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Homephp教程php手册php+mysql写的简单留言本实例代码

guestbook.php: 

 
 
 
 
 
 

 
 
  
 
   
    
    
 
 
     
       
     
  

高三班留言本本

 
        
 

           
  
 
   
 
               
   
   
   
               
   
   
               
                 
                 
               
               
                 
                 
               
               
                 
                 
               
               
                 
               
            
 
          姓名:
type="text" name="T1" size="13">
 
          EMAIL:
 
          个人主页:
 
          主题:
 
          留言:
 
                
 
          

 
                                              

 
        
 
         
        
 
  
 
 
 
  
 
   
     
       
     
  
 
 
include ("connect.rec"); 

$qh=mysql_query("SELECT COUNT(*) AS rcnt FROM guestbook");  

$data=mysql_fetch_array($qh);  

$nr=$data["rcnt"];  

//判断偏移量参数是否传递给了脚本,如果没有就使用默认值0  

if (empty($offset))  

{  

$offset=0;  

}  
//查询结果(这里是每页20条,但你自己完全可以改变它)  

//$result=mysql_query("SELECT * from guestbook ORDER BY time desc LIMIT $offset, 5");  
$result=mysql_query("SELECT * from guestbook LIMIT $offset, 5");  

//显示返回的5条记录  

while ($data=mysql_fetch_array($result))  
{  
printf("姓名:%s
",$data["name"]); 
printf("EMAIL:%s
",$data["mail"]); 
printf("个人主页:%s
",$data["url"]); 
printf("来自:%s
",$data["ip"]); 
printf("留言时间:%s
",$data["time"]); 
printf("主题:%s
",$data["title"]); 
printf("内容:%s
",$data["ly"]); 
printf("
"); 
}  

//下一步,要写出到其它页面的链接  

if($offset) //如果偏移量是0,不显示前一页的链接  
{  
$preoffset=$offset-5;  
print "前一页 n";  
}  

//计算总共需要的页数  

$pages=ceil($nr/5); //$pages变量现在包含所需的页数  

for ($i=1; $i 
{  

$newoffset=5*$i-5;  

print "$i n";  

}  

//检查是否是最后一页  
$next = $offset+5; 
if ($next{  
print "下一页 n";  
}  
printf("返回") 
?>  
 
  
 
 
 
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