/**
 * 表单提交工具方法
 */
var FORM_UTILS = {
    post:function(url,params){}
}

// post 提交
FORM_UTILS.post = function(url, params,target){
    if(!url || !target){
        return ;
    }
    var form = document.createElement("form");
    form.action = url;
    form.method ="post";
    form.target = target;
    if(params){
        for(var i in params){
            var ele =  document.createElement("textarea");
            ele.name = params[i].name;
            ele.value = params[i].value;
            form.appendChild(ele);
        }
    }
    document.body.appendChild(form);
    form.submit();
    // 移除
    document.body.removeChild(form);
}