时间:2021-07-01 10:21:17 帮助过:23人阅读
学完了记得动手操作。
測试地址(未过滤)
<html> <body> <head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /></head> <form method = "post" action = "post.php"> 欢迎来到我的留言板!<br> name:<input type = "text" name = "name"><br> email:<input type = "text" name = "email"><br> content:<br> <textarea rows="10" cols="20" name="content"> </textarea> <input type = "submit"> </form> </body> </html>
<?php header("Content-type: text/html; charset=utf-8"); $con = mysql_connect("***","***","***"); if (!$con) { die('Could not connect: ' . mysql_error()); } //connect table mysql_query("SET NAMES utf8"); mysql_select_db("message",$con); $sql = "CREATE TABLE message( id int NOT NULL AUTO_INCREMENT, PRIMARY KEY(id), name varchar(15), email varchar(15), content varchar(100) )"; //mysql_query($sql,$con); $name = $_POST['name'] ; $email = $_POST['email']; $content = $_POST['content']; $sql1 = "INSERT INTO message(name,email,content) VALUES( '$name', '$email','$content')"; mysql_query($sql1,$con); echo "<table border='1'> <tr> <th>id</th> <th>name</th> <th>email</th> <th>content</th> </tr>"; $result = mysql_query("SELECT * FROM message"); while($row = mysql_fetch_array($result)) { echo "<tr>"; echo "<td>" . $row['id'] . "</td>"; echo "<td>" . $row['name'] . "</td>"; echo "<td>" . $row['email'] . "</td>"; echo "<td>" . $row['content'] . "</td>"; echo "</tr>"; } echo "</table>"; mysql_close($con); ?>
mysql_fetch_array(): supplied argument is not a valid MySQL result resource
定位到该函数。$result的值不是有效的。
怀疑是数据库没有连接成功。
推断一下$result。输出mysql_error();
发现是没有数据库选择。
原来放在本地能够运行的,原来放到站点上数据库名称写成表单名称了。
蠢哭。
= =!!
!
php+mysql 最简单的留言板
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