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google chartサンプル
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| <!-- http://www.itdashboard.go.jp/DataFeeds/sampleGc --> | |
| <!-- jQueryのgetJSONでjsonを取って来て、jsonData変数へ格納 --> | |
| <!-- jsonData.raw_dataは配列でjsonData.raw_data[0], jsonData.raw_data[1]...って --> | |
| <!-- 感じでアクセスできる。 --> | |
| <!-- 入っている要素はjson。 --> | |
| <!-- こいつをgoogle.visualization.DataTable型のdataへ放り込めば良い！ --><!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <title>Sample Google Charts</title> | |
| <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script> | |
| <script type="text/javascript" src="https://www.google.com/jsapi"></script> | |
| <script> | |
| google.load("visualization", "1", { | |
| packages: ["corechart"] | |
| }); | |
| google.setOnLoadCallback(drawChart); | |
| function drawChart() { | |
| $.getJSON("http://www.itdashboard.go.jp/PublicApi/getData.json?dataset=BasicInformation&year=2014&field=organization&option=count", | |
| function(jsonData) { | |
| // ========== データ設定 ========== | |
| var data = new google.visualization.DataTable(); | |
| data.addRows(jsonData.raw_data.length); | |
| data.addColumn("string", "府省名"); | |
| data.addColumn("number", "システム数"); | |
| $.each(jsonData.raw_data, function(i, v) { | |
| data.setValue(i, 0, v.organization); | |
| data.setValue(i, 1, v.count); | |
| }); | |
| // ========== 表示設定 ========== | |
| var options = { | |
| title: "府省別システム数", | |
| chartArea: { | |
| width: "50%", | |
| height: "90%" | |
| }, | |
| vAxis: { | |
| title: "府省名" | |
| } | |
| }; | |
| // ========== 描画処理 ========== | |
| var chart = new google.visualization.BarChart(document.getElementById("chart_div")); | |
| chart.draw(data, options); | |
| }); | |
| } | |
| </script> | |
| <style> | |
| div#chart_div { | |
| height: 400px; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <div id="chart_div"></div> | |
| </body> | |
| </html> |
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