JS里面实现新建Form表单以及提交

var recUid = '123';
var form = $("<form method='post'></form>");
var input1 = $('<input name="recUid" style="opacity:0"/>');
input1.val(recUid)
var url = "你的提交的URL";
form.attr({"action":url});
form.append(input1);
$(document.body).append(form);
form.submit();