JS动态创建表单post提交

<script>//@创建表单方法function post(URL, PARAMS) {    var temp = document.createElement("form");    temp.action = URL;    temp.method = "post";    temp.style.display = "none";    for (var x in PARAMS) {        var opt=document.createElement("input");        opt.type="text";        opt.name = x;        opt.value = PARAMS[x];        temp.appendChild(opt);    }    document.body.appendChild(temp);    temp.submit();    return temp;}/*** * 调用表单方法 * @param url * @param data */post('/web/pay', {goods_param :str});</script>