AlertaBlu/index.html at master · KyryIx/AlertaBlu · GitHub

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<html>
	<head>
		<title>P&aacute;gina de coleta de dados do AlertaBlu</title>
		<script>
			// https://www.w3schools.com/xml/ajax_intro.asp
			// https://www.w3schools.com/jsref/met_document_getelementbyid.asp
			// https://www.w3schools.com/jsref/prop_node_firstchild.asp
			// https://www.w3schools.com/jsref/met_node_removechild.asp
			// https://www.w3schools.com/js/js_json_parse.asp
			// https://www.w3schools.com/js/js_object_es5.asp
			// https://www.w3schools.com/js/js_loop_for.asp
			// https://www.w3schools.com/jsref/met_document_createelement.asp
			// https://www.w3schools.com/js/js_datatypes.asp
			// https://www.w3schools.com/jsref/met_win_setinterval.asp

			function loadTable() {
				var xhttp = new XMLHttpRequest();
				xhttp.onreadystatechange = function() {
					if (this.readyState == 4 && this.status == 200) {
						var table = document.getElementById("tableValues");

						while( table.firstChild ){
							table.removeChild( table.firstChild );
						}

						var data = JSON.parse( this.responseText );
						var keys = Object.keys( data );
						for( var k in keys ){
							var tr = document.createElement( 'tr' );
							var name = keys[k];
							var type = typeof data[ keys[k] ];

							var title = tr.appendChild( document.createElement('td') );
							//title.innerHTML = `<b>${keys[k]}</b>`;
							title.innerHTML = '<b>'+keys[k]+'</b>';

							if( type == 'object' ){
								for( var j in data[ keys[k] ] ){
									var td = document.createElement( 'td' );

									td.innerText = data[ keys[k] ][j];

									if( keys[k] == 'condicao_do_tempo_img' ){
										td.innerHTML = '<img src="http://alertablu.cob.sc.gov.br/static/img/previsao/' + td.innerText + '"/>';
									}

									tr.appendChild( td );
								}
							}
							else if( type == 'string' ){
								var td = document.createElement( 'td' );
								td.innerText = data[ keys[k] ];
								tr.appendChild( td );
							}

							table.appendChild( tr );
						}
					}
				};
				xhttp.open( "GET", "http://www.everton.mat.br/alertablu/data.php?option=all", true );
				xhttp.send();
			}

			window.onload = function(){
				loadTable();
				setInterval( loadTable, 60000 );
			}
		</script>
	</head>
	<body>
		<h1 align="center">P&aacute;gina de coleta de dados do AlertaBlu</h1>
		<table align="center" border="1" id="tableValues"></table>
	</body>
</html>