c#对象与json相互转化

最新推荐文章于 2023-09-17 04:03:41 发布

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本文介绍了一个使用JSON进行数据交互的服务示例，演示了如何解析并处理JSON数据，包括序列化与反序列化过程。

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Runtime.Serialization;
using System.ServiceModel;
using System.Text;
using System.Web.Script.Serialization;

namespace JsonDemo
{
    // NOTE: You can use the "Rename" command on the "Refactor" menu to change the class name "Service1" in code, svc and config file together.
    // NOTE: In order to launch WCF Test Client for testing this service, please select Service1.svc or Service1.svc.cs at the Solution Explorer and start debugging.
    public class Service1 : IService1
    {
        public void DoWork()
        {
        }
        /// <summary>
        /// 1）将搜索json字符串转化成对象(user)
        /// 2) 根据搜索条件获取搜索结果
        /// 3) 将搜索结果转化为json字符串返回
        /// </summary>
        /// <param name="_userJson">搜索json字符串</param>
        /// <returns>结果json字符串</returns>
        public string GetUser(string _userJson)
        {
            string resultJson = "";
            try
            {
                JavaScriptSerializer serializer = new JavaScriptSerializer();
                User user = serializer.Deserialize<User>(_userJson);
                using (DataUserDataContext du = new DataUserDataContext())
                {
                    if (user.id != 0)
                    {
                        User item = du.Users.SingleOrDefault(u => u.id.Equals(user.id));
                        if (item != null)
                        {
                            resultJson = serializer.Serialize(item);
                        }
                    }
                }
            }
            catch (Exception ex)
            {
            }
            return resultJson;
        }
    }
}