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新增SqlSugar扩展（百小僧如果修复可以去除）（必须更新）解决中间件Mapper跨库查询问题

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This commit is contained in:
lqc 2025-03-12 10:05:45 +08:00
parent 807e4b1c07
commit d825c5d7e8
2 changed files with 59 additions and 3 deletions
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56
Admin.NET/Admin.NET.Core/Utils/SqlSugarExtensions.cs Normal file
View File

@ -0,0 +1,56 @@

namespace Admin.NET.Core.Utils;
public static class SqlSugarExtensions
{
private const string DefaultTenantId = "1300000000001";
public static ISqlSugarClient ForTenant<TEntity>(
this ISqlSugarClient db)
{
var attr = typeof(TEntity).GetCustomAttribute<TenantAttribute>();
// 当特性不存在时使用默认租户
if (attr == null)
{
return db.AsTenant().GetConnection(DefaultTenantId);
}
// 反射获取租户ID（兼容多种字段命名）
var tenantId = GetTenantIdFromAttribute(attr) ?? DefaultTenantId;
return db.AsTenant().GetConnection(tenantId);
}
private static string GetTenantIdFromAttribute(TenantAttribute attr)
{
const string tenantIdKey = "TenantId";
var type = attr.GetType();
// 尝试通过属性获取
var prop = type.GetProperty(tenantIdKey, BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic);
if (prop != null)
{
return prop.GetValue(attr) as string;
}
// 尝试通过私有字段获取（兼容不同命名规范）
var fields = new[]
{
$"<{tenantIdKey}>k__BackingField", // 编译器生成字段
$"_{tenantIdKey.ToLower()}", // 常规私有字段
$"m_{tenantIdKey}" // 其他可能的前缀
};
foreach (var fieldName in fields)
{
var field = type.GetField(fieldName,
BindingFlags.NonPublic | BindingFlags.Instance);
if (field != null)
{
return field.GetValue(attr) as string;
}
}
return null;
}
}

6
Admin.NET/Admin.NET.Web.Entry/wwwroot/template/service_Mid.cs.vm
View File

@ -81,11 +81,11 @@ public partial class @(@Model.ClassName)Mid
@: var key = $"@(@column.FkEntityName)_{t.@(@column.PropertyName)}"; @: var key = $"@(@column.FkEntityName)_{t.@(@column.PropertyName)}";
@: if (!sysCacheService.ExistKey(key)) @: if (!sysCacheService.ExistKey(key))
@: { @: {
@: var m = db.Queryable<@(@column.FkEntityName)>().FirstAsync(f => f.@(@column.FkLinkColumnName) == t.@(@column.PropertyName)); @: var m = db.ForTenant<@(@column.FkEntityName)>().Queryable<@(@column.FkEntityName)>().FirstAsync(f => f.@(@column.FkLinkColumnName) == t.@(@column.PropertyName));
@: if (m != null) sysCacheService.Set(key, m); @: if (m != null) sysCacheService.Set(key, m);
@: } @: }
@: t.@(@column.PropertyName)@(@column.FkColumnName) = sysCacheService.Get<@(@column.FkEntityName)>(key)?.@(@column.FkColumnName); @: t.@(@column.PropertyName)@(@column.FkColumnName) = sysCacheService.Get<@(@column.FkEntityName)>(key)?.@(@column.FkColumnName);
@: //t.@(@column.PropertyName)@(@column.FkColumnName)=db.Queryable<@(@column.FkEntityName)>().FirstAsync(f => f.@(@column.FkLinkColumnName) == t.@(@column.PropertyName))).@(@column.FkColumnName);// @: //t.@(@column.PropertyName)@(@column.FkColumnName)=db.Queryable<@(@column.FkEntityName)>().First(f => f.@(@column.FkLinkColumnName) == t.@(@column.PropertyName))).@(@column.FkColumnName);//
@:}) @:})
} }
else if(@column.EffectType == "ApiTreeSelector"){ else if(@column.EffectType == "ApiTreeSelector"){
@ -95,7 +95,7 @@ public partial class @(@Model.ClassName)Mid
@: var key = $"@(@column.FkEntityName)_{t.@(@column.PropertyName)}"; @: var key = $"@(@column.FkEntityName)_{t.@(@column.PropertyName)}";
@: if (!sysCacheService.ExistKey(key)) @: if (!sysCacheService.ExistKey(key))
@: { @: {
@: var m = db.Queryable<@(@column.FkEntityName)>().FirstAsync(f => f.@(@column.ValueColumn) == t.@(@column.PropertyName)); @: var m = db.ForTenant<@(@column.FkEntityName)>().Queryable<@(@column.FkEntityName)>().First(f => f.@(@column.ValueColumn) == t.@(@column.PropertyName));
@: if (m != null) sysCacheService.Set(key, m); @: if (m != null) sysCacheService.Set(key, m);
@: } @: }
@: t.@(@column.PropertyName)@(@column.DisplayColumn) = sysCacheService.Get<@(@column.FkEntityName)>(key)?.@(@column.DisplayColumn); @: t.@(@column.PropertyName)@(@column.DisplayColumn) = sysCacheService.Get<@(@column.FkEntityName)>(key)?.@(@column.DisplayColumn);