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mysql-Mysql contact 连接数字怎么把那

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2016-06-06 09:34:551657browse

数字mysql数据

我是根据id来更新数据的。但是contact连接之后变成字符串了 如何解决啊！！！！图片说明
大家都是怎么解决这种问题的呢！！！

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