ajax中发请求，php后台收不到
打印总是为空，但是前端是已经发送了请求，并且也传参数了啊
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打印总是为空，但是前端是已经发送了请求，并且也传参数了啊
我没看到你前端的处理
首先ajax 的datatype 不用引号包括
我觉着你可以先var_dump($_POST); 看看上行参数都有哪些，是不是有 value ，先调试一把
在这个方法的第一行，随便echo一个东西，看ajax的URL有没有对。如果有输出说明URL地址没错。
那么var_dump()的结果也应该会显示出来
看Response
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