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php+mysql實現(xiàn)簡單的增刪改查功能

 更新時間：2015年07月13日 11:27:33   投稿：hebedich  
本文給大家分享的是使用php結合mysql實現(xiàn)簡單的增刪改查的功能的代碼，非常的簡單實用，有需要的小伙伴可以參考下。

列表代碼

<?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);

?>

刪除

<?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向數(shù)據(jù)庫中實現(xiàn)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>

以上所述就是本文的全部內(nèi)容了，希望大家能夠喜歡。

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