php原生分页

total;
}
//分页数据
function data($sql){
    $link=con();
    $result  = mysqli_query($link,$sql); //获取所有的数据
    $arr=array();
    while($t_result = mysqli_fetch_array($result,MYSQLI_ASSOC)){
        $arr[]=$t_result;
    }
    mysqli_free_result($result);
    mysqli_close($link);
    return $arr;
}
function page($count,$listRows,$curPage,$rowsmaxPage =null,$search=null){
    $search = isset($search)?$search:"";
    $rowsmaxPage = isset($rowsmaxPage)?$rowsmaxPage:10;
    $totalpage =ceil($count/$listRows);
    //存储页码字符串
    $pageNumString = "";
    if($curPage <=($rowsmaxPage/2)){
        $begin =1;
        $end = $totalpage>=$rowsmaxPage?$rowsmaxPage:$totalpage;
    }else{
        $end = $curPage +($rowsmaxPage/2)>$totalpage?$totalpage:$curPage +($rowsmaxPage/2);
        $begin =$end -$rowsmaxPage-1<=1?1:$end -$rowsmaxPage-1;
    }
    //实现上一页
    $prev = $curPage -1<=1?1:$curPage -1;
    $pageNumString .="
".$count." Record ".$curPage."/".$totalpage." PAGE
";
    $pageNumString .="
首页
";
    $pageNumString .="
«
";

    //根据起始页与终止页将当前页面的页码显示出来
    for($i=$begin;$i<=$end;$i++){
        //使用if实现高亮显示当前点击的页码
        if($curPage == $i){
            $pageNumString .= "
$i
";
        }else{
            $pageNumString .= "
$i
";
        }
    }
    //实现下一页
    $next = $curPage +1 >=$totalpage?$totalpage:$curPage +1;
    $pageNumString .="
»
";
    $pageNumString .="
尾页
";
    $pageNumString .="

                            
                           GO 
                        
                      
";
    return $pageNumString;
}
//定义一个最大的页码数
$rowsmaxPage = 6;
// 默认列表每页显示行数
$listRows = 10;
//总记录数SQL
isset($_REQUEST["search"])?($search= $_REQUEST["search"]):$search="";
$where = "1=1 ";
$where .=" and concat_ws('',p.mCode,p.mDesc1,g.mPrice) like '%".trim($search)."%' ";
$countsql = "SELECT count(*) as total FROM t_product as p  
             LEFT JOIN t_product_pricegroup as g on p.T_Product_ID=g.T_Product_ID and g.mItem=1 where $where";
$count = taotalCount($countsql);
//当前页
$curPage = isset($_GET['curPage'])?($_GET['curPage']>ceil($count/$listRows)?ceil($count/$listRows):$_GET['curPage']):1;
//分页数据
$offset = ($curPage-1)*$listRows;
$sql = "SELECT mCode,mDesc1,mPrice FROM t_product as p  
            LEFT JOIN t_product_pricegroup as g on p.T_Product_ID=g.T_Product_ID and g.mItem=1 where $where
            limit $offset,$listRows";
$data = data($sql);
//分页样式
$page = page($count,$listRows,$curPage,$rowsmaxPage,$search);
?>




    
    
    
    
    
    
    
    
    
    





    

        
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