ASP.net解析JSON

Posted 2020-08-30 晴天天晴

using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;

using System.Web.UI;

using System.Web.UI.WebControls;

using System.Web.Script.Serialization;    //导入解析Json的类

 

 

public partial class _Default : System.Web.UI.Page

{

    protected void Page_Load(object sender, EventArgs e)

    {

        string JSON = "{‘info‘:[{‘title‘:‘list1‘,‘url‘:‘/upload/209/20120814163339890.png‘},{‘title‘:‘离职申请表‘,‘url‘:‘/upload/209/20120814163339968.xls‘},{‘title‘:‘申请表‘,‘url‘:‘/upload/209/20120814163340046.doc‘},{‘title‘:‘室内‘,‘url‘:‘/upload/209/20120814163340156.jpg‘},{‘title‘:‘心电图‘,‘url‘:‘/upload/209/20120814163340218.gif‘},{‘title‘:‘新建 文本文档‘,‘url‘:‘/upload/209/20120814163340281.txt‘}]}";

        javascriptSerializer serializer = new JavaScriptSerializer();

        Dictionary<string, object> json = (Dictionary<string, object>)serializer.DeserializeObject(JSON);

        object[] info = (object[])json["info"];

        Dictionary<string, object> val;

        Dictionary<int, string> Objs = null;

        Dictionary<int, string> fileOldName = null;

        for (int i = 0; i < info.Length; i++)

        {

 

            val = (Dictionary<string, object>)info[i];

 

            foreach (KeyValuePair<string, object> str in val)

            {

                //保存信息到 session

                if (Session["bigfile_info"] == null)

                {

                    Objs = new Dictionary<int, string>();

                    Session["bigfile_info"] = Objs;

                }

                 

                if (Session["file_name"] == null)

                {

                    fileOldName = new Dictionary<int, string>();

                    Session["file_name"] = fileOldName;

                }

 

                if (str.Key.Equals("title"))

                {

                    fileOldName[i + 1] = str.Value.ToString();

                }

 

                if (str.Key.Equals("url"))

                {

                    Objs[i + 1] = str.Value.ToString();

                }

            }

 

        }

        Session["bigfile_info"] = Objs;

        Session["file_name"] = fileOldName;

 

        if (Session["file_name"] != null)

        {

            Objs = (Dictionary<int, string>)Session["file_name"];

            foreach (int i in Objs.Keys)

            {

                lblJson.Text += Objs[i];

            }

        }

 

    }

}