百度一下看看：
https://www.baidu.com/s?word=%E6%97%A5%E6%9C%9F+%E5%AF%B9%E4%BA%8E%E9%80%A0%E5%9E%8B%E8%AF%B4%E6%98%8E%E6%97%A0%E6%95%88%E7%9A%84%E5%AD%97%E7%AC%A6%E5%80%BC&tn=50000021_hao_pg&ie=utf-8&sc=UWd1pgw-pA7EnHc1FMfqnHfLnWbdP1T1nHT3nBuW5y99U1Dznzu9m1Yknjb1n1nYnHm1&ssl_sample=normal&srcqid=194315702138171921
搞不定，就做个例子发上来。
加好友 
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Post By：2016/9/4 11:12:00 [显示全部帖子]
