標籤：
<?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);?>從伺服器中擷取使用者所有資訊（SQL SELECT語句）並以表格形式出現
<?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);?>刪除該使用者所有資訊delete.php
<?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);?>註冊一個新使用者insert.php
<?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);?>修改一個使用者密碼update.php
<html> <head> <title>用PHP向資料庫中實現簡單的增刪改查</title> </head> <body> <br /> <h1>Insert:</h1> <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 /> <h1>Delete</h1> <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 /> <h1>Update</h1> <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>以上三個功能的提交源Operate.html
用PHP向資料庫中實現簡單的增刪改查（純程式碼，待完善）
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