如何在前台脚本通过json传递数据到后台(使用微软自带的ajax)


首先,我们要在前台引入json的脚本,以便于把js对象序列化

<script type="text/javascript" src="/js/jquery.json-2.4.min.js"></script>

然后我们在前台声明一个类,将你要保存的值放到类里面,最后序列化

http://www.phpstudy.net/article/40764.htm

复制代码 代码如下:

protected void Page_Load(object sender, EventArgs e)
        {
            Ajax.Utility.RegisterTypeForAjax(typeof(Youjiao.xxt.BLL.Controller.AjaxController));
            if (!IsPostBack)
            {
                Databind();
            }
        }

复制代码 代码如下:

[Ajax.AjaxMethod]
        public string EditExam(string value)
        {
            string Result = "";
            try
            {
                if (HttpContext.Current.Request.IsAuthenticated)
                {
                    EditExam editExam = JsonSerializeHelper.DeserializeFromJson<EditExam>(value);
                    ExamController eController = new ExamController();
                    eController.EditExam(editExam);
                    Result = "Success";
                }
                else
                {
                    Result = "会话无效,请重登录!";
                }
            }
            catch (Exception ex)
            {
                Result = ex.Message;
            }
            return Result;
        }

图片:

复制代码 代码如下:

[Serializable]
    public class EditExam
    {
        public string ExamId { get; set; }
        public string YearTerm { get; set; }
        public string ExamType { get; set; }
        public string ExamDate { get; set; }
        public string ExamName { get; set; }
    }

这样就可以很好的避免在前台js里面传入大量的参数,后台也可以直接反序列化为类来点出成员的值了


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