php操做mysql數據庫的基本類代碼,。php
代碼:mysql
<?php $dbhost='localhost'; $dbuser='root'; $dbpass='123456'; $dbname='products'; $connect=mysql_connect($dbhost,$dbuser,$dbpass); if(!$connect) exit('數據庫鏈接失敗!'); mysql_select_db($dbname,$connect); mysql_query('set names utf8'); //查詢 $sql="SELECT * FROM `category`"; $result=mysql_query($sql); while($row=mysql_fetch_array($result)){ echo $row['id']; } //插入 $sql="INSERT INTO `category` (`id`,`name`) VALUES (NULL,'".$name."')"; $result=mysql_query($sql); if(mysql_affected_rows()){ echo '插入成功,插入ID爲:',mysql_insert_id(); }else{ echo '插入失敗:',mysql_error(); }// by www.jbxue.com //修改 $sql="UPDATE `category` SET `name`='".$name."' WHERE `id`='".$id."'"; $result=mysql_query($sql); if(mysql_affected_rows()){ echo '修改爲功!'; } //刪除 $sql="DELETE FROM `category` WHERE `id`='".$id."'"; $result=mysql_query($sql); if(mysql_affected_rows()){ echo '刪除成功!'; } // by www.jbxue.com //關閉鏈接 mysql_close($connect); ?>