原 js页面传值参数打包类

  var PageState = {
    MakeParams: function (valueState) {
        var params ={};
        var controlState={};
        //获取控件中的值
        var inputs = document.getElementsByClassName("controlKeep").getElementsByTagName("input");
        var selects = document.getElementsByClassName("controlKeep").getElementsByTagName("select");
        //制作json字符串
        for (var i = 0; i < inputs.length; i++) {
            if ($("#" + inputs[i].id).attr("type") == "text" || $("#" + inputs[i].id).attr("type") == "hidden") {
                controlState[inputs[i].id]=$("#" + inputs[i].id).val()
            }
            else if ($("#" + inputs[i].id).prop("type") == "checkbox") {
                if ($("#" + inputs[i].id).prop("checked") == true) {
                    param += "\"" + inputs[i].id + "\"" + ":" + "\"" + 1 + "\",";
                    controlState[inputs[i].id]=1;
                }
                else {  controlState[inputs[i].id]=-1;  }
            }
        }
        for (var j = 0; j < selects.length; j++) {
            controlState[selects[j].id]=selects[j].value;
        }
        params.controlState=controlState;
        params={
            "valueState":valueState
        }
        //返回json
        return JSON.stringify(params) ;
    },
    DecrizeParams: function (strJson) {
        var params =JSON.parse(strJson);
        for (var key in params.controlState) {
            var value=params[key]
            var obj = document.getElementById(key);
            //input类型值填充
            if (obj.nodeName.toLowerCase() == "input") {

                if (type = "text" || type == "hidden") {
                    $("#" + key).val(value);
                }
                if (type == "checkbox") {
                    if (value > 0)      //正数代表选择
                    { $("#" + key).prop("checked", true); }
                    else
                    { $("#" + key).prop("checked", false); }
                }
            }
            //select类型值填充
            if (obj.nodeName.toLowerCase() == "select") {
                var selectObj = document.getElementById(key);
                for (i = 0; i < selectObj.options.length; i++) {
                    var curOptObj = selectObj.options[i];
                    var value = curOptObj.value;
                    if (value == value) {
                        curOptObj.selected = true;
                    }
                }
            }

        }
        return params.valueState
     }
};

     var parames= GoAndBackUrl.MakeParams({a:12,b:123});

     var obj=backMsg.DecrizeParams();