添加项目文件。

HT.Cloud.Service/Infrastructure/DBInitialize.cs

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+using SqlSugar;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using HT.Cloud.Code;
+using HT.Cloud.Code.Model;
+using HT.Cloud.DataBase;
+using HT.Cloud.Domain.SystemOrganize;
+
+namespace HT.Cloud.Service
+{
+	/// <summary>
+	/// 初始数据库操作类
+	/// </summary>
+	public class DBInitialize
+	{
+		private static string cacheKey = GlobalContext.SystemConfig.ProjectPrefix + "_dblist";// 数据库键
+
+		/// <summary>
+		/// 获取注册数据库list
+		/// </summary>
+		/// <param name="readDb">重置数据库list</param>
+		/// <returns></returns>
+		public static List<ConnectionConfig> GetConnectionConfigs(bool readDb = false)
+		{
+			List<ConnectionConfig> list = CacheHelper.Get<List<ConnectionConfig>>(cacheKey);
+			if (list == null || !list.Any() || readDb)
+			{
+				list = new List<ConnectionConfig>();
+				var data = GlobalContext.SystemConfig;
+				var defaultConfig = DBContexHelper.Contex(data.DBConnectionString, data.DBProvider);
+				defaultConfig.ConfigId = "0";
+				list.Add(defaultConfig);
+				try
+				{
+					//租户数据库
+					if (data.SqlMode == Define.SQL_TENANT)
+					{
+						using (var context = new SqlSugarClient(defaultConfig))
+						{
+							var sqls = context.Queryable<SystemSetEntity>().ToList();
+							foreach (var item in sqls.Where(a => a.F_EnabledMark == true && a.F_EndTime > DateTime.Now.Date && a.F_DbNumber != "0"))
+							{
+								var config = DBContexHelper.Contex(item.F_DbString, item.F_DBProvider);
+								config.ConfigId = item.F_DbNumber;
+								list.Add(config);
+							}
+						}
+					}
+					if (data.SqlConfig == null)
+						data.SqlConfig = new List<DBConfig>();
+
+					//扩展数据库
+					foreach (var item in data.SqlConfig)
+					{
+						var config = DBContexHelper.Contex(item.DBConnectionString, item.DBProvider);
+						config.ConfigId = item.DBNumber;
+						if (list.Any(a => a.ConfigId == config.ConfigId))
+						{
+							throw new Exception($"数据库编号重复，请检查{config.ConfigId}");
+						}
+						list.Add(config);
+					}
+				}
+				catch (Exception ex)
+				{
+					LogHelper.WriteWithTime(ex);
+				}
+				CacheHelper.SetBySecond(cacheKey, list);
+			}
+			return list;
+		}
+	}
+}