130 lines
4.2 KiB
C#
130 lines
4.2 KiB
C#
using Newtonsoft.Json;
|
|
using System;
|
|
using System.Collections.Generic;
|
|
using System.IO;
|
|
using System.Linq;
|
|
using System.Text;
|
|
using System.Threading.Tasks;
|
|
|
|
namespace MyCode.Project.Infrastructure.Common
|
|
{
|
|
public class JsonHelper
|
|
{
|
|
/// <summary>
|
|
/// Json序列化器
|
|
/// </summary>
|
|
static readonly JsonSerializer JsonSerializer = new JsonSerializer();
|
|
|
|
#region ToObject<T>(将Json字符串转换为对象)
|
|
/// <summary>
|
|
/// 将Json字符串转换为对象
|
|
/// </summary>
|
|
/// <param name="json">Json字符串</param>
|
|
public static T ToObject<T>(string json)
|
|
{
|
|
if (string.IsNullOrWhiteSpace(json))
|
|
return default(T);
|
|
return JsonConvert.DeserializeObject<T>(json);
|
|
}
|
|
#endregion
|
|
|
|
#region ObjectToByte(将对象转换成字节数组)
|
|
public static byte[] ObjectToByte(object obj)
|
|
{
|
|
|
|
var typeName = Reflection.GetTypeName(obj.GetType());
|
|
|
|
//if (typeName.IndexOf("System.String") != -1) { return System.Text.Encoding.Default.GetBytes(obj.ToString()); }
|
|
|
|
using (var ms = new MemoryStream())
|
|
{
|
|
using (var tw = new StreamWriter(ms))
|
|
{
|
|
using (var jw = new JsonTextWriter(tw))
|
|
{
|
|
jw.WriteStartArray();// [
|
|
jw.WriteValue(typeName);// "type"
|
|
|
|
if (typeName.IndexOf("System.String") != -1)
|
|
{
|
|
jw.WriteValue(obj.ToString());// obj
|
|
}
|
|
else
|
|
{
|
|
JsonSerializer.Serialize(jw, obj);// obj
|
|
}
|
|
|
|
jw.WriteEndArray();// ]
|
|
jw.Flush();
|
|
|
|
return ms.ToArray();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
#endregion
|
|
|
|
#region ToObject(字节数组转成对象)
|
|
/// <summary>
|
|
/// 反序列化对象
|
|
/// </summary>
|
|
/// <param name="value">值</param>
|
|
/// <returns></returns>
|
|
public static object ToObject(byte[] value)
|
|
{
|
|
|
|
using (var ms = new MemoryStream(value, writable: false))
|
|
{
|
|
using (var tr = new StreamReader(ms))
|
|
{
|
|
using (var jr = new JsonTextReader(tr))
|
|
{
|
|
jr.Read();
|
|
if (jr.TokenType == JsonToken.StartArray)
|
|
{
|
|
// 读取类型
|
|
var typeName = jr.ReadAsString();
|
|
var type = Type.GetType(typeName, throwOnError: true);// 获取类型
|
|
// 读取对象
|
|
jr.Read();
|
|
|
|
if (type.Name == "String") { return jr.Value; }
|
|
|
|
return JsonSerializer.Deserialize(jr, type);
|
|
}
|
|
else if (jr.TokenType == JsonToken.StartObject)
|
|
{
|
|
|
|
return null;
|
|
}
|
|
else
|
|
{
|
|
throw new InvalidDataException("JsonTranscoder 仅支持 [\"TypeName\", object]");
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
#endregion
|
|
|
|
#region ToJson(将对象转换为Json字符串)
|
|
/// <summary>
|
|
/// 将对象转换为Json字符串
|
|
/// </summary>
|
|
/// <param name="target">目标对象</param>
|
|
/// <param name="isConvertToSingleQuotes">是否将双引号转成单引号</param>
|
|
public static string ToJson(object target, bool isConvertToSingleQuotes = false)
|
|
{
|
|
if (target == null)
|
|
return "{}";
|
|
var result = JsonConvert.SerializeObject(target);
|
|
if (isConvertToSingleQuotes)
|
|
result = result.Replace("\"", "'");
|
|
return result;
|
|
}
|
|
#endregion
|
|
|
|
|
|
}
|
|
}
|