/**
 * 从结果集中取得一行作为关联数组/数字索引数组
 *
 * @param 
 * @author 编程之家 jb51.cc jb51.cc
 **/
 function fetch_array($query,$type = MysqL_ASSOC) {
      return MysqL_fetch_array($query,$type);
 }
 function once_fetch_array($sql) {
      $this->result = $this->query($sql);
      return $this->fetch_array($this->result);
 }