PHP MySql增删改查的简单实例_php实例
程序员文章站
2023-12-23 11:11:16
...
mysql_connect()连接数据库
mysql_select_db选择数据库
mysql_fetch_assoc()获取结果集
mysql_query()执行sql语句
实例如下：
";
while($row=mysql_fetch_assoc($userInfo))//获取结果集每一行的数据
{
echo "";
echo "";
echo $row['id'];//获取行中的id
echo " ";
echo "";
echo $row['username'];
echo " ";
echo "";
echo $row['password'];
echo " ";
echo " ";
}
echo "";
mysql_free_result($userInfo);//释放结果集
mysql_close($con); //关闭数据库
/*delete
$d=@mysql_connect('localhost','root','root');
mysql_select_db('test',$d);
mysql_query("delete from user where id=1",$d);
mysql_close($d);
*/
/*insert
$i=@mysql_connect('localhost','root','root');
mysql_select_db('test',$i);
mysql_query("insert into user(username,password) values('ad','ad')",$i);
mysql_close($i);
*/
//update
$u=@mysql_connect('localhost','root','root');
mysql_select_db('test',$u);
mysql_query("update user set username='aaa' where username='00'",$u);
echo "update user set username='ax' where id=2";
mysql_close($u);
?>
以上这篇PHP MySql增删改查的简单实例就是小编分享给大家的全部内容了，希望能给大家一个参考，也希望大家多多支持脚本之家。