JSON Helper

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.ServiceModel.Web;///记得引用这个命名空间
using System.Runtime.Serialization.Json;
using System.IO;
using System.Text;

namespace Sigil.Common
{
/// <summary>
/// JSON操作类
/// </summary>
public class JsonHelper
{
/// <summary>
/// 把对象序列化 JSON 字符串
/// </summary>
/// <typeparam name="T">对象类型</typeparam>
/// <param name="obj">对象实体</param>
/// <returns>JSON字符串</returns>
public static string GetJson<T>(T obj)
{
//记住 添加引用 System.ServiceModel.Web
/**
* 如果不添加上面的引用,System.Runtime.Serialization.Json; Json是出不来的哦
* */
DataContractJsonSerializer json = new DataContractJsonSerializer(typeof(T));
using (MemoryStream ms = new MemoryStream())
{
json.WriteObject(ms, obj);
string szJson = Encoding.UTF8.GetString(ms.ToArray());
return szJson;
}
}

/// <summary>
/// Json反序列化,用于接收客户端Json后生成对应的对象
/// </summary>
/// <typeparam name="T">对象类型</typeparam>
/// <param name="jsonString">JSON字符串</param>
/// <returns>对象实体</returns>
public static T ParseFormJson<T>(string jsonString)
{
using (var ms = new MemoryStream(Encoding.UTF8.GetBytes(jsonString)))
{
return (T)new DataContractJsonSerializer(typeof(T)).ReadObject(ms);
}
}

/// <summary>
/// JSON序列化
/// </summary>
public static string JsonSerializer<T>(T t)
{
DataContractJsonSerializer ser = new DataContractJsonSerializer(typeof(T));
MemoryStream ms = new MemoryStream();
ser.WriteObject(ms, t);
string jsonString = Encoding.UTF8.GetString(ms.ToArray());
ms.Close();
return jsonString;
}

/// <summary>
/// JSON反序列化
/// </summary>
public static T JsonDeserialize<T>(string jsonString)
{
DataContractJsonSerializer ser = new DataContractJsonSerializer(typeof(T));
MemoryStream ms = new MemoryStream(Encoding.UTF8.GetBytes(jsonString));
T obj = (T)ser.ReadObject(ms);
return obj;
}
}
}
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  • 本文作者: Leo
  • 本文链接: https://xuebin.me/posts/ce9b377c.html
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