action 路径写成../ 不可以 但写成code/就可以 为啥

Answer 1

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Answer 2

..直接退出当前文件夹了，肯定找不到啊

Answer 3

这是因为你入口文件与code同级，当你访问01-form.php（入口文件），其文件内的相对路径都是基于该入口文件的。