Maison >développement back-end >tutoriel php >MySQL操作实施成功,但没有返回值
MySQL操作执行成功,但没有返回值?
在MySQL console中执行:
<!--Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->mysql>update `1001` set finish=0 where sid=94664;Query OK,1 row affected (0.07 sec)Rows matched:1 changed:1 warnings:0
<!--Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->$tid="`".$_COOKIE['uid']."`";$which="finish=1";$where="sid=".$sid;$db=new Mysql("localhost","root","","members_check","","UTF8");$db->connect();$result=$db->update($tid,$which,$where);echo $result; //if($result){echo 0;}else{echo 1;}
<!--Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->public function query($sql) { if ($sql == "") { echo "SQL语句为空"; } $this->sql = $sql; $result = mysql_query($this->sql, $this->conn) or die('faill'.mysql_error()); $this->result = $result; return $this->result;}public function update($table, $mod_content, $condition, $url = '') { $result=$this->query("UPDATE $table SET $mod_content WHERE $condition"); return $result;}