RGraph : svg : 直方图
www.rgraph.net下载RGraph.minified-2018-08-14.zip
解压后，将目录libraries简化为:lib
直方图例子:RGraph/svg_bar1.html
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>RGraph : SVG Bar charts API </title>
<script src="./lib/RGraph.svg.common.core.js"></script>
<script src="./lib/RGraph.svg.common.key.js"></script>
<script src="./lib/RGraph.svg.common.tooltips.js"></script>
<script src="./lib/RGraph.svg.bar.js"></script>
</head>
<body>
<div style="width: 750px; height: 300px" id="chart-bar"></div>
<div id="tab"></div>
<script>
var data = [8,5,9,3,5,2,4];
var labels = ['周一','周二','周三','周四','周五','周六','周日'];
var tips = new Array();
for (var i=0; i<data.length; i++) {
tips[i] = labels[i] + ': ' + data[i];
}
var bar = new RGraph.SVG.Bar({
id: 'chart-bar',
data: data,
options: {
gutterTop: 50,
gutterBottom: 75,
hmargin: 20,
xaxisLabels: labels,
tooltips: tips,
title: 'A basic Bar chart',
titleSubtitle: 'A chart showing the daily totals for last week',
titleSubtitleItalic: true,
colors: ['red','pink'],
shadow: true,
shadowOpacity: 0.2
}
}).draw();
// create table
var table = document.createElement("table");
table.border = "1"; // table.width = "100%";
var tb = document.createElement("tbody");
table.appendChild(tb);
//var tr = document.createElement("tr");
var tr,td;
tr = tb.insertRow(0); // 创建第一行
for(var j=0; j<labels.length; j++){
td = tr.insertCell(tr.cells.length);
td.innerHTML = labels[j];
td.align = "center";
}
tr = tb.insertRow(tb.rows.length); // 创建一行
for(var j=0; j<data.length; j++){
td = tr.insertCell(tr.cells.length);
td.innerHTML = data[j];
td.align = "center";
}
document.querySelector("#tab").appendChild(table);
</script>
</body>
</html>
</body>
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