2025-07-27 23:34:01 +08:00
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using Newtonsoft.Json;
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using Newtonsoft.Json.Linq;
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using Newtonsoft.Json.Serialization;
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using Serein.Library.Api;
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2025-08-02 12:09:36 +08:00
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using System.Diagnostics.CodeAnalysis;
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2025-07-27 23:34:01 +08:00
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namespace Serein.Extend.NewtonsoftJson
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{
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/// <summary>
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/// 基于Newtonsoft.Json的IJsonProvider实现
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/// </summary>
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public sealed class NewtonsoftJsonProvider : IJsonProvider
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{
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private JsonSerializerSettings? settings;
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/// <summary>
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/// 基于Newtonsoft.Json的JSON门户实现,默认首字母小写、忽略null
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/// </summary>
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public NewtonsoftJsonProvider()
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{
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settings = new JsonSerializerSettings
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{
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ContractResolver = new CamelCasePropertyNamesContractResolver(), // 控制首字母小写
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NullValueHandling = NullValueHandling.Ignore // 可选:忽略 null
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2025-07-27 23:34:01 +08:00
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};
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}
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2025-09-04 10:39:57 +08:00
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/// <summary>
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/// 使用自定义的序列化设置
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/// </summary>
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/// <param name="settings"></param>
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public NewtonsoftJsonProvider(JsonSerializerSettings settings)
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{
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this.settings = settings;
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}
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/// <summary>
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/// 反序列化JSON文本为指定类型的对象。
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/// </summary>
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/// <typeparam name="T"></typeparam>
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/// <param name="jsonText"></param>
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/// <returns></returns>
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public T? Deserialize<T>(string jsonText)
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{
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return JsonConvert.DeserializeObject<T>(jsonText, settings);
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}
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/// <summary>
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/// 反序列化JSON文本为指定类型的对象。
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/// </summary>
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/// <param name="jsonText"></param>
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/// <param name="type"></param>
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/// <returns></returns>
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public object? Deserialize(string jsonText, Type type)
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{
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return JsonConvert.DeserializeObject(jsonText, type, settings);
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}
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/// <summary>
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/// 序列化对象为JSON文本。
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/// </summary>
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/// <param name="obj"></param>
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/// <returns></returns>
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public string Serialize(object obj)
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{
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return JsonConvert.SerializeObject(obj, settings);
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}
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/// <summary>
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/// 将JSON文本解析为IJsonToken对象。
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/// </summary>
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/// <param name="json"></param>
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/// <returns></returns>
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public IJsonToken Parse(string json)
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{
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return NewtonsoftJsonTokenFactory.Parse(json);
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}
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/// <summary>
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/// 尝试解析JSON文本为IJsonToken对象,如果成功则返回true,并通过out参数返回解析后的对象。
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/// </summary>
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/// <param name="json"></param>
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/// <param name="jsonToken"></param>
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/// <returns></returns>
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public bool TryParse(string json, [NotNullWhen(true)] out IJsonToken? jsonToken)
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{
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try
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{
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jsonToken = NewtonsoftJsonTokenFactory.Parse(json);
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return true;
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}
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catch (Exception)
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{
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jsonToken = null!;
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return false;
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}
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}
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/// <summary>
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/// 创建一个新的JSON数组对象。
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/// </summary>
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/// <param name="values"></param>
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/// <returns></returns>
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public IJsonToken CreateObject(IDictionary<string, object>? values = null)
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{
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var jobj = values != null ? JObject.FromObject(values) : new JObject();
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return new NewtonsoftJsonObjectToken(jobj);
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}
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/// <summary>
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/// 创建一个新的JSON数组。
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/// </summary>
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/// <param name="values"></param>
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/// <returns></returns>
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public IJsonToken CreateArray(IEnumerable<object>? values = null)
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{
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var jarr = values != null ? JArray.FromObject(values) : new JArray();
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return new NewtonsoftJsonArrayToken(jarr);
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}
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/// <summary>
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/// 将对象转换为IJsonToken。
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/// </summary>
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/// <param name="obj"></param>
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/// <returns></returns>
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public IJsonToken FromObject(object obj)
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{
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var token = JObject.FromObject(obj);
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return new NewtonsoftJsonObjectToken(token);
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}
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}
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}
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