默认的是GET的提交方式
追问怎样设置POST方式?
追答<form action="" method="post"></form>
这样设置为post
追问可是我这里的代码form没有设定method的属性,后台就用IS_POST来判断是否有post提交,这是怎么回事?
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/eac4b74543a98226d1cdc3378e82b9014a90eb96?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/314e251f95cad1c87f1314377b3e6709c93d5172?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
追答IS_POST应该是你前面设置的一个变量,根据是否有post过来的内容判断的,
如果IS_POST为真就是post,反之就是get
追问但是前台没有指明form提交方式?
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/377adab44aed2e73a6286c3c8301a18b86d6fad9?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
追答那你后台是接收不了post 的数据
本回答被提问者采纳