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，欢迎关注天达云行业资讯频道。