jQuery form表单序列化为JSON对象！-优快云博客

/*
来源于博客园http://www.cnblogs.com/nixil/archive/2010/12/08/1900745.html
*/
function paramString2obj(serializedParams) {
    var obj = {};
    function evalThem(str) {
        var attributeName = str.split("=")[0];
        var attributeValue = str.split("=")[1];
        if (!attributeValue) {
            return;
        }

        //debugger;
        var array = attributeName.split(".");
        for (var i = 1; i < array.length; i++) {
            var tmpArray = Array();
            tmpArray.push("obj");
            for (var j = 0; j < i; j++) {
                tmpArray.push(array[j]);
            };
            var evalString = tmpArray.join(".");
            if (!eval(evalString)) {
                eval(evalString + "={};");
            }
        };
　　　　//以下对form表单中的checkbox多选操作进行更新，默认将多选的值以逗号进行分割，避免后台取值时，只取到一个选中的值
        var oldValue = eval("obj." + attributeName + ";");
        if (oldValue) {
            eval("obj." + attributeName + "='" + oldValue + "," + attributeValue + "';")
        } else {
            eval("obj." + attributeName + "='" + attributeValue + "';");
        }
    };

    var properties = serializedParams.split("&");
    for (var i = 0; i < properties.length; i++) {
        evalThem(properties[i]);
    };

    return obj;
}

$.fn.form2json = function () {
    var serializedParams = this.serialize();
    //console.log(serializedParams)
    var obj = paramString2obj(serializedParams);
    var str = decodeURIComponent(JSON.stringify(obj))
    return $.parseJSON(str);
}
//$.fn.form2json = function () {
//    var serializedParams = this.serialize();
//    var obj = paramString2obj(serializedParams);
//    return JSON.stringify(obj);
//}