我花了很多时间在网上搜索一个非常简单和基本的jQuery插件，允许我上传文件而不刷新页面，我不想要这些大插件用他们所有的花哨技术，我想要它很容易添加到我的网站。所以我刚刚制作了自己的小jQuery插件，我决定与大家分享，以防其他人正在寻找一个。现在我不是创建jQuery插件的专家，所以如果我有任何改进，请告诉我。
所以这是：
这是您可以设置使用它的html表单：
<form enctype="multipart/form-data" class="fileUpload">
<input type="file" name="uploadFile" />
</form>
这是插件的调用方式：
$("body").on("change", ".fileUpload", function(){
$(this).fileUpload({
form: $(this), //selector of the form
actionURL: "uploadPhoto.php", //directory to handle upload
success: function(html){
//on successful upload, in this case if there is any html returned
$("body").prepend(html);
},
error: function(){
}
});
});
这是插件本身：
(function($){
$.fn.extend({
fileUpload: function(options) {
var defaults = {
form: null,
actionURL: null,
success: function(){},
error: function(){},
};
var options = $.extend(defaults, options);
return this.each(function() {
$('<iframe />', {
id: 'upload_iframe',
name: 'upload_iframe',
style: 'width:0; height:0; border:none;'
}).appendTo('body');
var form = $(options.form);
form.attr("action", options.actionURL);
form.attr("method", "post");
form.attr("enctype", "multipart/form-data");
form.attr("encoding", "multipart/form-data");
form.attr("target", "upload_iframe");
form.submit();
$("#upload_iframe").load(function () {
html = $("#upload_iframe")[0].contentWindow.document.body.innerHTML;
html!='' ? options.success.call(this, html) : options.error.call(this);
$("iframe#upload_iframe").remove();
});
});
}
});
})(jQuery);
uploadPhoto.php：
foreach($_FILES as $file)
{
foreach ($file['uploadFile'] as $name)
{
$fileArr = explode("." , $name);
$ext = strtolower($fileArr[count($fileArr)-1]);
$allowed = array("jpg", "jpeg", "png", "gif", "bmp");
if(in_array($ext, $allowed))
{
$source = $file['tmp_name'][$i++];
$path = "images/";
$filename = uniqid();
if (move_uploaded_file($source, $path.$filename.$ext))
{
//Do whatever on success of file upload
}
}
}
}