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mysql的 u"Truncated incorrect DOUBLE value 警告信息

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mysql的 u"Truncated incorrect DOUBLE value 警告信息

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传递进来的mobile也是字符串型的啊 ！！！


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你字符串查询应该加引号，把上面的三个单引号换成三个双引号，然后

b.username='%s'

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