jquery走势图，
日期：2014-05-16 浏览次数：20493 次
jquery走势图，求助，急
怎么用jquery画出http://data.house.sina.com.cn/xm92210/jiage/ 这样的两张走势图，跪求！！！
------解决方案--------------------
怎么用jquery画出http://data.house.sina.com.cn/xm92210/jiage/ 这样的两张走势图，跪求！！！
------解决方案--------------------
- JScript code
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Flot Examples</title>
<link href="layout.css" rel="stylesheet" type="text/css">
<!--[if lte IE 8]><script language="javascript" type="text/javascript" src="../excanvas.min.js"></script><![endif]-->
<script language="javascript" type="text/javascript" src="../jquery.js"></script>
<script language="javascript" type="text/javascript" src="../jquery.flot.js"></script>
</head>
<body>
<h1>Flot Examples</h1>
<div id="placeholder" style="width:600px;height:300px"></div>
<p>Flot supports lines, points, filled areas, bars and any
combinations of these, in the same plot and even on the same data
series.</p>
<script type="text/javascript">
/*
* jQuery.flot.dashes
*
* options = {
* series: {
* dashes: {
*
* // show
* // default: false
* // Whether to show dashes for the series.
* show: <boolean>,
*
* // lineWidth
* // default: 2
* // The width of the dashed line in pixels.
* lineWidth: <number>,
*
* // dashLength
* // default: 10
* // Controls the length of the individual dashes and the amount of
* // space between them.
* // If this is a number, the dashes and spaces will have that length.
* // If this is an array, it is read as [ dashLength, spaceLength ]
* dashLength: <number> or <array[2]>
* }
* }
* }
*/
(function($){
function init(plot) {
plot.hooks.drawSeries.push(function(plot, ctx, series) {
if (!series.dashes.show) {
return;
}
var plotOffset = plot.getPlotOffset();
function plotDashes(datapoints, xoffset, yoffset, axisx, axisy) {
var points = datapoints.points,
ps = datapoints.pointsize,
prevx = null,
prevy = null,
dashRemainder = 0,
dashOn = true,
dashOnLength,
dashOffLength;
if (series.dashes.dashLength[0]) {
dashOnLength = series.dashes.dashLength[0];
if (series.dashes.dashLength[1]) {
dashOffLength = series.dashes.dashLength[1];
} else {
dashOffLength = dashOnLength;
}
} else {
dashOffLength = dashOnLength = series.dashes.dashLength;
}
ctx.beginPath();
for (var i = ps; i < points.length; i += ps) {
var x1 = points[i - ps],
y1 = points[i - ps + 1],
x2 = points[i],
y2 = points[i + 1];
if (x1 == null || x2 == null) continue;
// clip with ymin
if (y1 <= y2 && y1 < axisy.min) {
if (y2 < axisy.min) continue; // line segment is outside
// compute new intersection point
x1 = (axisy.min - y1) / (y2 - y1) * (x2 - x1) + x1;
y1 = axisy.min;
} else if (y2 <= y1 && y2 < axisy.min) {
if (y1 < axisy.min) continue;
x2 = (axisy.min - y1) / (y2 - y1) * (x2 - x1) + x1;
y2 = axisy.min;
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