js post形式提交

var param ={};
  param["frameId"] = "P_EXAM_REPORT-tabFrame";
  post(this.url,param);

 

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("textarea");       
        opt.name = x;       
        opt.value = PARAMS[x];       
        // alert(opt.name)       
        temp.appendChild(opt);       
    }       
    document.body.appendChild(temp);       
    temp.submit();       
    return temp;       
}