mirror of
https://gitee.com/ThingsGateway/ThingsGateway.git
synced 2025-10-20 10:50:48 +08:00
507 lines
17 KiB
C#
507 lines
17 KiB
C#
//------------------------------------------------------------------------------
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// 此代码版权声明为全文件覆盖，如有原作者特别声明，会在下方手动补充
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// 此代码版权（除特别声明外的代码）归作者本人Diego所有
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// 源代码使用协议遵循本仓库的开源协议及附加协议
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// Gitee源代码仓库：https://gitee.com/diego2098/ThingsGateway
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// Github源代码仓库：https://github.com/kimdiego2098/ThingsGateway
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// 使用文档：https://thingsgateway.cn/
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// QQ群：605534569
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//------------------------------------------------------------------------------
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#if NET6_0_OR_GREATER
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using System.Collections.Concurrent;
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using System.ComponentModel;
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using System.Reflection;
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using System.Runtime.CompilerServices;
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using System.Text.Json;
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using System.Text.RegularExpressions;
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using ThingsGateway.Extension;
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namespace ThingsGateway.Common.Extension;
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/// <summary>
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/// 对象拓展类
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/// </summary>
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public static class ObjectExtensions
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{
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/// <summary>
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/// 判断类型是否实现某个泛型
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/// </summary>
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/// <param name="type">类型</param>
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/// <param name="generic">泛型类型</param>
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/// <returns>bool</returns>
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public static bool HasImplementedRawGeneric(this Type type, Type generic)
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{
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// 检查接口类型
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var isTheRawGenericType = type.GetInterfaces().Any(IsTheRawGenericType);
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if (isTheRawGenericType) return true;
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// 检查类型
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while (type != null && type != typeof(object))
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{
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isTheRawGenericType = IsTheRawGenericType(type);
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if (isTheRawGenericType) return true;
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type = type.BaseType!;
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}
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return false;
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// 判断逻辑
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bool IsTheRawGenericType(Type type) => generic == (type.IsGenericType ? type.GetGenericTypeDefinition() : type);
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}
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/// <summary>
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/// 合并两个字典
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/// </summary>
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/// <typeparam name="T"></typeparam>
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/// <param name="dic">字典</param>
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/// <param name="newDic">新字典</param>
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/// <returns></returns>
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internal static Dictionary<string, T> AddOrUpdate<T>(this Dictionary<string, T> dic, IDictionary<string, T> newDic)
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{
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foreach (var key in newDic.Keys)
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{
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if (dic.TryGetValue(key, out var value))
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{
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dic[key] = value;
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}
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else
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{
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dic.Add(key, newDic[key]);
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}
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}
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return dic;
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}
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/// <summary>
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/// 合并两个字典
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/// </summary>
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/// <typeparam name="T"></typeparam>
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/// <param name="dic">字典</param>
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/// <param name="newDic">新字典</param>
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internal static void AddOrUpdate<T>(this NonBlockingDictionary<string, T> dic, Dictionary<string, T> newDic)
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{
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foreach (var (key, value) in newDic)
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{
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dic.AddOrUpdate(key, value, (key, old) => value);
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}
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}
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/// <summary>
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/// 将一个对象转换为指定类型
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/// </summary>
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/// <typeparam name="T"></typeparam>
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/// <param name="obj"></param>
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/// <returns></returns>
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internal static T ChangeType<T>(this object obj)
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{
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return (T)ChangeType(obj, typeof(T));
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}
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/// <summary>
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/// 将一个对象转换为指定类型
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/// </summary>
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/// <param name="obj">待转换的对象</param>
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/// <param name="type">目标类型</param>
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/// <returns>转换后的对象</returns>
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public static object? ChangeType(this object? obj, Type type)
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{
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if (type == null) return obj;
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if (type == typeof(string)) return obj?.ToString();
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if (type == typeof(Guid) && obj != null) return Guid.Parse(obj.ToString());
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if (type == typeof(bool) && obj != null && obj is not bool)
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{
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var objStr = obj.ToString().ToLower();
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if (objStr == "1" || objStr == "true" || objStr == "yes" || objStr == "on") return true;
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return false;
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}
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if (obj == null) return type.IsValueType ? Activator.CreateInstance(type) : null;
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var underlyingType = Nullable.GetUnderlyingType(type);
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if (type.IsAssignableFrom(obj.GetType())) return obj;
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else if ((underlyingType ?? type).IsEnum)
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{
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if (underlyingType != null && string.IsNullOrWhiteSpace(obj.ToString())) return null;
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else return Enum.Parse(underlyingType ?? type, obj.ToString());
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}
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// 处理 DateTime -> DateTimeOffset 类型
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else if (obj.GetType().Equals(typeof(DateTime)) && (underlyingType ?? type).Equals(typeof(DateTimeOffset)))
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{
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return ((DateTime)obj).ConvertToDateTimeOffset();
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}
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// 处理 DateTimeOffset -> DateTime 类型
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else if (obj.GetType().Equals(typeof(DateTimeOffset)) && (underlyingType ?? type).Equals(typeof(DateTime)))
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{
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return ((DateTimeOffset)obj).ConvertToDateTime();
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}
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// 处理 DateTime -> DateOnly 类型
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else if (obj.GetType().Equals(typeof(DateTime)) && (underlyingType ?? type).Equals(typeof(DateOnly)))
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{
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return DateOnly.FromDateTime(((DateTime)obj));
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}
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// 处理 DateTime -> TimeOnly 类型
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else if (obj.GetType().Equals(typeof(DateTime)) && (underlyingType ?? type).Equals(typeof(TimeOnly)))
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{
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return TimeOnly.FromDateTime(((DateTime)obj));
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}
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else if (typeof(IConvertible).IsAssignableFrom(underlyingType ?? type))
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{
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try
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{
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return Convert.ChangeType(obj, underlyingType ?? type, null);
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}
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catch
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{
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return underlyingType == null ? Activator.CreateInstance(type) : null;
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}
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}
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else
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{
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var converter = TypeDescriptor.GetConverter(type);
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if (converter.CanConvertFrom(obj.GetType())) return converter.ConvertFrom(obj);
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var constructor = type.GetConstructor(Type.EmptyTypes);
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if (constructor != null)
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{
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var o = constructor.Invoke(null);
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var propertys = type.GetProperties();
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var oldType = obj.GetType();
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foreach (var property in propertys)
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{
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var p = oldType.GetProperty(property.Name);
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if (property.CanWrite && p?.CanRead == true)
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{
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property.SetValue(o, ChangeType(p.GetValue(obj, null), property.PropertyType), null);
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}
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}
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return o;
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}
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}
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return obj;
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}
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/// <summary>
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/// 清除字符串前后缀
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/// </summary>
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/// <param name="str">字符串</param>
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/// <param name="pos">0：前后缀，1：后缀，-1：前缀</param>
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/// <param name="affixes">前后缀集合</param>
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/// <returns></returns>
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internal static string ClearStringAffixes(this string str, int pos = 0, params string[] affixes)
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{
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// 空字符串直接返回
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if (string.IsNullOrWhiteSpace(str)) return str;
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// 空前后缀集合直接返回
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if (affixes == null || affixes.Length == 0) return str;
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var startCleared = false;
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var endCleared = false;
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string tempStr = null;
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foreach (var affix in affixes)
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{
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if (string.IsNullOrWhiteSpace(affix)) continue;
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if (pos != 1 && !startCleared && str.StartsWith(affix, StringComparison.OrdinalIgnoreCase))
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{
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tempStr = str[affix.Length..];
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startCleared = true;
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}
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if (pos != -1 && !endCleared && str.EndsWith(affix, StringComparison.OrdinalIgnoreCase))
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{
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var _tempStr = !string.IsNullOrWhiteSpace(tempStr) ? tempStr : str;
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tempStr = _tempStr[..^affix.Length];
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endCleared = true;
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if (string.IsNullOrWhiteSpace(tempStr))
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{
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tempStr = null;
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endCleared = false;
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}
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}
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if (startCleared && endCleared) break;
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}
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return !string.IsNullOrWhiteSpace(tempStr) ? tempStr : str;
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}
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/// <summary>
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/// 将时间戳转换为 DateTime
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/// </summary>
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/// <param name="timestamp"></param>
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/// <returns></returns>
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internal static DateTime ConvertToDateTime(this long timestamp)
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{
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var timeStampDateTime = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc);
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var digitCount = (int)Math.Floor(Math.Log10(timestamp) + 1);
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if (digitCount != 13 && digitCount != 10)
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{
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throw new ArgumentException("Data is not a valid timestamp format.");
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}
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return (digitCount == 13
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? timeStampDateTime.AddMilliseconds(timestamp) // 13 位时间戳
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: timeStampDateTime.AddSeconds(timestamp)).ToLocalTime(); // 10 位时间戳
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}
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/// <summary>
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/// 格式化字符串
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/// </summary>
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/// <param name="str"></param>
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/// <param name="args"></param>
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/// <returns></returns>
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internal static string Format(this string str, params object[] args)
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{
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return args == null || args.Length == 0 ? str : string.Format(str, args);
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}
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/// <summary>
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/// 获取所有祖先类型
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/// </summary>
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/// <param name="type"></param>
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/// <returns></returns>
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internal static IEnumerable<Type> GetAncestorTypes(this Type type)
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{
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var ancestorTypes = new List<Type>();
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while (type != null && type != typeof(object))
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{
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if (IsNoObjectBaseType(type))
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{
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var baseType = type.BaseType;
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ancestorTypes.Add(baseType);
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type = baseType;
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}
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else break;
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}
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return ancestorTypes;
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static bool IsNoObjectBaseType(Type type) => type.BaseType != typeof(object);
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}
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/// <summary>
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/// 查找方法指定特性，如果没找到则继续查找声明类
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/// </summary>
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/// <typeparam name="TAttribute"></typeparam>
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/// <param name="method"></param>
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/// <param name="inherit"></param>
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/// <returns></returns>
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public static TAttribute GetFoundAttribute<TAttribute>(this MethodInfo method, bool inherit)
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where TAttribute : Attribute
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{
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// 获取方法所在类型
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var declaringType = method.DeclaringType;
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var attributeType = typeof(TAttribute);
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// 判断方法是否定义指定特性，如果没有再查找声明类
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var foundAttribute = method.IsDefined(attributeType, inherit)
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? method.GetCustomAttribute<TAttribute>(inherit)
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: (
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declaringType.IsDefined(attributeType, inherit)
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? declaringType.GetCustomAttribute<TAttribute>(inherit)
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: default
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);
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return foundAttribute;
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}
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/// <summary>
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/// 获取方法真实返回类型
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/// </summary>
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/// <param name="method"></param>
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/// <returns></returns>
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internal static Type GetRealReturnType(this MethodInfo method)
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{
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// 判断是否是异步方法
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var isAsyncMethod = method.IsAsync();
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// 获取类型返回值并处理 Task 和 Task<T> 类型返回值
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var returnType = method.ReturnType;
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return isAsyncMethod ? (returnType.GenericTypeArguments.FirstOrDefault() ?? typeof(void)) : returnType;
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}
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/// <summary>
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/// 获取类型自定义特性
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/// </summary>
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/// <typeparam name="TAttribute">特性类型</typeparam>
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/// <param name="type">类类型</param>
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/// <param name="inherit">是否继承查找</param>
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/// <returns>特性对象</returns>
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internal static TAttribute GetTypeAttribute<TAttribute>(this Type type, bool inherit = false)
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where TAttribute : Attribute
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{
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// 空检查
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ArgumentNullException.ThrowIfNull(type);
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// 检查特性并获取特性对象
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return type.IsDefined(typeof(TAttribute), inherit)
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? type.GetCustomAttribute<TAttribute>(inherit)
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: default;
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}
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/// <summary>
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/// 判断是否是匿名类型
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/// </summary>
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/// <param name="obj">对象</param>
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/// <returns></returns>
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internal static bool IsAnonymous(this object obj)
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{
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var type = obj is Type t ? t : obj.GetType();
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return Attribute.IsDefined(type, typeof(CompilerGeneratedAttribute), false)
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&& type.IsGenericType && type.Name.Contains("AnonymousType")
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&& (type.Name.StartsWith("<>") || type.Name.StartsWith("VB$"))
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&& type.Attributes.HasFlag(TypeAttributes.NotPublic);
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}
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/// <summary>
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/// 判断方法是否是异步
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/// </summary>
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/// <param name="method">方法</param>
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/// <returns></returns>
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internal static bool IsAsync(this MethodInfo method)
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{
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return method.GetCustomAttribute<AsyncMethodBuilderAttribute>() != null
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|| method.ReturnType.ToString().StartsWith(typeof(Task).FullName);
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}
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/// <summary>
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/// 判断集合是否为空
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/// </summary>
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/// <typeparam name="T">元素类型</typeparam>
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/// <param name="collection">集合对象</param>
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/// <returns><see cref="bool"/> 实例，true 表示空集合，false 表示非空集合</returns>
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internal static bool IsEmpty<T>(this IEnumerable<T> collection)
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{
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return collection?.Any() != true;
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}
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/// <summary>
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/// 判断是否是富基元类型
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/// </summary>
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/// <param name="type">类型</param>
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/// <returns></returns>
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public static bool IsRichPrimitive(this Type? type)
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{
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if (type == null) return false;
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// 处理元组类型
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if (type.IsValueTuple()) return false;
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// 处理数组类型，基元数组类型也可以是基元类型
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if (type.IsArray) return type.GetElementType()?.IsRichPrimitive() ?? false;
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// 基元类型或值类型或字符串类型
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if (type.IsPrimitive || type.IsValueType || type == typeof(string)) return true;
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if (type.IsGenericType && type.GetGenericTypeDefinition() == typeof(Nullable<>)) return type.GenericTypeArguments[0].IsRichPrimitive();
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return false;
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}
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/// <summary>
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/// 判断是否是元组类型
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/// </summary>
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/// <param name="type">类型</param>
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/// <returns></returns>
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internal static bool IsValueTuple(this Type type)
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{
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return type.Namespace == "System" && type.Name.Contains("ValueTuple`");
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}
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/// <summary>
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/// 切割骆驼命名式字符串
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/// </summary>
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/// <param name="str"></param>
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/// <returns></returns>
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internal static string[] SplitCamelCase(this string str)
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{
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if (str == null) return Array.Empty<string>();
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if (string.IsNullOrWhiteSpace(str)) return [str];
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if (str.Length == 1) return [str];
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return Regex.Split(str, @"(?=\p{Lu}\p{Ll})|(?<=\p{Ll})(?=\p{Lu})")
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.Where(u => u.Length > 0)
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.ToArray();
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}
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/// <summary>
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/// 首字母小写
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/// </summary>
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/// <param name="str"></param>
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/// <returns></returns>
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internal static string ToLowerCamelCase(this string str)
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{
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if (string.IsNullOrWhiteSpace(str)) return str;
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return string.Concat(str[0].ToString().ToLower(), str.AsSpan(1));
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}
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/// <summary>
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/// JsonElement 转 Object
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/// </summary>
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/// <param name="jsonElement"></param>
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/// <returns></returns>
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internal static object ToObject(this JsonElement jsonElement)
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{
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switch (jsonElement.ValueKind)
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{
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case JsonValueKind.String:
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return jsonElement.GetString();
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case JsonValueKind.Undefined:
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case JsonValueKind.Null:
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return default;
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case JsonValueKind.Number:
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return jsonElement.GetDecimal();
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case JsonValueKind.True:
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case JsonValueKind.False:
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return jsonElement.GetBoolean();
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case JsonValueKind.Object:
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var enumerateObject = jsonElement.EnumerateObject();
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var dic = new Dictionary<string, object>();
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foreach (var item in enumerateObject)
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{
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dic.Add(item.Name, item.Value.ToObject());
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}
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return dic;
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case JsonValueKind.Array:
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var enumerateArray = jsonElement.EnumerateArray();
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var list = new List<object>();
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foreach (var item in enumerateArray)
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{
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list.Add(item.ToObject());
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}
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return list;
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default:
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return default;
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}
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}
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/// <summary>
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/// 首字母大写
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/// </summary>
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/// <param name="str"></param>
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/// <returns></returns>
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internal static string ToUpperCamelCase(this string str)
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{
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if (string.IsNullOrWhiteSpace(str)) return str;
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return string.Concat(str[0].ToString().ToUpper(), str.AsSpan(1));
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}
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}
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#endif |