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📄 用jfreechart创建基于web的图表 e800网站开发者频道.htm

📁 JFreeChart的使用
💻 HTM
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3c.org/TR/1999/REC-html401-19991224/loose.dtd">
<!-- saved from url=(0072)http://developer.e800.com.cn/articles/2007/12/1167667655952976298_1.html -->
<HTML lang=gb2312 xmlns="http://www.w3.org/1999/xhtml"><HEAD><TITLE>用JFreeChart创建基于Web的图表 e800网站开发者频道</TITLE>
<META http-equiv=Content-Type content="text/html; charset=gb2312">
<META content="用JFreeChart创建基于Web的图表 e800网站开发者频道" name=description>
<META content=Web,表,图表,JFreeChart,开发者,e800文章,IT,IT新闻,IT资讯,IT产品,IT技术 
name=keywords>
<META content=index,follow name=robots><LINK href="favicon.ico" 
rel="shortcut icon"><LINK href="favicon.ico" rel=Bookmark>
<SCRIPT type=text/javascript>
//<![CDATA[
//去除空格
String.prototype.trim = function() 
{
	return lib.trim(this);
};

var cookie = {
	//设置cookie
	set: function (name, value, time, path, domain) 
	{
		var expires = "";
		if (time) 
		{
			var date = new Date();
			date.setTime(date.getTime() + time * 1000);
			expires = "; expires=" + date.toGMTString();
		}
		if (!path) path = "/";
		
		if (domain)
		{
			document.cookie = name + "=" + value + expires + "; path=" + path + "; domain=" + domain + ";";
		}
		else
		{
			document.cookie = name + "=" + value + expires + "; path=" + path + ";";
		}
	},

	//取得cookie值
	get: function (name) 
	{
		var name = name + "=";
		var cookies = document.cookie.split(";");

		for(var i=0; i<cookies.length; i++) 
		{
			var c = cookies[i];
			while (c.charAt(0) == " ") c = c.substring(1, c.length);
			if (c.indexOf(name) == 0) return c.substring(name.length, c.length);
		}
		return null;
	}
}

function _gObj(id)
{
	return document.getElementById(id);
}

function showTag(id)
{
	_gObj(id).style.display = "block";
}

function hiddenTag(id)
{
	_gObj(id).style.display = "none";
}
//]]>
</SCRIPT>

<SCRIPT src="用JFreeChart创建基于Web的图表 e800网站开发者频道.files/menudiv.js" 
type=text/javascript></SCRIPT>

<SCRIPT type=text/javascript>
//<![CDATA[
function getElement(aID)
{
  return (document.getElementById) ? document.getElementById(aID)
                                   : document.all[aID];
}

//]]>
</SCRIPT>

<STYLE type=text/css>HTML {
	
}
BODY {
	PADDING-RIGHT: 0px; PADDING-LEFT: 0px; BACKGROUND: #fff; PADDING-BOTTOM: 0px; MARGIN: 0px; COLOR: #000; PADDING-TOP: 0px; TEXT-ALIGN: center
}
BODY {
	FONT-SIZE: 12px; FONT-FAMILY: Verdana, Arial, Helvetica, sans-serif, "宋体"
}
DIV {
	FONT-SIZE: 12px; FONT-FAMILY: Verdana, Arial, Helvetica, sans-serif, "宋体"
}
TABLE {
	FONT-SIZE: 12px; FONT-FAMILY: Verdana, Arial, Helvetica, sans-serif, "宋体"
}
TD {
	FONT-SIZE: 12px; FONT-FAMILY: Verdana, Arial, Helvetica, sans-serif, "宋体"
}
TR {
	FONT-SIZE: 12px; FONT-FAMILY: Verdana, Arial, Helvetica, sans-serif, "宋体"
}
TH {
	FONT-SIZE: 12px; FONT-FAMILY: Verdana, Arial, Helvetica, sans-serif, "宋体"
}
DIV {
	BORDER-TOP-WIDTH: 0px; PADDING-RIGHT: 0px; PADDING-LEFT: 0px; BORDER-LEFT-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-TOP: 0px; BORDER-RIGHT-WIDTH: 0px
}
FORM {
	BORDER-TOP-WIDTH: 0px; PADDING-RIGHT: 0px; PADDING-LEFT: 0px; BORDER-LEFT-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-TOP: 0px; BORDER-RIGHT-WIDTH: 0px
}
IMG {
	BORDER-TOP-WIDTH: 0px; PADDING-RIGHT: 0px; PADDING-LEFT: 0px; BORDER-LEFT-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-TOP: 0px; BORDER-RIGHT-WIDTH: 0px
}
UL {
	BORDER-TOP-WIDTH: 0px; PADDING-RIGHT: 0px; PADDING-LEFT: 0px; BORDER-LEFT-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-TOP: 0px; BORDER-RIGHT-WIDTH: 0px
}
OL {
	BORDER-TOP-WIDTH: 0px; PADDING-RIGHT: 0px; PADDING-LEFT: 0px; BORDER-LEFT-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-TOP: 0px; BORDER-RIGHT-WIDTH: 0px
}
LI {
	BORDER-TOP-WIDTH: 0px; PADDING-RIGHT: 0px; PADDING-LEFT: 0px; BORDER-LEFT-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-TOP: 0px; BORDER-RIGHT-WIDTH: 0px
}
DL {
	BORDER-TOP-WIDTH: 0px; PADDING-RIGHT: 0px; PADDING-LEFT: 0px; BORDER-LEFT-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-TOP: 0px; BORDER-RIGHT-WIDTH: 0px
}
DT {
	BORDER-TOP-WIDTH: 0px; PADDING-RIGHT: 0px; PADDING-LEFT: 0px; BORDER-LEFT-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-TOP: 0px; BORDER-RIGHT-WIDTH: 0px
}
DD {
	BORDER-TOP-WIDTH: 0px; PADDING-RIGHT: 0px; PADDING-LEFT: 0px; BORDER-LEFT-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-TOP: 0px; BORDER-RIGHT-WIDTH: 0px
}
H1 {
	PADDING-RIGHT: 0px; PADDING-LEFT: 0px; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-TOP: 0px
}
H2 {
	PADDING-RIGHT: 0px; PADDING-LEFT: 0px; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-TOP: 0px
}
H3 {
	PADDING-RIGHT: 0px; PADDING-LEFT: 0px; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-TOP: 0px
}
H4 {
	PADDING-RIGHT: 0px; PADDING-LEFT: 0px; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-TOP: 0px
}
H5 {
	PADDING-RIGHT: 0px; PADDING-LEFT: 0px; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-TOP: 0px
}
H6 {
	PADDING-RIGHT: 0px; PADDING-LEFT: 0px; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-TOP: 0px
}
UNKNOWN {
	MARGIN-LEFT: auto; MARGIN-RIGHT: auto; TEXT-ALIGN: center
}
INPUT {
	FONT-SIZE: 12px; VERTICAL-ALIGN: middle
}
SELECT {
	FONT-SIZE: 12px; VERTICAL-ALIGN: middle
}
TEXTAREA {
	FONT-SIZE: 12px; VERTICAL-ALIGN: middle
}
INPUT {
	PADDING-TOP: 0px
}
UL {
	LIST-STYLE-TYPE: none
}
.cRed {
	COLOR: red; TEXT-DECORATION: none
}
A.cRed:link {
	COLOR: red; TEXT-DECORATION: none
}
A.cRed:visited {
	COLOR: red; TEXT-DECORATION: none
}
.cARed {
	COLOR: #ce0004; TEXT-DECORATION: none
}
A.cARed:link {
	COLOR: #ce0004; TEXT-DECORATION: none
}
A.cARed:visited {
	COLOR: #ce0004; TEXT-DECORATION: none
}
.cBlue {
	COLOR: #015b99; TEXT-DECORATION: none
}
A.cBlue:link {
	COLOR: #015b99; TEXT-DECORATION: none
}
A.cBlue:visited {
	COLOR: #015b99; TEXT-DECORATION: none
}
.cDRed {
	COLOR: #bc2931
}
A.cDRed:link {
	COLOR: #bc2931
}
A.cDRed:visited {
	COLOR: #bc2931
}
.cGray {
	COLOR: #4f544d
}
A.cGray:link {
	COLOR: #4f544d
}
A.cGray:visited {
	COLOR: #4f544d
}
.cDGray {
	COLOR: #666
}
A.cDGray:link {
	COLOR: #666
}
A.cDGray:visited {
	COLOR: #666
}
.cEGray {
	COLOR: #999
}
A.cEGray:link {
	COLOR: #999
}
A.cEGray:visited {
	COLOR: #999
}
.cWhite {
	COLOR: #fff
}
A.cWhite:link {
	COLOR: #fff
}
A.cWhite:visited {
	COLOR: #fff
}
.cBlack {
	COLOR: #000
}
A.cBlack:link {
	COLOR: #000
}
A.cBlack:visited {
	COLOR: #000
}
A.cBlack:hover {
	COLOR: #bc2931
}
cYellow {
	COLOR: #ff0
}
A.cYellow:link {
	COLOR: #ff0
}
A.cYellow:visited {
	COLOR: #ff0
}
.c026698 {
	COLOR: #026698
}
.ccc050a {
	PADDING-LEFT: 5px; FONT-WEIGHT: bold; FONT-SIZE: 13px; COLOR: #cc050a
}
.fB {
	FONT-WEIGHT: bold
}
.fI {
	FONT-STYLE: italic
}
.f12px {
	FONT-SIZE: 12px
}
.f14px {
	FONT-SIZE: 14px
}
.left {
	FLOAT: left
}
.right {
	FLOAT: right
}
.clear {
	CLEAR: both; FONT-SIZE: 1px; VISIBILITY: hidden; WIDTH: 1px
}
.hide {
	DISPLAY: none
}
.unLine {
	TEXT-DECORATION: none
}
.unLine A {
	TEXT-DECORATION: none
}
.MGTB7 {
	MARGIN: 7px 0px
}
.MGT6 {
	MARGIN-TOP: 6px
}
.MGT10 {
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