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关于一个编程的小疑点，求高手赐教

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Release： 2016-06-13 13:20:01
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关于一个编程的小问题，求高手赐教
问题是这样的：我需要设计一个后台管理员查看留言的程序。假设前台有2个人留言，那么这两个留言在后台能够看到，但是有一个留言我已经看过了，另外一个没有，所以我需要一个提醒管理员还有一个留言未读的程序，就像QQ邮箱一样。这个用php怎么写呢?我是一个新人，给思路就行了，代码我自己码，谢谢！

------解决方案--------------------
设一字段用来记录是否查看过
可以在原留言表中，也可新建一表
------解决方案--------------------
不想破坏原表的话就加个
新表来一个字段记录是否已查看，一个外键

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