做网站的好处在哪里,网站在什么地方设关键词,制定营销推广方案,一键做网站关于json的操作#xff0c;网上一搜一大把。避免重复造轮子#xff0c;整理发布一个笔者在项目开发中经常用到的一个json实用帮助类#xff0c;泛型实现#xff0c;非常方便。不废话了#xff0c;贴代码#xff1a;1、json操作的帮助类#xff1a; Codeusing System;usi…关于json的操作网上一搜一大把。避免重复造轮子整理发布一个笔者在项目开发中经常用到的一个json实用帮助类泛型实现非常方便。不废话了贴代码1、json操作的帮助类 Codeusing System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Reflection;using System.IO;using System.Runtime.Serialization.Json;using System.Web.Script.Serialization;namespace DotNet.Common.Util{ /// summary /// Json操作帮助类 /// /summary public static class JsonHelper { #region DataContractJsonSerializer /// summary /// 对象转换成json /// /summary /// typeparam nameT/typeparam /// param namejsonObject需要格式化的对象/param /// returnsJson字符串/returns public static string DataContractJsonSerializeT(T jsonObject) { DataContractJsonSerializer serializer new DataContractJsonSerializer(typeof(T)); string json null; using (MemoryStream ms new MemoryStream()) //定义一个stream用来存发序列化之后的内容 { serializer.WriteObject(ms, jsonObject); json Encoding.UTF8.GetString(ms.GetBuffer()); //将stream读取成一个字符串形式的数据并且返回 ms.Close(); } return json; } /// summary /// json字符串转换成对象 /// /summary /// typeparam nameT/typeparam /// param namejson要转换成对象的json字符串/param /// returns/returns public static T DataContractJsonDeserializeT(string json) { DataContractJsonSerializer serializer new DataContractJsonSerializer(typeof(T)); T obj default(T); using (MemoryStream ms new MemoryStream(Encoding.UTF8.GetBytes(json))) { obj (T)serializer.ReadObject(ms); ms.Close(); } return obj; } #endregion #region JavaScriptSerializer ms这里的两个方法已经out了 //“System.Web.Script.Serialization.JavaScriptSerializer.JavaScriptSerializer()”已过时: //“The recommended alternative is System.Runtime.Serialization.DataContractJsonSerializer.” /// summary /// 对象转换成json /// /summary /// typeparam nameT/typeparam /// param namejsonObject/param /// returns/returns public static string JavaScriptSerializeT(T jsonObject) { JavaScriptSerializer serializer new JavaScriptSerializer(); StringBuilder sb new StringBuilder(); serializer.Serialize(jsonObject, sb); return sb.ToString(); } /// summary /// json字符串转换成对象 /// /summary /// typeparam nameT/typeparam /// param namejson/param /// returns/returns public static T JavaScriptDeserializeT(string json) { var result new JavaScriptSerializer().DeserializeT(json); return (T)result; } #endregion }} ps需要添加System.ServiceModel.Web和System.Runtime.Serialization两个引用。ps1对时间、DataTable等特殊类型没有单独列出处理。2、在页面中的调用方式如下 Codeusing System;using System.Collections.Generic;using System.Linq;using System.Web;using System.Web.UI;using System.Web.UI.WebControls;using System.Text;namespace WebTest{ using DotNet.Common.WebForm; using DotNet.Common.Model; using EntCor.Hrm.Model; using DotNet.Common.Util; public partial class JsonTest : BasePage { protected void Page_Load(object sender, EventArgs e) { if (!IsPostBack) { Company company new Company { ID 123456789, CompanyName test }; ListEmployee listEmployees new ListEmployee(); Employee employee new Employee { ID 1, UserName jeff wong, Password 123456, Address 北京, Birthday DateTime.Now.AddYears(-25), IsLeave false, RealName 测试用户, State 2 }; listEmployees.Add(employee); employee new Employee { ID 2, UserName jeffery zhao, Password 654321, Address 上海, Birthday DateTime.Now.AddYears(-25), IsLeave false, RealName 测试用户2, State 2 }; listEmployees.Add(employee); company.Employees listEmployees; //对象序列化为json string jsonStr DotNet.Common.Util.JsonHelper.DataContractJsonSerializeCompany(company);//等价于过时的 string jsonStr DotNet.Common.Util.JsonHelper.JavaScriptSerializeCompany(company); this.ltrContext.Text jsonStr; //json字符串反序列化为对象 Company jsonCompany DotNet.Common.Util.JsonHelper.DataContractJsonDeserializeCompany(jsonStr); Company jsonJsCompany DotNet.Common.Util.JsonHelper.JavaScriptDeserializeCompany(jsonStr); //过时了 Response.Write(公司id:jsonCompany.ID); Response.Write(br/br/公司id: jsonJsCompany.ID); } } }} psCompany和Employee分别对应公司类和员工类。 关于json的其他学习资源推荐JSON In Code 和JSONdemo下载地址demo转载于:https://www.cnblogs.com/jeffwongishandsome/archive/2009/10/14/1543917.html
