SqlSugarExtensions扩展优化
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@ -4,46 +4,38 @@ public static class SqlSugarExtensions
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{
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private const string DefaultTenantId = "1300000000001";
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public static ISqlSugarClient ForTenant<TEntity>(
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this ISqlSugarClient db)
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public static ISqlSugarClient ForTenant<TEntity>(this ISqlSugarClient db)
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{
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var attr = typeof(TEntity).GetCustomAttribute<TenantAttribute>();
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// 当特性不存在时使用默认租户
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if (attr == null)
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{
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return db.AsTenant().GetConnection(DefaultTenantId);
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}
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// 反射获取租户ID(兼容多种字段命名)
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var tenantId = GetTenantIdFromAttribute(attr) ?? DefaultTenantId;
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return db.AsTenant().GetConnection(tenantId);
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var tenantId = attr != null ? GetConfigIdFromAttribute(attr) : DefaultTenantId;
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return db.AsTenant().GetConnection(tenantId ?? DefaultTenantId);
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}
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private static string GetTenantIdFromAttribute(TenantAttribute attr)
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private static string GetConfigIdFromAttribute(TenantAttribute attr)
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{
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const string tenantIdKey = "TenantId";
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const string targetKey = "configId";
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var type = attr.GetType();
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// 尝试通过属性获取
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var prop = type.GetProperty(tenantIdKey, BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic);
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// 方式1:尝试通过属性获取
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var prop = type.GetProperty(targetKey,
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BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic);
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if (prop != null)
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{
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return prop.GetValue(attr) as string;
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}
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// 尝试通过私有字段获取(兼容不同命名规范)
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var fields = new[]
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// 方式2:尝试通过私有字段获取
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var fieldNames = new[]
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{
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$"<{tenantIdKey}>k__BackingField", // 编译器生成字段
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$"_{tenantIdKey.ToLower()}", // 常规私有字段
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$"m_{tenantIdKey}" // 其他可能的前缀
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$"<{targetKey}>k__BackingField", // 自动属性字段
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$"_{targetKey}", // 常规私有字段 (如_configId)
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$"m_{targetKey}", // 匈牙利命名法
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"configId" // 直接字段访问
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};
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foreach (var fieldName in fields)
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foreach (var name in fieldNames)
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{
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var field = type.GetField(fieldName,
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var field = type.GetField(name,
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BindingFlags.NonPublic | BindingFlags.Instance);
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if (field != null)
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{
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@ -51,6 +43,16 @@ public static class SqlSugarExtensions
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}
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}
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return null;
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// 方式3:通过Dynamic访问(备用方案)
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try
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{
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dynamic d = attr;
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return d.configId;
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}
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catch
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{
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return null;
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}
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}
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}
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