我想通过 JavaScript 上传一些图像数组。我尝试了以下代码:
<script type="text/javascript">
var count =0;
$(document).ready(function() {
if (window.File && window.FileList && window.FileReader) {
$("#files").on("change", function(e) {
var files = e.target.files,
filesLength = files.length;
count++;
for (var i = 0; i < count; i++) {
var f = files[i]
var fileReader = new FileReader();
fileReader.onload = (function(e) {
var file = e.target;
$("<span class=\"pip\">" +
"<img class=\"imageThumb\" src=\"" + e.target.result + "\" title=\"" + file.name + "\"/>" +
"<br/><span class=\"removeImg\">Remove image</span>" +
"</span>").insertAfter("#files");
$(".removeImg").click(function(){
$(this).parent(".pip").remove();
});
// Old code here
/*$("<img></img>", {
class: "imageThumb",
src: e.target.result,
title: file.name + " | Click to remove"
}).insertAfter("#files").click(function(){$(this).remove();});*/
});
fileReader.readAsDataURL(f);
}
});
} else {
alert("Your browser doesn't support to File API")
}
});
</script>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
HTML
<div class="field" align="left">
<h3>Upload your images</h3>
<input type="file" id="files" name="files[]" multiple />
</div>
但是在某个地方,当我单击表单上的提交按钮时,它只向我发送一个文件的数组,这是最后更新的文件。我想要它的数组..以便我稍后可以处理该数据。
请帮帮我。
最佳答案
我已经测试了您的代码,它工作正常,您只需要将 for 循环中的 count 变量替换为 filesLength 变量,然后您将获得所有图像,而不是您之前获得的最后一张图像!下面是更正后的代码。运行代码,它将为您工作!在 upload.php 中写入时,您将获得您选择的图像数量!
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.2.2/jquery.min.js"></script>
<script type="text/javascript">
var count =0;
$(document).ready(function() {
if (window.File && window.FileList && window.FileReader) {
$("#files").on("change", function(e) {
var files = e.target.files,
filesLength = files.length;
console.log(filesLength);
count++;
for (var i = 0; i < filesLength; i++) {
var f = files[i]
var fileReader = new FileReader();
fileReader.onload = (function(e) {
var file = e.target;
$("<span class=\"pip\">" +
"<img class=\"imageThumb\" src=\"" + e.target.result + "\" title=\"" + file.name + "\"/>" +
"<br/><span class=\"removeImg\">Remove image</span>" +
"</span>").insertAfter("#files");
$(".removeImg").click(function(){
$(this).parent(".pip").remove();
});
// Old code here
/*$("<img></img>", {
class: "imageThumb",
src: e.target.result,
title: file.name + " | Click to remove"
}).insertAfter("#files").click(function(){$(this).remove();});*/
});
fileReader.readAsDataURL(f);
}
});
} else {
alert("Your browser doesn't support to File API")
}
});
</script>
<form id="imageform" method="post" enctype="multipart/form-data" action="upload.php">
<div class="field" align="left">
<h3>Upload your images</h3>
<input type="file" id="files" name="files[]" multiple />
</div>
<input type="submit" name="submit" value="Submit">
</form>
<form id="imageform" method="post" enctype="multipart/form-data">
<div class="field" align="left">
<h3>Upload your images</h3>
<input type="file" id="files" name="files[]" multiple />
</div>
<input type="submit" name="submit" value="Submit">
</form>
关于javascript - 数组上的多个图像上传 - Javascript/Jquery,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/37247729/