php訪問資料庫

最後更新：2015-11-07 來源：互聯網

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1.建立資料庫`lyb`

CREATE DATABASE `lyb`;

CREATE TABLE  `lyb1` (id INT NOT NULL AUTO_INCREMENT ,title VARCHAR( 200 ) NOT NULL ,content TEXT NOT NULL ,author VARCHAR( 30 )not null DEFAULT  ‘彭軍‘,email VARCHAR( 40 ) not null DEFAULT  ‘[email protected]‘,PRIMARY KEY ( id ) ,UNIQUE (title)) ENGINE = INNODB DEFAULT CHARSET = utf8

資料庫連接檔案conn.php

header("Content-type: text/html; charset=UTF-8");  $DB_SERVER = "localhost"; $DB_NAME = "root"; $DB_PWD = ""; $conn = mysql_connect($DB_SERVER,$DB_NAME,$DB_PWD); if (!$conn) {     die("串連資料庫失敗".mysql_errno());      }  mysql_query("set names utf8");

2.建立前台頁面 5.1.php

<?php/* *  * @Authors peng--jun  * @Email   [email protected] * @Date    2015-11-07 13:50:48 * @Link    http://www.cnblogs.com/xs-yqz/ * @version $Id$ ========================================== */ header("Content-type: text/html; charset=UTF-8");   if (isset($_POST[‘submit‘])) {     require("include/conn.php"); mysql_select_db("lyb",$conn);//選擇資料庫 $title = $_POST[‘title‘]; $author = $_POST[‘author‘]; $content = $_POST[‘content‘]; $email = $_POST[‘email‘]; $result = mysql_query("insert into `lyb1`(`id`,`title`,`content`,`author`,`email`) values(null,‘$title‘,‘$content‘,‘$author‘,‘$email‘)"); var_dump($result); mysql_free_result($result); mysql_close($result);}?><!DOCTYPE html><html lang="en"><head>    <meta charset="UTF-8">    <title>添加資料頁面</title></head><body>    <form action="5.1.php" method="POST">        <p>添加新聞頁面</p>        <div>標題:<input type="text" name="title" id=""></div>        <div>內容:    <textarea  name="content" id="" cols="30" rows="5"></textarea></div>        <div>作者:<input type="text" name="author" id=""></div>        <div>郵箱:<input type="text" name="email" id=""></div>        <div><input type="reset" value="重設"><input type="submit" name="submit" value="提交"></div>    </form></body></html>

3.從資料庫中擷取資料顯示在前台頁面

<?php/* *  * @Authors peng--jun  * @Email   [email protected] * @Date    2015-11-07 13:40:08 * @Link    http://www.cnblogs.com/xs-yqz/ * @version $Id$ ========================================== */ header("Content-type: text/html; charset=UTF-8");  require("include/conn.php"); mysql_select_db("lyb",$conn);//選擇資料庫 $result = mysql_query("select * from `lyb1`",$conn);//選擇資料庫表 ?> <!DOCTYPE html> <html lang="en"> <head>     <meta charset="UTF-8">     <title>新聞顯示頁面</title> </head> <body>     <table border="1">         <tr bgcolor="#ccc">             <th>序號</th>             <th>標題</th>             <th>內容</th>             <th>作者</th>             <th>郵箱</th>         </tr>         <?php         while ($row = mysql_fetch_assoc($result)) {             ?>             <tr>                 <td><?= $row[‘id‘]?></td>                 <td><?= $row[‘title‘]?></td>                 <td><?= $row[‘content‘]?></td>                 <td><?= $row[‘author‘]?></td>                 <td><?= $row[‘email‘]?></td>             </tr>             <?php                 }         ?>     </table>     <p>共有<?= mysql_num_rows($result) ?>條記錄 </p>      <!-- mysql_num_rows（）函數返回的是結果集的總數 -->     <?php     //釋放資源，關閉結果集     mysql_free_result($result);     mysql_close($result);     ?> </body> </html>

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php訪問資料庫

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