效果图:
源码下载:http://hovertree.com/h/bjaf/bbot18bj.htm
参考:http://hovertree.com/h/bjaf/feao233c.htm
base 64 编码:http://www.cnblogs.com/sosoft/p/base64.html
更多文章:http://www.cnblogs.com/sosoft/p/kaifajishu.html