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Warning: mysql_fetch_array() expects parameter 1,该如何解决

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Release: 2016-06-13 13:43:29
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Warning: mysql_fetch_array() expects parameter 1
Warning: mysql_fetch_array() expects parameter 1 to be resource, boolean given in /home/kxmusic/test.php on line 8


本人使用XAMPP for linux 版
在本地机 WAMP 可以使用
但上次到服务器 就出现这个错误
请指教一下 


PHP code
<!--

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http://www.CodeHighlighter.com/

--><?php 02  include("config.php");  

03    

04   if($_POST[submit]){  

05     $username= str_replace(" ","",$_POST[username]);  

06     $_SESSION[login_name]= str_replace(" ","",$_POST[username]);  

07     $sql="select * from user_list where `username` = '$username' and user_static != '0'";  

08     $query=mysql_query($sql);  

09     $us=is_array($row=mysql_fetch_array($query));  

10     $ps= $us ? md5($_POST[password].ALL_PS)== $row[password] : FALSE;  

11     if($ps){  

12         $_SESSION[uid]=$row[uid];  

13         $_SESSION[user_shell]=md5($row[username].$row[password].ALL_PS);  

14         $_SESSION[times]=mktime();  

15         echo "登陆成功";  

16         echo "<a href=\"jianli.php\">add list<br>";  

17         echo "<a href="%5C%22logout.php%5C%22">logout</a>";  

18     }else{  

19         echo "密码或者用户名错误";  

20          session_destroy();  

21     }  

22    

23   }  

24    

25    

26    

27 ?>  

28 <link href="common.css" type="text/css" rel="stylesheet">  

29    

30   <title>::开心肠粉网::开心音乐室</title>
Copy after login
31 32 username:
33 password:
34 code: 35  Warning: mysql_fetch_array() expects parameter 1,该如何解决 36

37 38


config.php 
PHP code
<!--

Code highlighting produced by Actipro CodeHighlighter (freeware)
http://www.CodeHighlighter.com/

-->
<?php 02  session_start();  

03  //数据库连接  

04  $conn=mysql_connect('localhost','root','');  

05  mysql_select_db('test',$conn);  

06  mysql_query("set names 'gbk'");   

07  //定义常量  

08  define(ALL_PS,"topbase");  

09    

10   function user_shell($uid,$shell,$m_id){  

11     $sql="select * from user_list where `uid` = '$uid'";  

12     $query=mysql_query($sql);  

13     $us=is_array($row=mysql_fetch_array($query));  

14     $shell=$us ? $shell==md5($row[username].$row[password].ALL_PS):FALSE;  

15     if($shell){  

16         if($row[m_id]<=$m_id){  

17            return $row;  

18         }else{  

19         echo "你的权限不足";  

20         exit();  

21         }  

22     }else{  

23      echo "你无权限访问该页";  

24      exit();  

25     }  

26   }  

27    

28     function user_mktime($onlinetime){  

29     $new_time = mktime();  

30     echo $new_time-$onlinetime;  

31     if($new_time-$onlinetime > '1000'){  

32     echo "登录超时";  

33     exit();  

34     session_destroy();  

35    }else{  

36     $_SESSION[times]=mktime();  

37    }  

38   }  

39  ?> 


Copy after login


------解决方案--------------------
var_dump($query); //这里显示什么
$row=mysql_fetch_array($query);
------解决方案--------------------
query返回结果不正确。应该是一个对象,
$query=mysql_query($sql) or die(mysql_error());

把错误模式打开,这样就不会有这样的问题了,因为你的错误提示等级太高了!

探讨
var_dump($query);
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