table = $table; $this->db = &$db; $this->id = $id; $this->name = $name; $this->error_msg = ''; } /** * 判断表中某字段是否重复,若重复则中止程序,并给出错误信息 * * @access public * @param string $col 字段名 * @param string $name 字段值 * @param integer $id * * @return void */ //ecmoban模板堂 --zhuo function is_only($col, $name, $id = 0, $where='', $table = '', $idType = '') { if(empty($table)){ $table = $this->table; } if(empty($idType)){ $idType = $this->id; } $sql = 'SELECT COUNT(*) FROM ' .$table. " WHERE $col = '$name'"; $sql .= empty($id) ? '' : ' AND ' . $idType . " <> '$id'"; $sql .= empty($where) ? '' : ' AND ' .$where; return ($this->db->getOne($sql) == 0); } /** * 返回指定名称记录再数据表中记录个数 * * @access public * @param string $col 字段名 * @param string $name 字段内容 * * @return int 记录个数 */ function num($col, $name, $id = 0, $where = '') { $sql = 'SELECT COUNT(*) FROM ' .$this->table. " WHERE $col = '$name'"; $sql .= empty($id) ? '' : ' AND '. $this->id ." != '$id' "; $sql .= empty($where) ? '' : ' AND '. $where; return $this->db->getOne($sql); } /** * 编辑某个字段 * * @access public * @param string $set 要更新集合如" col = '$name', value = '$value'" * @param int $id 要更新的记录编号 * * @return bool 成功或失败 */ //ecmoban模板堂 --zhuo function edit($set, $id, $table = '', $idType = '') { if(empty($table)){ $table = $this->table; }else{ $table = $GLOBALS['ecs']->table($table); } if(empty($idType)){ $idType = $this->id; } $sql = 'UPDATE ' . $table . ' SET ' . $set . " WHERE " .$idType. " = '$id'"; if ($this->db->query($sql)) { return true; } else { return false; } } /** * 取得某个字段的值 * * @access public * @param int $id 记录编号 * @param string $id 字段名 * * @return string 取出的数据 */ function get_name($id, $name = '') { if (empty($name)) { $name = $this->name; } $sql = "SELECT `$name` FROM " . $this->table . " WHERE $this->id = '$id'"; return $this->db->getOne($sql); } /** * 删除条记录 * * @access public * @param int $id 记录编号 * * @return bool */ function drop($id, $table = '', $idType = '') { if(empty($table)){ $table = $this->table; }else{ $table = $GLOBALS['ecs']->table($table); } if(empty($idType)){ $idType = $this->id; } $sql = 'DELETE FROM ' . $table . " WHERE " .$idType. " = '$id'"; return $this->db->query($sql); } } ?>