http://www.baidu.com/s?ie=gb2312&bs=%B2%E9%BF%B4%B6%CB%BF%DA&sr=&z=&cl=3&f=8&wd=%B1%F9%BA%D3%C4%BE%C2%ED&ct=0 这里好多下载的http://www.ah163.net/cw/news/news.php3?id=21911 这个是原理http://www.5uwl.net/article/msmir400/msmir530/msmir534/200410/1519.html 这个是教程