通過jQuery將URL變量傳遞到另一頁

Question

嗨，我正在使用加載更多的腳本來加載更多的內容在同一頁面上加載更多的內容時。這裏是腳本...

<script type="text/javascript"> 
    var track_page = 1; 
    load_contents(track_page); 

    $("#load_more_button").click(function (e) { 
     track_page++; 
     load_contents(track_page); 
    }); 

    function load_contents(track_page){ 
     $('.animation_image').show(); 

     $.post('fetch_pages.php', {'page': track_page}, function(data){ 

      if(data.trim().length == 0){ 
       $("#load_more_button").text("You have reached end of the record!").prop("disabled", true); 
      } 

      $("#results").append(data); 

      $('.animation_image').hide(); 
     }); 
    } 
</script> 

的index.php

$_SESSION['name']=$_GET['name']; 
$_SESSION['area']=$_GET['area']; 

<div class="wrapper"> 
    <div id="results"></div> 

    <button id="load_more_button"><img src="ajax-loader.gif" class="animation_image" style="float:left;"> Load More</button> 
</div> 

fetch_pages.php

include("db.php"); 
$item_per_page = 10; 
$page_number = filter_var($_POST["page"], FILTER_SANITIZE_NUMBER_INT, FILTER_FLAG_STRIP_HIGH); 

$position = (($page_number-1) * $item_per_page); 
$sort="id"; 
if(isset($_GET['sort'])&&($_GET['sort'])=='ASC'){ 
    $sort="price ASC"; 
} 
elseif(isset($_GET['sort'])&&($_GET['sort'])=='DESC'){ 
    $sort="price DESC"; 
} 
if($_SESSION['area']=='All'){ 
    $stmt = $mysqli->prepare("SELECT * from table where name= ? ORDER BY $sort LIMIT ?,?"); 
    $stmt->bind_param("sdd", $_SESSION['name'], $position, $item_per_page); 
} 
else{ 
    $stmt = $mysqli->prepare("SELECT * from table where name= ? AND area= ? ORDER BY $sort LIMIT ?,?"); 
    $stmt->bind_param("ssdd", $_SESSION['name'], $_SESSION['area'], $position, $item_per_page); 
} 
    $stmt->execute(); 
    $i=1; 
    $res = $stmt->get_result(); 
    while($row4=mysqli_fetch_array($res)){ 
     --------------- 
     --------------- 
} 

上述腳本工作正常，如果沒有GET變量可用URL。但是，如果我想要在$_GET變量的基礎上加載頁面內容，它會給出$_GET變量未定義的錯誤。在哪裏我需要定義這些變量..我也試着在fetch_pages.php上與index.php一起定義S_SESSION變量，但它仍然給出錯誤。

這樣做的最好方法是什麼？是否有可能不單獨創建fetch_pages.php並在index.php頁面中定義其內容？

謝謝...

Answer 1

這是我的疑問，你可以檢查這個 - （訪問$ _ GET與出設置它），檢查第一

if(isset($_GET['sort'])&&($_GET['sort'])=='ASC'){ 
    $sort="price ASC"; 
} 
elseif(isset($_GET['sort'])&&($_GET['sort'])=='DESC'){ 
    $sort="price DESC"; 
} 
// change above code snippet to following code 
$sort =''; 
if(isset($_GET['sort'])) 
{ 
    // if sort is not ASC then its definitely DESC 
    $sort = ($_GET['sort']=='ASC')?"price ASC" : "price DESC"; 
} 

現在對於第二代碼片段

$area = '%%'; 
    $name = '%%'; 
    if(isset($_GET['area'])){ 
     $area = ($_GET['area']=='All' || empty($_GET['area']))?'%%':'%'.$_GET['area'].'%'; 
    } 
    if(isset($_GET['name'])) 
    { 
     $name = ($_GET['name'])?'%'.$_GET['name']:'%%'; 
    } 
    $stmt = $mysqli->prepare("SELECT * from table where name like ? AND area like ? ORDER BY $sort LIMIT ?,?"); 
    $stmt->bind_param("ssdd", $name , $area, $position, $item_per_page);