69 lines
2.1 KiB
C#
69 lines
2.1 KiB
C#
using IRaCIS.Core.Infrastructure.NewtonsoftJson;
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using Newtonsoft.Json;
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using Newtonsoft.Json.Serialization;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Reflection;
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namespace IRaCIS.Core.API
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{
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public class NullToEmptyStringResolver : DefaultContractResolver
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{
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/// <summary>
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/// 创建属性
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/// </summary>
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/// <param name="type">类型</param>
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/// <param name="memberSerialization">序列化成员</param>
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/// <returns></returns>
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//protected override IList<JsonProperty> CreateProperties(Type type, MemberSerialization memberSerialization)
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//{
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// IList<JsonProperty> properties = base.CreateProperties(type, memberSerialization);
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// foreach (var jsonProperty in properties)
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// {
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// jsonProperty.DefaultValue = new NullToEmptyStringValueProvider(jsonProperty);
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// }
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// return properties;
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//}
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protected override IList<JsonProperty> CreateProperties(Type type, MemberSerialization memberSerialization)
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{
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// 检查类是否有 LowerCamelCaseJsonAttribute 标记 有的话，属性名小写
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if (type.GetCustomAttribute<LowerCamelCaseJsonAttribute>() != null)
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{
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base.NamingStrategy = new LowerCamelCaseNamingStrategy();
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}
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else
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{
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base.NamingStrategy = null;
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}
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IList<JsonProperty> properties = base.CreateProperties(type, memberSerialization);
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var list = type.GetProperties()
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.Select(p =>
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{
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var jp = base.CreateProperty(p, memberSerialization);
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jp.ValueProvider = new NullToEmptyStringValueProvider(p);
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return jp;
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}).ToList();
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var uu = list.Select(t => t.PropertyName).ToList();
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//获取复杂对象属性
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properties = properties.TakeWhile(t => !uu.Contains(t.PropertyName)).ToList();
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list.AddRange(properties);
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return list;
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}
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}
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}
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