <code>server2</code> 工作.
如果我们希望 <code>DefaultHelloService</code> 只为 <code>server1</code> 工作:</p>
</div>
<div class="listingblock">
<div class="content">
<pre class="highlight"><code class="language-java" data-lang="java">@GrpcService("server1")
public class DefaultHelloService{}

@GrpcService(serverPatterns = "server1")
public class DefaultHelloService{}

@GrpcService(serverPatterns = "*1")
public class DefaultHelloService{}</code></pre>
</div>
</div>
<div class="paragraph">
<p><code>@GrpcService</code> 可以通过 <code>value</code> or <code>serverPatterns</code> 属性指定它愿意工作的服务名, 并且它支持 ant-pattern.
现在 <code>DefaultHelloService</code> 只为 <code>server1</code> 工作了.</p>
</div>
</div>
<div class="sect3">
<h4 id="_grpcserverinterceptor">@GrpcServerInterceptor</h4>
<div class="paragraph">
<p>添加拦截器和添加服务一样:</p>
</div>
<div class="listingblock">
<div class="content">
<pre class="highlight"><code class="language-java" data-lang="java">@Component
public class DefaultServerInterceptor extends BaseServerInterceptor {

    @Override
    public &lt;ReqT, RespT&gt; ServerCall.Listener&lt;ReqT&gt; interceptCall(
        ServerCall&lt;ReqT, RespT&gt; call, Metadata headers, ServerCallHandler&lt;ReqT, RespT&gt; next) {
        if (Objects.equals(call.getMethodDescriptor().getServiceName(), "HelloService2")) {
            helloService2.addInterceptorTrace("DefaultServerInterceptor");
        }
        return super.interceptCall(call, headers, next);
    }
}</code></pre>
</div>
</div>
<div class="paragraph">
<p><code>DefaultServerInterceptor</code> 将会为所有的 gRPC services (<code>DefaultHelloService</code>) 工作, 想要限制它, 使用 <code>@GrpcServerInterceptor</code>:</p>
</div>
<div class="listingblock">
<div class="content">
<pre class="highlight"><code class="language-java" data-lang="java">@GrpcServerInterceptor(value = "*hello*", order = -2)
public class DefaultServerInterceptor{}

@GrpcServerInterceptor(servicePatterns = "*hello*", order = -3)
public class DefaultServerInterceptor{}</code></pre>
</div>
</div>
<div class="paragraph">
<p>就像 <code>@GrpcService</code>, <code>@GrpcServerInterceptor</code> 可以指定 service bean 的名字, 并且支持 ant-pattern.
<code>order</code> 属性指定调用殊勋, 从低到高.
现在, <code>DefaultServerInterceptor</code> 只为匹配 <code>*hello*</code> 的服务提供拦截了.</p>
</div>
</div>
<div class="sect3">
<h4 id="_abstractserverinterceptor_and_simpleserverinterceptor">AbstractServerInterceptor and SimpleServerInterceptor</h4>
<div class="paragraph">
<p><code>ServerInterceptor</code> 足以令人困惑 (想想看它的嵌套调用和回调顺序).
为了方便开发, 这个starter 提供 <code>AbstractServerInterceptor</code> 和 <code>SimpleServerInterceptor</code>.</p>
</div>
<div class="paragraph">
<p><code>AbstractServerInterceptor</code> 是 <code>ServerInterceptor</code> 的快捷实现, 提供一系列的回调方法以供重写, 并且有一个简单的调用顺序: intercept1 &#8594; intercept2 &#8594; onMessage2 &#8594; onMessage1 (具体请参阅 javadoc).</p>
</div>
<div class="paragraph">
<p><code>SimpleServerInterceptor</code> 是一个接口, 提供和 <code>AbstractServerInterceptor</code> 一样的回调方法一共重写.</p>
</div>
<div class="paragraph">
<p>区别:</p>
</div>
<div class="ulist">
<ul>
<li>
<p>每个 <code>AbstractServerInterceptor</code> 都是一个 <code>ServerInterceptor</code> 实例, 但是所有的 <code>SimpleServerInterceptor</code> 对于每个 gRPC service 都将被合并成一个 <code>ServerInterceptor</code>;</p>
</li>
<li>
<p>回调顺序是: intercept1 &#8594; intercept2 &#8594; onMessage1 &#8594; onMessage2 (具体请参阅 javadoc).</p>
</li>
</ul>
</div>
</div>
<div class="sect3">
<h4 id="_metadataserverinterceptor">MetadataServerInterceptor</h4>
<div class="paragraph">
<p><code>MetadataServerInterceptor</code> 是一个简单的 ServerInterceptor 用来处理 metadata (headers).</p>
</div>
</div>
<div class="sect3">
<h4 id="_defaultgrpcserverconfigurer_and_defaultgrpcserverconfigurehelper">DefaultGrpcServerConfigurer and DefaultGrpcServerConfigureHelper</h4>
<div class="paragraph">
<p>默认情况下, 这个starter使用 <code>InProcessBuilder</code>, <code>NettyServerBuilder</code> 和 <code>ShadedNettyServerBuilder</code> 来创建 gRPC server.
如果你想要定制这个过程, 创建一个 <code>DefaultGrpcServerConfigurer</code> bean 并且使用 bean <code>DefaultGrpcServerConfigureHelper</code> 来辅助设置.</p>
</div>
</div>
<div class="sect3">
<h4 id="_grpcserverfactory_and_defaultgrpcserverfactory">GrpcServerFactory and DefaultGrpcServerFactory</h4>
<div class="paragraph">
<p>这个starter使用 <code>GrpcServerFactory</code> 来创建 gRPC server, 它默认的实现是 <code>DefaultGrpcServerFactory</code>.
如果你想要定制这个过程, 创建一个 <code>GrpcServerFactory</code> bean 来替代.</p>
</div>
<div class="admonitionblock note">
<table>
<tr>
<td class="icon">
<div class="title">Note</div>
</td>
<td class="content">
<code>DefaultGrpcServerConfigurer</code> 将会失效如果你创建了定制的 <code>GrpcServerFactory</code> bean, 但是 <code>DefaultGrpcServerConfigureHelper</code> 仍然可以使用.
</td>
</tr>
</table>
</div>
</div>
<div class="sect3">
<h4 id="_grpcserversfactory_and_defaultgrpcserversfactory">GrpcServersFactory and DefaultGrpcServersFactory</h4>
<div class="paragraph">
<p>这个starter使用 <code>GrpcServersFactory</code> 来创建所有的 gRPC server, 它默认的实现是 <code>DefaultGrpcServersFactory</code>.
如果你想要定制这个过程, 创建一个 <code>GrpcServersFactory</code> bean 来替代.</p>
</div>
<div class="admonitionblock note">
<table>
<tr>
<td class="icon">
<div class="title">Note</div>
</td>
<td class="content">
<code>DefaultGrpcServerFactory</code> 和 <code>DefaultGrpcServerConfigurer</code> 将会失效如果你创建了定制的 <code>GrpcServersFactory</code> bean, 但是`DefaultGrpcServerConfigureHelper` 仍然可以使用.
</td>
</tr>
</table>
</div>
</div>
<div class="sect3">
<h4 id="_server配置属性表">Server配置属性表</h4>
<table id="GrpcServersProperties" class="tableblock frame-all grid-all stretch">
<caption class="title">Table 1. GrpcServersProperties</caption>
<colgroup>
<col style="width: 25%;">
<col style="width: 25%;">
<col style="width: 25%;">
<col style="width: 25%;">
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">Key</th>
<th class="tableblock halign-left valign-top">Type</th>
<th class="tableblock halign-left valign-top">Default</th>
<th class="tableblock halign-left valign-top">Comment</th>
</tr>
</thead>
<tbody>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock">defaults</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock"><a href="#ServerProperties">ServerProperties</a></p></td>
<td class="tableblock halign-left valign-top"></td>
<td class="tableblock halign-left valign-top"></td>
</tr>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock">servers</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">Map&lt;String, <a href="#ServerProperties">ServerProperties</a>&gt;</p></td>
<td class="tableblock halign-left valign-top"></td>
<td class="tableblock halign-left valign-top"></td>
</tr>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock">needGrpcAnnotation</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">Boolean</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">false</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">Whether gRPC bean (<code>BindableService</code> and <code>ServerInterceptor</code>) should be annotated by gRPC annotation (<code>GrpcService</code> and <code>GrpcServerInterceptor</code>).</p>
<p class="tableblock">This means spring-boot annotation such as <code>@Component</code> is invalid for gRPC bean.</p>
<p class="tableblock">Default is false.</p></td>
</tr>
</tbody>
</table>
<table id="ServerProperties" class="tableblock frame-all grid-all stretch">
<caption class="title">Table 2. ServerProperties</caption>
<colgroup>
<col style="width: 25%;">
<col style="width: 25%;">
<col style="width: 25%;">
<col style="width: 25%;">
</colgroup>
<thead>
<tr>
<th class="tableblock halign-left valign-top">Key</th>
<th class="tableblock halign-left valign-top">Type</th>
<th class="tableblock halign-left valign-top">Default</th>
<th class="tableblock halign-left valign-top">Comment</th>
</tr>
</thead>
<tbody>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock">inProcess</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">Boolean</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">false</p></td>
<td class="tableblock halign-left valign-top"></td>
</tr>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock">useShaded</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">Boolean</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">false</p></td>
<td class="tableblock halign-left valign-top"></td>
</tr>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock">host</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">String</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">localhost</p></td>
<td class="tableblock halign-left valign-top"></td>
</tr>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock">port</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">Int</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">6565</p></td>
<td class="tableblock halign-left valign-top"></td>
</tr>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock">threadPoolBeanName</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">String</p></td>
<td class="tableblock halign-left valign-top"></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">Thread pool bean name for gRPC executor.</p></td>
</tr>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock">maxConcurrentCallsPerConnection</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">Int</p></td>
<td class="tableblock halign-left valign-top"></td>
<td class="tableblock halign-left valign-top"></td>
</tr>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock">initialFlowControlWindow</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">Int</p></td>
<td class="tableblock halign-left valign-top"></td>
<td class="tableblock halign-left valign-top"></td>
</tr>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock">flowControlWindow</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">Int</p></td>
<td class="tableblock halign-left valign-top"></td>
<td class="tableblock halign-left valign-top"></td>
</tr>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock">maxMessageSize</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">Int</p></td>
<td class="tableblock halign-left valign-top"></td>
<td class="tableblock halign-left valign-top"></td>
</tr>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock">maxHeaderListSize</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">Int</p></td>
<td class="tableblock halign-left valign-top"></td>
<td class="tableblock halign-left valign-top"></td>
</tr>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock">keepAliveTimeInNanos</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">Long</p></td>
<td class="tableblock halign-left valign-top"></td>
<td class="tableblock halign-left valign-top"></td>
</tr>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock">keepAliveTimeoutInNanos</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">Long</p></td>
<td class="tableblock halign-left valign-top"></td>
<td class="tableblock halign-left valign-top"></td>
</tr>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock">maxConnectionIdleInNanos</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">Long</p></td>
<td class="tableblock halign-left valign-top"></td>
<td class="tableblock halign-left valign-top"></td>
</tr>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock">maxConnectionAgeInNanos</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">Long</p></td>
<td class="tableblock halign-left valign-top"></td>
<td class="tableblock halign-left valign-top"></td>
</tr>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock">maxConnectionAgeGraceInNanos</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">Long</p></td>
<td class="tableblock halign-left valign-top"></td>
<td class="tableblock halign-left valign-top"></td>
</tr>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock">permitKeepAliveWithoutCalls</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">Boolean</p></td>
<td class="tableblock halign-left valign-top"></td>
<td class="tableblock halign-left valign-top"></td>
</tr>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock">permitKeepAliveTimeInNanos</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">Long</p></td>
<td class="tableblock halign-left valign-top"></td>
<td class="tableblock halign-left valign-top"></td>
</tr>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock">sslCertChainClassPath</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">String</p></td>
<td class="tableblock halign-left valign-top"></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">Same classpath and file properties are alternative and classpath first</p></td>
</tr>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock">sslPrivateKeyClassPath</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">String</p></td>
<td class="tableblock halign-left valign-top"></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">Same classpath and file properties are alternative and classpath first</p></td>
</tr>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock">sslTrustCertCollectionClassPath</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">String</p></td>
<td class="tableblock halign-left valign-top"></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">Same classpath and file properties are alternative and classpath first</p></td>
</tr>
<tr>
<td class="tableblock halign-left valign-top"><p class="tableblock">sslCertChainFile</p></td>
<td class="tableblock halign-left valign-top"><p class="tableblock">String</p></td>
<td class="tableblock halign-left valign-top"></td>