@ Qing Xiaowei: You can set an inputtypehiddennameIsPostBackvalue1 in formform. in PHP, judge whether isset ($ _ GET [IsPostBack]) or isset ($ _ POST [IsPostBack]). If you use PHP, learning a framework can help you speed up a lot. Recommended CodeIgniter framework
@ Qing Xiaowei: You can set an input type = "hidden" name = "IsPostBack" value = "1" in form/form. In PHP, isset ("$ _ GET ['ispostback']") or isset ("$ _ POST ['ispostback']"). If you use PHP, learning a framework can help you speed up a lot. Recommended CodeIgniter framework
@ Qing Xiaowei: You can set it in the middle.OneIn PHP, determine whether isset ("$ _ GET ['ispostback']") or isset ("$ _ POST ['ispostback']").
If you use PHP, learning a framework can help you speed up a lot. I personally recommend the CodeIgniter framework, which provides excellent documentation. Hope to help you, myselfOneIt's a cainiao.