时间:2021-07-01 10:21:17 帮助过:10人阅读
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:
- <?php
- $con=@mysql_connect('localhost','root','root');//连接数据库
- mysql_select_db('test',$con);//选择数据库
- $userInfo=mysql_query("select * from user",$con);//创建sql语句
- echo "<table>";
- while($row=mysql_fetch_assoc($userInfo))//获取结果集每一行的数据
- {
- echo "<tr>";
- echo "<td>";
- echo $row['id'];//获取行中的id
- echo "</td>";
- echo "<td>";
- echo $row['username'];
- echo "</td>";
- echo "<td>";
- echo $row['password'];
- echo "</td>";
- echo "</tr>";
- }
- echo "</table>";
- mysql_free_result($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。