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PHP列表页展示方法

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WBOYOriginal
2016-06-13 09:32:42893browse

 



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    *{  
        margin:0;  
        padding:0;  
    }  
    #lay{  
        margin:100px 100px 100px 100px;  
    }  
    a{  
        padding:5px;  
        font-size:13px;  
        text-decoration:none;  
    }  
    span{  
        font-size:13px;  
    }  
    table{  
        border:1px solid red;  
        border-collapse:collapse;  
    }  
      
     

  id

  值

  

  

  $link = mysql_connect("localhost","root",""); //连接数据库

  mysql_select_db("cs");//选择哪个数据库

  mysql_query("set names utf-8"); //设置数据库字符编码为中文

  $sql = mysql_query("select *from persons");

  $pagesize = 5; //显示条数

  $sum = mysql_num_rows($sql); //判断 一共有多少条数据

  $count = ceil($sum/$pagesize);//求出一共有多少页

  $pages = $count; //显示最后一页

  $init = 1;

  $page_len = 7;

  $max_p = $count;

  if(empty($_GET["page"])|| $_GET["page"]

  $page = 1;

  }else{

  $page = $_GET["page"];

  }

  $off = ($page-1)*$pagesize; //求出数据库查询的第一个数据

  $he = mysql_query("select * from persons limit $off,$pagesize");//按照off开始,到pagesize规律显示

  echo "一共 ".$sum." 条数据";

  while($row = mysql_fetch_array($he)){

  echo "";

  echo "".$row['id']."";

  echo "".$row['FirstName']."";

  echo " ";

  }

  ?>

  

  $page_len = ($page_len%2)?$page_len:$page_len+1;//如果余为1则为真,为0则为假

  $pageoffset = ($page_len-1)/2;//页码偏移量

  $key ="";

  if($page!=1){

  $key.="第一页 ";

  $key.="上一页 ";

  }else{

  $key.="第一页 ";

  $key.="上一页 ";

  }

  if($pages>$page_len){

  if($page

  $init=1;

  $max_p = $page_len;

  }else{

  if($page+$pageoffset>=$pages+1){

  $init = $pages - $page_len+1;

  }else{

  $init = $page-$pageoffset;

  $max_p = $page + $pageoffset;

  }

  }

  }

  for($i=$init;$i

  if($i==$page){

  $key.="[ ".$i." ]";

  }else{

  $key.="$i";

  }

  }

  if($i-1!=$page){

  $key.="下一页";

  $key.="最后一页";

  }else{

  $key.="下一页";

  $key.="最后一页";

  }

  echo "";

  echo "".$key."";

  echo "";

  ?>

  

  

  

  

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