发布:2022/8/31 21:17:33作者:管理员 来源:本站 浏览次数:1472
问题遇到的现象和发生背景
System.Web.Extensions.dll和Newtonsoft.Json.dll在.NET 6.0下是不能用了吗?为什么找不到支持.NET6.0版本的dll,而且每次使用低版本就报下面这个错误:
img
Unhandled exception. System.IO.FileNotFoundException: Could not load file or assembly 'System.Security.Permissions, Version=0.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51'. 系统找不到指定的文件。
File name: 'System.Security.Permissions, Version=0.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51'
at Newtonsoft.Json.Serialization.JsonTypeReflector.get_DynamicCodeGeneration()
at Newtonsoft.Json.Serialization.JsonTypeReflector.get_ReflectionDelegateFactory()
at Newtonsoft.Json.Serialization.DefaultContractResolver.GetDefaultCreator(Type createdType)
at Newtonsoft.Json.Serialization.DefaultContractResolver.InitializeContract(JsonContract contract)
at Newtonsoft.Json.Serialization.DefaultContractResolver.CreateObjectContract(Type objectType)
at Newtonsoft.Json.Serialization.DefaultContractResolver.CreateContract(Type objectType)
at System.Collections.Concurrent.ConcurrentDictionary`2.GetOrAdd(TKey key, Func`2 valueFactory)
at Newtonsoft.Json.Utilities.ThreadSafeStore`2.Get(TKey key)
at Newtonsoft.Json.Serialization.DefaultContractResolver.ResolveContract(Type type)
at Newtonsoft.Json.Serialization.JsonSerializerInternalWriter.GetContract(Object value)
at Newtonsoft.Json.Serialization.JsonSerializerInternalWriter.GetContractSafe(Object value)
at Newtonsoft.Json.Serialization.JsonSerializerInternalWriter.Serialize(JsonWriter jsonWriter, Object value, Type objectType)
at Newtonsoft.Json.JsonSerializer.SerializeInternal(JsonWriter jsonWriter, Object value, Type objectType)
at Newtonsoft.Json.JsonSerializer.Serialize(JsonWriter jsonWriter, Object value, Type objectType)
at Newtonsoft.Json.JsonConvert.SerializeObjectInternal(Object value, Type type, JsonSerializer jsonSerializer)
at Newtonsoft.Json.JsonConvert.SerializeObject(Object value, Type type, JsonSerializerSettings settings)
at Newtonsoft.Json.JsonConvert.SerializeObject(Object value)
at Game.MainClass.Main(String[] args) in E:\My Project Directory\Visual Studio Project\Test\Test\Program.cs:line 15
问题相关代码,请勿粘贴截图
using System;
using Newtonsoft.Json;
namespace Game
{
class MainClass
{
public static void Main(string[] args)
{
Player player = new Player();
player.id = 1;
player.name = "player";
player.coin = 100;
string m1 = JsonConvert.SerializeObject(player);
Player m2 = JsonConvert.DeserializeObject<Player>(m1);
Console.WriteLine(m1);
Console.WriteLine(m2.ToString());
}
}
}
.net6 使用JsonSerializer
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