Question

我试图修改Function中接受的答案以满足我的需求。我正在研究基于XML的图像库（个人偏好使用XML而不是MySQL，因为这是我的个人网站）。我的画廊工作正常，但我试图将记录限制为每页最多9个。我接受了上述相关问题的接受答案并使其部分工作。由于某种原因，它只显示了一半的结果。目前共有23个图像记录。为了测试目的，我已将数字设置为11。执行此操作后，会生成2个页面链接。由于某种原因，每页只有一个图像。还注意到，因为每页当前应该有两个，所以总共应该有12个页面链接。有人可以告诉我为什么当我将数字设置为<?php include $_SERVER['DOCUMENT_ROOT'] . "/settings/config.php"; ?> <body> <?php include $_SERVER['DOCUMENT_ROOT'] . "/php/header.php"; if(isset($_GET['page'])) { $startPage = $_GET['page']; } else { $startPage = 1; } $perPage = 2; $currentRecord = 0; $imagexml = new SimpleXMLElement($_SERVER['DOCUMENT_ROOT'].'/info/gallery.xml', 0, true); ?> <div class="container"> <div class="row"> <div class="message text-center w-100"> <h1 class="txt-shadow"><span class="tattoo-icon">l</span> Photo Gallery <span class="tattoo-icon">;</span></h1> </div> <div class="card-deck"> <?php foreach($imagexml->image as $image) { $currentRecord += 1; if($currentRecord > ($startPage * $perPage) && $currentRecord < ($startPage * $perPage + $perPage)){ echo '<div class="col-sm-12 col-md-4 mb-3 text-center"> <div class="card"> <a href="http://example.com/img/gallery/'.$image->src.'" data-toggle="lightbox" data-gallery="body_piercings"> <img src="http://example.com/img/gallery/'.$image->src.'" class="card-img-top img-fluid img-thumbnail bx-shadow" alt="Card image cap"> </a> <div class="card-body"> <h5 class="card-title txt-shadow">'. $image->title .'</h5> <p class="card-text txt-shadow">'.$image->desc.'</p> <a href="'.$image->instagram.'" target="_blank" class="btn btn-instagram bx-shadow"><i class="fa fa-instagram"> </i> View On Instagram</a> </div> <div class="card-footer"> <small class="text-muted">Posted: '.$image->date.'</small> </div> </div> </div>'; } } ?> </div> </div> <nav> <ul class="pagination justify-content-center"> <?php //and the pagination: for ($i = 1; $i <= ($currentRecord / $perPage); $i++) { echo("<li class='page-item'><a class='page-link' href='?page=".$i."'>".$i."</a></li>"); } ?> </ul> </nav> </div> <div class="container-fluid"> <?php include $_SERVER['DOCUMENT_ROOT'] . "/php/footer.php"; ?> </div> </body> </html>时，每页只显示一个图像？如果我将其设置为每页显示9个，则只显示8个。

gallery.xml

这是<?xml version="1.0" encoding="UTF-8"?> <images> <image> <src>belly_button_1.jpg</src> <title>Belly Button</title> <desc>Belly button piercing using 14G curved barbell.</desc> <instagram>https://www.example.com/p/BbHba1BgmrC/</instagram> <date>November 5, 2017</date> </image> <image> <src>christina_1.jpg</src> <title>Christina(Pubic)</title> <desc>Christina(pubic) piercing using 14G curved barbell.</desc> <instagram>https://www.example.com/p/BclajtRgkPk/</instagram> <date>December 11, 2017</date> </image> <image> <src>christina_2.jpg</src> <title>Christina(Pubic)</title> <desc>Christina(pubic) piercing using 14G curved barbell.</desc> <instagram>https://www.example.com/p/BdSlWkogshq/</instagram> <date>December 29, 2017</date> </image> <image> <src>eyebrow_1.jpg</src> <title>Eyebrow</title> <desc>Vertical eyebrow piercing using 16G curved barbell.</desc> <instagram>https://www.example.com/p/BbIBtHDAX2F/</instagram> <date>November 5, 2017</date> </image> <image> <src>eyebrow_2.jpg</src> <title>Eyebrow</title> <desc>Vertical eyebrow piercing using 16G curved barbell.</desc> <instagram>https://www.example.com/p/Bfi9x_RAczq/</instagram> <date>February 23, 2018</date> </image> <image> <src>lobe_1.jpg</src> <title>Ear Lobe</title> <desc>Ear lobe piercing using 16G straight barbell.</desc> <instagram>https://www.example.com/p/BbHxZLtAnVA/</instagram> <date>November 5, 2017</date> </image> <image> <src>lobes_1.jpg</src> <title>Ear Lobe(Pair)</title> <desc>Ear lobe piercings using 14G captive bead rings.</desc> <instagram>https://www.example.com/p/Bb4zQO1gsAO/</instagram> <date>November 24, 2017</date> </image> <image> <src>lobes_2.jpg</src> <title>Ear Lobe(Pair)</title> <desc>Ear lobe piercings using 14G captive bead rings.</desc> <instagram>https://www.example.com/p/BdSlqmXggSt/</instagram> <date>December 29, 2017</date> </image> <image> <src>monroe_1.jpg</src> <title>Monroe</title> <desc>Monroe piercing using 16G lip stud.</desc> <instagram>https://www.example.com/p/BbHxJwYA3lt/</instagram> <date>November 5, 2017</date> </image> <image> <src>monroe_2.jpg</src> <title>Monroe</title> <desc>Monroe piercing using 16G internally threaded lip stud.</desc> <instagram>https://www.example.com/p/BifXeMYFjfO/</instagram> <date>May 7, 2018</date> </image> <image> <src>nipples_1.jpg</src> <title>Nipples(Female Pair)</title> <desc>Nipple piercings using 14G straight barbell.</desc> <instagram>https://www.example.com/p/Bcl7eSoAuaa/</instagram> <date>December 12, 2017</date> </image> <image> <src>nipples_2.jpg</src> <title>Nipples(Female Pair)</title> <desc>Nipple piercings using 14G straight barbell.</desc> <instagram>https://www.example.com/p/BdSlP5iATaj/</instagram> <date>December 29, 2017</date> </image> <image> <src>nostril_1.jpg</src> <title>Nostril</title> <desc>Nostril piercing using 20G nose stud.</desc> <instagram>https://www.example.com/p/BbHbK6gg8Ub/</instagram> <date>November 5, 2017</date> </image> <image> <src>nostril_2.jpg</src> <title>Nostril</title> <desc>Nostril piercing using 18G nose stud.</desc> <instagram>https://www.example.com/p/BifWlv7FsMK/</instagram> <date>May 7, 2018</date> </image> <image> <src>septum_1.jpg</src> <title>Septum</title> <desc>Septum piercing using 16G horeshoe barbell.</desc> <instagram>https://www.example.com/p/Bb_QglhAYIA/</instagram> <date>November 27, 2018</date> </image> <image> <src>septum_2.jpg</src> <title>Septum</title> <desc>Septum piercing using 16G horeshoe barbell.</desc> <instagram>https://www.example.com/p/BcDzH46AG6W/</instagram> <date>November 28, 2018</date> </image> <image> <src>septum_snakebites_1.jpg</src> <title>Septum And Snakebites</title> <desc>Septum piercing using 16G horeshoe barbell along with snakebite piercings using 16G internally threaded lip studs.</desc> <instagram>https://www.example.com/p/BcI_PAuAYQ3/</instagram> <date>November 30, 2017</date> </image> <image> <src>snakebites_1.jpg</src> <title>Snakebites</title> <desc>Snakebite piercings using 14G horseshoe barbells.</desc> <instagram>https://www.example.com/p/BbK2X5pgXpv/</instagram> <date>November 6, 2017</date> </image> <image> <src>snakeeyes_1.jpg</src> <title>Snake Eyes</title> <desc>Snake Eyes piercing through tip of tongue using 14G internally threaded curved barbell.</desc> <instagram>https://www.example.com/p/BePKMu_AdHH/</instagram> <date>January 21, 2018</date> </image> <image> <src>throat_surface.jpg</src> <title>Throat Surface</title> <desc>Throst surface piercing using two 16G curved barbells.</desc> <instagram>https://www.example.com/p/BbHwp83Adq3/</instagram> <date>November 5, 2017</date> </image> <image> <src>tongue_1.jpg</src> <title>Tongue</title> <desc>Tongue piercing using 14G straight barbell.</desc> <instagram>https://www.example.com/p/BbH21jKAovA/</instagram> <date>November 5, 2017</date> </image> <image> <src>tongue_2.jpg</src> <title>Tongue</title> <desc>Tongue piercing using 14G straight barbell.</desc> <instagram>https://www.example.com/p/Bb76eLBAVSf/</instagram> <date>November 25, 2017</date> </image> <image> <src>tongue_3.jpg</src> <title>Tongue</title> <desc>Tongue piercing using 14G straight barbell.</desc> <instagram>https://www.example.com/p/BeUhHj2goVO/</instagram> <date>January 23, 2018</date> </image> </images> ：

的当前结构

{{1}}

Answer 1

我做了一些改动，第一个是限制图像上的循环，只适用于你实际显示的那些..

    for ($currentRecord = (($startPage-1)*$perPage); $currentRecord < (($startPage-1)*$perPage)+$perPage && $currentRecord < count($imagexml->image); $currentRecord++) {
            $image = $imagexml->image[$currentRecord];
    //foreach ($imagexml->image as $image) {
        //$currentRecord += 1;
        //if ($currentRecord >= ($startPage * $perPage) && $currentRecord < ($startPage * $perPage + $perPage)) {

使用XML文件时，可以将节点的元素（在本例中为<image>）元素作为数组引用。这样做不是循环遍历所有文档，而是从页面的起始图像循环并循环每页上的图像数量，或列表的末尾（注释掉的代码用于显示哪些行它取代了。）

其次是链接。我认为问题在于，当你有23个图像和每页2个图像时，($currentRecord / $perPage)将给出11.5，所以当你在1上升时，这将在11点停止。你需要做的是使用ceil()将答案四舍五入到12。通过上述更改，您可以使用此代码...

// and the pagination:
$numberPages = ceil((count($imagexml->image) / $perPage));
for ($i = 1; $i <= $numberPages; $i ++) {
    echo ("<li class='page-item'><a class='page-link'  href='?page=" . $i . "'>" . $i . "</a></li>");
}

显示一半结果的XML分页

1 个答案: