切换数据库时打印sql，增加获取主键的接口

common/Tnb.SqlSugar/Repositories/SqlSugarRepository.cs

@@ -72,7 +72,6 @@ where TEntity : class, new()
     base.Context.Ado.CommandTimeOut = 30;
     base.Context.Aop.OnLogExecuted = (sql, pars) =>
     {
-      // 在控制台输出sql语句
       var oldColor = Console.ForegroundColor;
       Console.ForegroundColor = ConsoleColor.Green;
       var finalSql = UtilMethods.GetSqlString(Context.CurrentConnectionConfig.DbType, sql, pars);