用ODBC的分页显示

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 4$pagesize = 3;//设置每页显示数目   
 5  
 6//计算总记录数   
 7$rs_num = "select count(*) as id from table";   
 8$rs_num = odbc_exec($conn_id,$rs_num);   
 9$rs_num = odbc_result($rs_num,"id");   
10  
11//计算总页数   
12$pagecount = $rs_num / $pagesize;   
13$pagecount1 = intval($pagecount);//将总页数取整   
14$compare = $pagecount - $pagecount1;   
15switch ($compare){   
16case "0":   
17$pagecount = $pagecount1;//总页数   
18break;   
19default :   
20$pagecount1++;   
21$pagecount = $pagecount1;//总页数   
22break;   
23};   
24if ($pagecount == 0)$pagecount++;   
25  
26  
27$fpages = $pages-1;   
28$bpages = $pages+1;   
29  
30  
31

1<table>
2<tr>
3<td>   
4共```
5 echo $pagecount 
6```页

if($pages != 1)echo "<a href="show.php3?pages=1">"; 首页 if($pages != 1)echo "</a>";

if($pages != 1)echo "<a href='show.php3?pages=".$fpages."'>"; 前页 if($pages != 1)echo "</a>";

if($pages != $pagecount)echo "<a href='show.php3?pages=".$bpages."'>"; 后页 if($pages != $pagecount)echo "</a>"; if($pages != $pagecount)echo "<a href='show.php3?pages=".$pagecount."'>";

1尾页```
2 if($pages != $pagecount)echo "&lt;/a&gt;";

``` ```

$firstshow = ($pages-1)*$pagesize+1;//确定每页的第一条记录

//找出第一条记录的记录号
$query_string = "SELECT * FROM table Order By id DESC";
$query_string = odbc_exec($conn_id,$query_string);
odbc_fetch_into($query_string,$firstshow,&$idarea);
$idsql = $idarea[0];

//定位查找
if ($pages == $pagecount) {
$rs = "SELECT * FROM table where id <= '".$idsql."' Order By id DESC";
}else{
$rs = "SELECT Top ".$pagesize." * FROM table where id <= '".$idsql."' Order By id DESC";
};

$rs = odbc_exec($conn_id,$rs);

//显示记录
while(odbc_fetch_row($rs)){

};

//关闭连接
odbc_close($conn_id);

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