通过POST将JavaScript变量发送到PHP

Question

提交表单时是否可以将JavaScript变量的内容发送给PHP？

Answer 1

是。 只需将javascript回调添加到表单提交事件

即可

<script type="text/javascript">
    var myglobalvariable = "myvalue";
    onSubmit = function(){
        document.myform.myinput.value = myglobalvariable;  return true;
    }
</script>
<form name="myform" id="myform" method="post" action="index.php" onsubmit="onSubmit();">
    <input name="myinput" id="myinput" type="hidden" />
</form>