php Jpgraph 安装和配置
Jpgraph下载之后，安装非常简单，解压到一个文件夹中，例如：d:\Jpgraph，然后打开php的安装目录，找到php.ini文件，并修改其中的inlude_path参数，并在其后加上Jpgraph的路径，例如：inlude_path=".;d:\Jpgraph".
http://blog.csdn.net/zhuzhao/archive/2009/05/12/4174684.aspx
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