我为电子商务网站制作了一个页面,如果您要添加图像,请选择它们,然后选择将所有内容上传到服务器。问题是(就像我在标题中提到的那样),他向我展示了在我刷新页面之前上传的图像,并显示了正确的图像。我试图用javascript做一个location.reload(),但我不喜欢他必须加载页面两次的事实。另外我注意到,在手机和平板电脑上(连接在我的电脑的相同Wi-Fi上),上传图像需要很长时间。当我尝试显示上传的图片时,html显示另一个图片,但如果我刷新页面,则会显示正确的页面
下面的代码:
<html>
<head>
</head>
<body>
<div class="container">
<div id="ctn1">
<form enctype="multipart/form-data" method="post" action="aggiungi_immagini.php">
<div class="fileUpload btn btn-primary">
<span>Seleziona Immagini</span>
<input id="uploadBtn" class="upload" type="file" name="files[]" multiple>
</div>
<input id="uploadFile" placeholder="Nessun File selezionato" disabled="disabled" /><br>
<input type="submit" value="Carica" class="btn btn-primary">
</form><br>
<?php
$files = array();
foreach (new DirectoryIterator('images/'.$_SESSION['prodid'].'/') as $fileInfo) {
if($fileInfo->isDot() || !$fileInfo->isFile()) continue;
$files[] = $fileInfo->getFilename();
}
foreach ($files as $filename) {
?>
<style>
#imagelisticon{
color: rgba(255, 255, 255, 0.5);
position: absolute;
margin-left:-100px;
z-index: 2;
background-color: rgba(0, 0, 0, 0.2);
line-height: 200px;
height: 200px;
width:200px;
font-size: 40px;
}
#imgcnt{
background-size: cover;
background-repeat: no-repeat;
position:relative;
margin-top:40px;
width:200px;
height:200px;
display: inline-block;
border: 1px solid lightgrey;
line-height: 198px;
overflow: hidden;
}
.trash{
position: absolute;
vertical-align: text-top;
margin-top: 5px;
margin-left: 50px;
z-index:3;
}
</style>
<div id="imgcnt" style="background-image: url('images/<?php echo $id;?>/<?php echo $filename;?>');">
<div id="<?php echo $filename;?>" class="btn btn-danger trash"><i class="fa fa-trash" aria-hidden="true"></i></div>
<i id="imagelisticon" class="fa fa-check" aria-hidden="true"></i>
</div>
<?php
}
?></div><br>
<center><a href="modifica_prodotto.php"><div class="btn btn-success">
Conferma
</div></a></center><?php
$valid_formats = array("gif","jpg","jpeg","png","wbmp","bmp","webp","xbm","xpm");
$max_file_size = 80*1024^2; //10 MB
$path = "images/".$_SESSION['prodid']."/"; // Upload directory
$count = 1;
$picid=$id;
if(isset($_POST) and $_SERVER['REQUEST_METHOD'] == "POST"){
// Ripeto per ogni file caricato
?><div id="ctnmultiimages" style="heigth:300px;"><?php
foreach ($_FILES['files']['name'] as $f => $name) {
if ($_FILES['files']['error'][$f] == 4) {
continue; // Salto se ci sono stati errori
}
if ($_FILES['files']['error'][$f] == 0) {
if ($_FILES['files']['size'][$f] > $max_file_size) {
$message[] = "$name is too large!.";
continue; // Salto per i formati troppo grandi
}
elseif(! in_array(pathinfo($name, PATHINFO_EXTENSION), $valid_formats)){
$message[] = "$name is not a valid format";
continue; // Salto per i formati non validi
}
else{ // Nessun errore, sposta i file
$kaboom = explode(".", $name); // Split file name into an array using the dot
$fileExt = end($kaboom);
if(move_uploaded_file($_FILES["files"]["tmp_name"][$f], "images/".$id."/".$name)){
$count++;
}
}
}
}?>
<?php
}
?>
</body>
</html>
<script>
document.getElementById("uploadBtn").onchange = function() {
document.getElementById("uploadFile").value = this.value;
};
$("DIV[class='btn btn-danger trash']").click(function(){
var delfile = ($(this).attr("id"))
$.ajax({
type: 'post',
url: 'delete.php',
data: {
source1: delfile
},
success: function(data) {
console.log(data);
}
});
})
</script>
很抱歉,如果代码是漫长的,没有很好indentated但我搞砸了,以适应它的代码格式:)
通过我知道代码的方式长一点,所以我会告诉你在那里的部分我附和图片:
<?php
$files = array();
foreach (new DirectoryIterator('images/'.$_SESSION['prodid'].'/') as $fileInfo) {
if($fileInfo->isDot() || !$fileInfo->isFile()) continue;
$files[] = $fileInfo->getFilename();
}
foreach ($files as $filename) {
?>
<div id="imgcnt" style="background-image: url('images/<?php echo $id;?>/<?php echo $filename;?>');">
<div id="<?php echo $filename;?>" class="btn btn-danger trash"><i class="fa fa-trash" aria-hidden="true"></i></div>
<i id="imagelisticon" class="fa fa-check" aria-hidden="true"></i>
</div>
<?php
}
?>
PS我删除了样式部分,以便您可以看到后端。
我将我的图像存储在目录'图像',然后在一个目录中有我想要链接图像的产品的ID的名称。所以如果我想存储具有id = 25的产品的图像,图像将位于以下路径:“images/25 /”
感谢您的帮助,我需要找到解决此问题的方法。
谢谢你!你知道为什么需要这么长时间才能从手机上传图片吗? – valbuxvb
这很难说。我能想到的唯一的事情就是你和你的Wi-Fi路由器之间的距离。如果你距离很远,信号可能太弱,可能导致上传缓慢。如果情况并非如此,并且您的手机在上传时位于路由器附近 - 我不知道。 – Koern