个人自存sqlSugar封装类（支持多库）

public static class SqlDBConnect
{
    //public static ConnectionConfig db1Config;

    public static ISqlSugarClient GetConnect(string tenantId)
    {
        if (!SqlSugarManager.Db.IsAnyConnection(tenantId))
        {
            throw new Exception("该连接不存在");
        }
        return SqlSugarManager.Db.GetConnection(tenantId);
    }
}

public static class SqlSugarManager
{
    private static readonly Lazy<SqlSugarScope> _dbLazy = new Lazy<SqlSugarScope>(InitializeDb);
    public static SqlSugarScope Db => _dbLazy.Value;

    private static SqlSugarScope InitializeDb()
    {
        List<ConnectionConfig> configList = new List<ConnectionConfig>
        {
            new ConnectionConfig
            {
                DbType = DbType.MySql,
                ConnectionString =
                    "server=;uid=;pwd=;database=;allowuservariables=true",
                IsAutoCloseConnection = true,
                ConfigId = "test_mysql_aliyun", // 默认库标识
            },
        };
        //var config =

        return new SqlSugarScope(
            configList,
            db =>
            {
                // 配置 AOP 日志
                db.Aop.OnLogExecuting = (sql, parameters) =>
                {
                    string parametersJson = JsonSerializer.Serialize(parameters);
                    Console.WriteLine($"SQL: {sql}\nParameters: {parametersJson}");
                };
            }
        );
    }
}