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I typed in the code, and no matter what the username was, it only showed that it was occupied.
嘉欣
嘉欣 2018-09-26 21:52:02
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微信图片_20180926215411 - 副本.png微信图片_20180926215425.png

嘉欣
嘉欣

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jin
jin2018-09-28 10:51:24 1 floor

The server-side logic is not posted and cannot be seen. responseText==0 The problem here.

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  • reply The if (this.responseText) statement cannot be executed, but the else statement can be executed.
    嘉欣 author 2018-09-28 16:40:10
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