示例#1
0
 /// <summary>
 /// Query
 /// 根据条件查询。
 /// </summary>
 /// <typeparam name="TEntity">类型参数</typeparam>
 /// <param name="connection">DbConnection</param>
 /// <param name="predicate">条件表达式目录树</param>
 /// <returns>TEntity 集合</returns>
 public static IEnumerable <TEntity> Query <TEntity>(this IDbConnection connection, Expression <Func <TEntity, bool> > predicate)
 {
     try
     {
         if (SqlCheck.Check <TEntity>(predicate))
         {
             DynamicParameters parameters;
             var querySQL = BuildSelectSql(predicate, out parameters);
             return(SqlMapper.Query <TEntity>(connection, querySQL, parameters));
         }
         else
         {
             return(DommelMapper.Select <TEntity>(connection, predicate));
         }
     }
     catch (Exception ex) { throw new Exception(ex.Message); }
 }