PHP分頁倒掛

Question

我有標準的分頁，效果很好。我想要做的就是顛倒。所以導航將從最後開始。 5 | 4 | 3 | 2 | 1。我每頁的限制是15，所以我想第1頁第1頁包含15個元素，最後一頁將包含最新的元素。我知道這是非常不尋常的方法，但這是我想要做的。但是我需要有人把我放在正確的道路上，請幫助一下。謝謝。

我funcional代碼在這裏：（縮短）

<? 

$adjacents = 4; 

$result = $mysqli->query("SELECT * FROM table"); 
$total_pages = $result->num_rows; 
$result->close(); 

    /* Setup vars for query. */ 
    $targetpage = "articles"; 
    $limit = 15;         
    $page = $_GET['page']; 
    if($page) 
     $start = ($page - 1) * $limit; 
    else 
     $start = 0;   

    /* Get data. */ 
    $sql = $mysqli->query("SELECT * FROM table ORDER BY id DESC LIMIT $start, $limit"); 


    /* Setup page vars for display. */ 
    if ($page == 0) $page = 1;     //if no page var is given, default to 1. 
    $prev = $page - 1;       //previous page is page - 1 
    $next = $page + 1;       //next page is page + 1 
    $lastpage = ceil($total_pages/$limit);  //lastpage is = total pages/items per page, rounded up. 
    $lpm1 = $lastpage - 1;      //last page minus 1 


while($row = $sql->fetch_array()) { 

$name = $row['name']; 
$ource = $row['source']; 

} 

?> 

<?=$pagination?> 
<? $sql->close(); ?> 

Answer 1

<?php 
$result = $mysqli->query("SELECT id FROM table"); 
$total_results = $result->num_rows; 
$result->close(); 

    /* Setup vars for query. */ 

    $targetpage = "moving-articles"; 
    $limit = 5; 
    $adjacents = 5; 
    $lastpage = ceil($total_results/$limit);         
    $page = $_GET['page']; 
    if($page) 
     $start = ($page - 1) * $limit; 
    else 
     $start = ($lastpage - 1) * $limit;; 

    /* Get data. */ 
    $sql = $mysqli->query("(SELECT * FROM table ORDER BY datestamp LIMIT $start, $limit) ORDER BY datestamp DESC"); 
    if ($page == '') $page = $lastpage; //if no page var is given, default to last page (as first page) 
    $prev = $page - 1;       //previous page is page - 1 
    $next = $page + 1;       //next page is page + 1 
    $lpm1 = $lastpage - 1;       


    /* Draw the pagination object. */ 

    $pagination = ""; 
    if($lastpage > 1) 
    { 
     $pagination .= " 
     <div class='pagination'>"; 
     /* Next Button */ 
     if ($page < $lastpage) 
      $pagination.= "<a href='$targetpage/page/$next/'>« next</a>"; 
     else 
      $pagination.= "<span class='disabled'>« next</span>"; 

     if ($lastpage < $adjacents * 4) //not enough pages to bother breaking it up 
     { 
     /* Backwards Pagination */ 
     for ($counter = $lastpage; $counter > 0; $counter--) { 
       if ($counter == $page) 
        $pagination.= "<span class='current'>$counter</span>"; 
       else 
        $pagination.= "<a href='$targetpage/page/$counter/'>$counter</a>"; 
     } 
     } 

     else if($lastpage > $adjacents * 4) //enough pages to hide some 
     { 
      //close to beginning; only hide later pages 
      if($page > $lastpage - $adjacents * 2)  
      { 

       for ($counter = $lastpage ; $counter > abs(($adjacents * 2) - $lastpage) - 1; $counter--) 
       { 
        if ($counter == $page) 
         $pagination.= "<span class='current'>$counter</span>"; 
        else 
         $pagination.= "<a href='$targetpage/page/$counter/'>$counter</a>";     
       } 

       $pagination.= "..."; 
       $pagination.= "<a href='$targetpage/page/2/'>2</a>"; 
       $pagination.= "<a href='$targetpage/page/1/'>1</a>"; 

      } 
     //in middle; hide some front and some back 
      else if($page <= $lastpage - $adjacents * 2 && $page > $adjacents * 2) 
      { 

       $pagination.= "<a href='$targetpage/page/$lastpage/'>$lastpage</a>";  
       $pagination.= "<a href='$targetpage/page/$lpm1/'>$lpm1</a>"; 
       $pagination.= "..."; 
       for ($counter = $page + $adjacents; $counter > $page - $adjacents - 1 ; $counter--) 
       { 
        if ($counter == $page) 
         $pagination.= "<span class='current'>$counter</span>"; 
        else 
         $pagination.= "<a href='$targetpage/page/$counter/'>$counter</a>";     
       } 
       $pagination.= "..."; 
       $pagination.= "<a href='$targetpage/page/2/'>2</a>"; 
       $pagination.= "<a href='$targetpage/page/1/'>1</a>"; 

      } 
      //close to end; only hide early pages 
      else 
      { 
       $pagination.= "<a href='$targetpage/page/$lastpage/'>$lastpage</a>";  
       $pagination.= "<a href='$targetpage/page/$lpm1/'>$lpm1</a>"; 
       $pagination.= "..."; 
       for ($counter = ($adjacents * 2) +1 ; $counter >= 1; $counter--) 
       { 
        if ($counter == $page) 
         $pagination.= "<span class='current'>$counter</span>"; 
        else 
         $pagination.= "<a href='$targetpage/page/$counter/'>$counter</a>";     
       } 
      } 

     } 


     /* Previous Button */ 
     if ($page > $counter - 1) 
      $pagination.= "<a href='$targetpage/page/$prev/'>previous »</a>"; 
     else 
      $pagination.= "<span class='disabled'>previous »</span>"; 

     $pagination.= "</div>";  
    } 

?> 

Answer 2

嗯......第一個技巧 - 不要使用簡短的開幕PHP標籤。他們已被棄用，並可以給你一些服務器上的問題..啓動PHP代碼<?php。其次，在您的代碼中，您將混合部分混合顯示傳呼機和頁面內容。 mySql查詢用於獲取當前頁面的行。但對於尋呼機，您將需要類似的查詢，這將只返回所有行的計數（因此沒有限制部分）。

$sql = $mysqli->query("SELECT COUNT(*) FROM table"); 

類似的東西...

當你拿到計數次數（假設你有45行總計）。你必須計算總頁數。這將是：

$pages_number = ceil ($rows_count/$limit); 

在我們的案例中，我們將有3（頁）。

然後，你需要一些for循環會落後，從頁面數爲1，是這樣的：

for ($i = $pages_number; $i > 1; $i--){ 
// write out current link 
} 

這個循環會給你數3,2,1 ......這樣創建鏈接將它們打印出來並打印出來。

Answer 3

<?php 
$result = $mysqli->query("SELECT COUNT(*) FROM webelements WHERE web='ALR' AND cat='Article'"); 
$total_results = $result->num_rows; 
$result->close(); 

    /* Setup vars for query. */ 
    $targetpage = "moving-articles"; 
    $limit = 15;         
    $page = $_GET['page']; 
    if($page) 
     $start = ($page - 1) * $limit; 
    else 
     $start = 0;   

    /* Get data. */ 
    $sql = $mysqli->query("SELECT * FROM webelements WHERE web='ALR' AND cat='Article' ORDER BY datestamp DESC LIMIT $start, $limit"); 

    $prev = $page - 1;       //previous page is page - 1 
    $next = $page + 1;       //next page is page + 1 
    $lastpage = ceil($total_results/$limit); //lastpage = total results/items per page, rounded up. 
    if ($page == 0) $page = $lastpage;   //if no page var is given, default to last page (as first page) 
    $lpm1 = $lastpage - 1;      //last page minus 1 

    /* Draw the pagination object. */ 

    $pagination = ""; 
    if($lastpage > 1) 
    { 
     $pagination .= " 
     <div class='pagination'>"; 
     /* Next Button */ 
     if ($page < $lastpage) 
      $pagination.= "<a href='$targetpage/page/$next/'>« next</a>"; 
     else 
      $pagination.= "<span class='disabled'>« next</span>"; 

     /* Backwards Pagination */ 
     for ($counter = $lastpage; $counter > 0; $counter--) { 
       if ($counter == $page) 
        $pagination.= "<span class='current'>$counter</span>"; 
       else 
        $pagination.= "<a href='$targetpage/page/$counter/'>$counter</a>"; 
     } 

     /* Previous Button */ 
     if ($page > $counter - 1) 
      $pagination.= "<a href='$targetpage/page/$prev/'>previous »</a>"; 
     else 
      $pagination.= "<span class='disabled'>previous »</span>"; 

     $pagination.= "</div>";  
    } 
?>