https://blog.youkuaiyun.com/uuchizh-cnhttps://blog.youkuaiyun.com/https://blog.youkuaiyun.com/uuchi/article/details/84510865https://blog.youkuaiyun.com/uuchi/article/details/84510865uuchiMon, 09 Dec 2013 23:00:55 +0800https://blog.youkuaiyun.com/uuchi/article/details/84510862https://blog.youkuaiyun.com/uuchi/article/details/84510862uuchiMon, 09 Dec 2013 22:54:34 +0800https://blog.youkuaiyun.com/uuchi/article/details/84510861https://blog.youkuaiyun.com/uuchi/article/details/84510861uuchiMon, 09 Dec 2013 22:54:32 +0800https://blog.youkuaiyun.com/uuchi/article/details/84437571https://blog.youkuaiyun.com/uuchi/article/details/84437571uuchiFri, 31 May 2013 11:48:27 +0800https://blog.youkuaiyun.com/uuchi/article/details/84429680https://blog.youkuaiyun.com/uuchi/article/details/84429680uuchiSat, 11 May 2013 16:19:39 +0800https://blog.youkuaiyun.com/uuchi/article/details/84178408https://blog.youkuaiyun.com/uuchi/article/details/84178408uuchiFri, 30 Mar 2012 17:32:30 +0800https://blog.youkuaiyun.com/uuchi/article/details/83912723https://blog.youkuaiyun.com/uuchi/article/details/83912723uuchiThu, 28 Apr 2011 14:25:04 +0800https://blog.youkuaiyun.com/uuchi/article/details/83909975https://blog.youkuaiyun.com/uuchi/article/details/83909975uuchiSat, 23 Apr 2011 22:19:37 +0800https://blog.youkuaiyun.com/uuchi/article/details/83905686https://blog.youkuaiyun.com/uuchi/article/details/83905686uuchiSat, 16 Apr 2011 20:03:27 +0800https://blog.youkuaiyun.com/uuchi/article/details/83905650https://blog.youkuaiyun.com/uuchi/article/details/83905650uuchiSat, 16 Apr 2011 18:04:11 +0800https://blog.youkuaiyun.com/uuchi/article/details/83880762https://blog.youkuaiyun.com/uuchi/article/details/83880762uuchiTue, 29 Mar 2011 13:54:51 +0800https://blog.youkuaiyun.com/uuchi/article/details/83852907https://blog.youkuaiyun.com/uuchi/article/details/83852907uuchiWed, 09 Mar 2011 21:00:35 +0800https://blog.youkuaiyun.com/uuchi/article/details/83852897https://blog.youkuaiyun.com/uuchi/article/details/83852897uuchiWed, 09 Mar 2011 20:43:31 +0800https://blog.youkuaiyun.com/uuchi/article/details/83851772https://blog.youkuaiyun.com/uuchi/article/details/83851772uuchiTue, 08 Mar 2011 14:17:31 +0800https://blog.youkuaiyun.com/uuchi/article/details/6231409https://blog.youkuaiyun.com/uuchi/article/details/6231409uuchiTue, 08 Mar 2011 13:53:00 +0800通常存在下面的一些存在性检查方法：
（1）使用Set set=new HashSet();
（2）利用数据库，设置字段并建立该字段的索引；
（3）压缩对比，将待检查的串压缩成md5值，然后采用集合的方法进行检查；
 
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