<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Raphael绘制折线</title>
<style>
#mypolyline{
border: 1px solid red;
width: 200px;
height: 200px;
}
</style>
<script src="js/raphael.js"></script>
<script>
function createPolyLine(){
var root=document.getElementByIdx_x("mypolyline");
var paper=Raphael(root,200,200);
var polyline=paper.path("M20,50 180,50 50,180");
polyline.attr("stroke","black");
polyline.attr("fill","none");
}
</script>
</head>
<body onload="createPolyLine()">
<h3>Raphael绘制折线图</h3>
<div id="mypolyline"></div>
</body>
</html>