这期内容当中小编将会给大家带来有关使用php怎么对mysql进行增删改查操作，文章内容丰富且以专业的角度为大家分析和叙述，阅读完这篇文章希望大家可以有所收获。
列表代码
<?php $con = mysql_connect("localhost:3306","root",""); if (!$con) { die('Could not connect: ' . mysql_error()); } mysql_select_db("test", $con); $result = mysql_query("SELECT * FROM user"); echo "<table border='1'> <tr> <th>Username</th> <th>Password</th> </tr>"; while($row = mysql_fetch_array($result)) { echo "<tr>"; echo "<td>" . $row['username'] . "</td>"; echo "<td>" . $row['password'] . "</td>"; echo "</tr>"; } echo "</table>"; mysql_close($con); ?>删除
<?php $con = mysql_connect("localhost","root",""); if (!$con) { die('Could not connect: ' . mysql_error()); } mysql_select_db("test", $con); mysql_query("DELETE FROM user WHERE username = '$_POST[username]'"); mysql_close($con); ?>添加
<?php $con = mysql_connect("localhost:3306","root",""); if (!$con) { die('Could not connect: ' . mysql_error()); } mysql_select_db("test", $con); $sql = "INSERT INTO user (username,password) VALUES ('$_POST[username]','$_POST[password]')"; if (!mysql_query($sql,$con)) { die('Error: ' . mysql_error()); } echo "1 record added"; mysql_close($con); ?>修改
<?php $con = mysql_connect("localhost","root",""); if (!$con) { die('Could not connect: ' . mysql_error()); } mysql_select_db("test", $con); mysql_query("UPDATE user SET password = '$_POST[password]' WHERE username = '$_POST[username]'"); mysql_close($con); ?><html> <head> <title>用PHP向数据库中实现简单的增删改查</title> </head> <body> <br /> <h2>Insert:</h2> <form action="insert.php" method="post"> username:<input type="name" name="username"/> <br /> password:<input type="password" name="password"/> <input type="submit" value="submit"/> </form> <br /><hr /><br /> <h2>Delete</h2> <form action="delete.php" method="post"> username:<input type="name" name="username" /> <br /> Are you sure?<input type="submit" value="sure" /> </form> <br /><hr /><br /> <h2>Update</h2> <form action="update.php" method="post"> username:<input type="name" name="username"/> <br /> You want to change your password into:<input type="password" name="password"/> <input type="submit" value="submit"/> </form> <br /><hr /><br /> </body> </html>
上述就是小编为大家分享的使用php怎么对mysql进行增删改查操作了，如果刚好有类似的疑惑，不妨参照上述分析进行理解。如果想知道更多相关知识，欢迎关注亿速云行业资讯频道。
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