摘要： 查询$query = $this->db_query("SELECT * FROM table");==================================*///result() 返回对象数组$data = $query->result();//result_array() 返回数据$data = $query->result_array();//row() 只返回一行对象数组$data = $query->row();//num_rows() 返回查询结果行数$data = $query->num_rows();//num_fi 阅读全文