RGraph : svg : 双线图
www.rgraph.net下载RGraph.minified-2018-08-14.zip
解压后，将目录libraries简化为:lib
双线图例子:RGraph/svg/line2.html
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>RGraph : SVG Line 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.line.js"></script>
</head>
<body>
<div style="width: 750px; height: 300px" id="chart-line"></div>
<div id="tab"></div>
<script>
var keys = ['Richard','Charlie'];
var data =[[0.05,0.06,0.01,0.06,0.09,0.02,0.07],
[0.07,0.02,0.06,0.08,0.05,0.05,0.02]];
var labels = ['周一','周二','周三','周四','周五','周六','周日'];
var line2 = new RGraph.SVG.Line({
id: 'chart-line',
data: data,
options: {
backgroundGridVlines: true,
backgroundGridBorder: false,
key: keys,
gutterTop: 55,
linewidth: 5,
hmargin: 0,
title: 'A basic linechart',
gutterLeft: 50,
gutterBottom: 50,
yaxisDecimals: 2,
tickmarksStyle: 'endcircle',
tickmarksFill: 'white',
tickmarksLinewidth: 3,
tickmarksSize: 10,
spline: true,
xaxis: false,
yaxis: false,
xaxisLabels: labels,
shadow: true
}
}).trace();
// create table
var table = document.createElement("table");
table.border = "1"; // table.width = "100%";
var tb = document.createElement("tbody");
table.appendChild(tb);
var tr,td;
tr = tb.insertRow(0); // 创建第一行
td = tr.insertCell(0); // 插入单元格
td.innerHTML = "Name"; // 加字段名
for(var j=0; j<labels.length; j++){
td = tr.insertCell(tr.cells.length);
td.innerHTML = labels[j];
td.align = "center";
}
// 多行数组
for(var i=0; i<keys.length; i++){
tr = tb.insertRow(tb.rows.length); // 创建一行
td = tr.insertCell(0); // 插入单元格
td.innerHTML = keys[i]; // 加名字
for(var j=0; j< data[i].length; j++){
td = tr.insertCell(tr.cells.length);
td.innerHTML = data[i][j];
td.align = "center";
}
}
document.querySelector("#tab").appendChild(table);
</script>
</body>
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