Twitter bootstrap Dropzone.js现有文件的缩略图大小
在接下来的教程中，我成功地在初始化时将文件列表保存在服务器文件夹中。 我使用的是引导主题，如前所述，但图像是按完整大小列出的，忽略了缩略图大小参数 屏幕截图： js：Twitter bootstrap Dropzone.js现有文件的缩略图大小,twitter-bootstrap,dropzone.js,Twitter Bootstrap,Dropzone.js,在接下来的教程中，我成功地在初始化时将文件列表保存在服务器文件夹中。 我使用的是引导主题，如前所述，但图像是按完整大小列出的，忽略了缩略图大小参数 屏幕截图： js： // DROPZONE Dropzone.autoDiscover = false; // Get the template HTML and remove it from the doumenthe template HTML and remove it from the doument var
// DROPZONE
Dropzone.autoDiscover = false;
// Get the template HTML and remove it from the doumenthe template HTML and remove it from the doument
var previewNode = document.querySelector("#template");
previewNode.id = "";
var previewTemplate = previewNode.parentNode.innerHTML;
previewNode.parentNode.removeChild(previewNode);
var myDropzone = new Dropzone("div#previews", { // Make the whole body a dropzone
url: "allegati.php", // Set the url
thumbnailWidth: 80,
thumbnailHeight: 80,
parallelUploads: 20,
createImageThumbnails: true,
previewTemplate: previewTemplate,
autoQueue: true, // Make sure the files aren't queued until manually added
previewsContainer: "#previews", // Define the container to display the previews
clickable: ".fileinput-button", // Define the element that should be used as click trigger to select files.
init: function() {
thisDropzone = this;
$.get('allegati.php', function(data) {
if(data) {
$.each(data, function(key,value) {
var mockFile = {name: value.name, size: value.size};
thisDropzone.options.addedfile.call(thisDropzone, mockFile);
thisDropzone.options.thumbnail.call(thisDropzone, mockFile, "uploads/"+value.name);
thisDropzone.options.complete.call(thisDropzone, mockFile);
thisDropzone.options.processing.call(thisDropzone, mockFile);
thisDropzone.options.success.call(thisDropzone, mockFile);
});
}
});
},
removedfile: function(file) {
var name = file.name;
$.ajax({
type: 'POST',
url: 'allegati.php?delete=true?XDEBUG_SESSION_START',
data: "fileId="+name,
dataType: 'html'
});
var _ref;
$('form input').filter(function(){return this.value==name}).remove();
return (_ref = file.previewElement) != null ? _ref.parentNode.removeChild(file.previewElement) : void 0;
},
});
myDropzone.on("addedfile", function(file) {
// Hookup the start button
file.previewElement.querySelector(".start").onclick = function() { myDropzone.enqueueFile(file); };
});
// Update the total progress bar
myDropzone.on("totaluploadprogress", function(progress) {
document.querySelector("#total-progress .progress-bar").style.width = progress + "%";
});
myDropzone.on("sending", function(file) {
// Show the total progress bar when upload starts
document.querySelector("#total-progress").style.opacity = "1";
// And disable the start button
file.previewElement.querySelector(".start").setAttribute("disabled", "disabled");
});
// Hide the total progress bar when nothing's uploading anymore
myDropzone.on("queuecomplete", function(progress) {
document.querySelector("#total-progress").style.opacity = "0";
});
// Setup the buttons for all transfers
// The "add files" button doesn't need to be setup because the config
// `clickable` has already been specified.
document.querySelector("#actions .start").onclick = function() {
myDropzone.enqueueFiles(myDropzone.getFilesWithStatus(Dropzone.ADDED));
};
document.querySelector("#actions .cancel").onclick = function() {
myDropzone.removeAllFiles(true);
};
<div id="actions" class="row">
<style>
html, body {
height: 100%;
}
#actions {
margin: 2em 0;
}
/* Mimic table appearance */
div.table {
display: table;
}
div.table .file-row {
display: table-row;
}
div.table .file-row > div {
display: table-cell;
vertical-align: top;
border-top: 1px solid #ddd;
padding: 8px;
}
div.table .file-row:nth-child(odd) {
background: #f9f9f9;
}
/* The total progress gets shown by event listeners */
#total-progress {
opacity: 0;
transition: opacity 0.3s linear;
}
/* Hide the progress bar when finished */
#previews .file-row.dz-success .progress {
opacity: 0;
transition: opacity 0.3s linear;
}
/* Hide the delete button initially */
#previews .file-row .delete {
display: none;
}
/* Hide the start and cancel buttons and show the delete button */
#previews .file-row.dz-success .start,
#previews .file-row.dz-success .cancel {
display: none;
}
#previews .file-row.dz-success .delete {
display: block;
}
</style>
<div class="col-lg-7">
<!-- The fileinput-button span is used to style the file input field as button -->
<span class="btn btn-success fileinput-button">
<i class="glyphicon glyphicon-plus"></i>
<span>Add files...</span>
</span>
<button type="submit" class="btn btn-primary start">
<i class="glyphicon glyphicon-upload"></i>
<span>Start upload</span>
</button>
<button type="reset" class="btn btn-warning cancel">
<i class="glyphicon glyphicon-ban-circle"></i>
<span>Cancel upload</span>
</button>
</div>
<div class="col-lg-5">
<!-- The global file processing state -->
<span class="fileupload-process">
<div id="total-progress" class="progress progress-striped active" role="progressbar" aria-valuemin="0" aria-valuemax="100" aria-valuenow="0">
<div class="progress-bar progress-bar-success" style="width:0%;" data-dz-uploadprogress></div>
</div>
</span>
</div>
</div>
<!-- HTML heavily inspired by http://blueimp.github.io/jQuery-File-Upload/ -->
<div class="table table-striped" class="files" id="previews">
<div id="template" class="file-row">
<!-- This is used as the file preview template -->
<div>
<span class="preview"><img data-dz-thumbnail /></span>
</div>
<div>
<p class="name" data-dz-name></p>
<strong class="error text-danger" data-dz-errormessage></strong>
</div>
<div>
<p class="size" data-dz-size></p>
<div class="progress progress-striped active" role="progressbar" aria-valuemin="0" aria-valuemax="100" aria-valuenow="0">
<div class="progress-bar progress-bar-success" style="width:0%;" data-dz-uploadprogress></div>
</div>
</div>
<div>
<button class="btn btn-primary start">
<i class="glyphicon glyphicon-upload"></i>
<span>Start</span>
</button>
<button data-dz-remove class="btn btn-warning cancel">
<i class="glyphicon glyphicon-ban-circle"></i>
<span>Cancel</span>
</button>
<button data-dz-remove class="btn btn-danger delete">
<i class="glyphicon glyphicon-trash"></i>
<span>Delete</span>
</button>
</div>
</div>
</div>
</div>
// DROPZONE
Dropzone.autoDiscover = false;
// Get the template HTML and remove it from the doumenthe template HTML and remove it from the doument
var previewNode = document.querySelector("#template");
previewNode.id = "";
var previewTemplate = previewNode.parentNode.innerHTML;
previewNode.parentNode.removeChild(previewNode);
var myDropzone = new Dropzone("div#previews", { // Make the whole body a dropzone
url: "allegati.php", // Set the url
thumbnailWidth: 80,
thumbnailHeight: 80,
parallelUploads: 20,
createImageThumbnails: true,
previewTemplate: previewTemplate,
autoQueue: true, // Make sure the files aren't queued until manually added
previewsContainer: "#previews", // Define the container to display the previews
clickable: ".fileinput-button", // Define the element that should be used as click trigger to select files.
init: function() {
thisDropzone = this;
$.get('allegati.php', function(data) {
if(data) {
$.each(data, function(key,value) {
var mockFile = {name: value.name, size: value.size};
thisDropzone.options.addedfile.call(thisDropzone, mockFile);
thisDropzone.options.thumbnail.call(thisDropzone, mockFile, "uploads/"+value.name);
thisDropzone.options.complete.call(thisDropzone, mockFile);
thisDropzone.options.processing.call(thisDropzone, mockFile);
thisDropzone.options.success.call(thisDropzone, mockFile);
});
}
});
},
removedfile: function(file) {
var name = file.name;
$.ajax({
type: 'POST',
url: 'allegati.php?delete=true?XDEBUG_SESSION_START',
data: "fileId="+name,
dataType: 'html'
});
var _ref;
$('form input').filter(function(){return this.value==name}).remove();
return (_ref = file.previewElement) != null ? _ref.parentNode.removeChild(file.previewElement) : void 0;
},
});
myDropzone.on("addedfile", function(file) {
// Hookup the start button
file.previewElement.querySelector(".start").onclick = function() { myDropzone.enqueueFile(file); };
});
// Update the total progress bar
myDropzone.on("totaluploadprogress", function(progress) {
document.querySelector("#total-progress .progress-bar").style.width = progress + "%";
});
myDropzone.on("sending", function(file) {
// Show the total progress bar when upload starts
document.querySelector("#total-progress").style.opacity = "1";
// And disable the start button
file.previewElement.querySelector(".start").setAttribute("disabled", "disabled");
});
// Hide the total progress bar when nothing's uploading anymore
myDropzone.on("queuecomplete", function(progress) {
document.querySelector("#total-progress").style.opacity = "0";
});
// Setup the buttons for all transfers
// The "add files" button doesn't need to be setup because the config
// `clickable` has already been specified.
document.querySelector("#actions .start").onclick = function() {
myDropzone.enqueueFiles(myDropzone.getFilesWithStatus(Dropzone.ADDED));
};
document.querySelector("#actions .cancel").onclick = function() {
myDropzone.removeAllFiles(true);
};
<div id="actions" class="row">
<style>
html, body {
height: 100%;
}
#actions {
margin: 2em 0;
}
/* Mimic table appearance */
div.table {
display: table;
}
div.table .file-row {
display: table-row;
}
div.table .file-row > div {
display: table-cell;
vertical-align: top;
border-top: 1px solid #ddd;
padding: 8px;
}
div.table .file-row:nth-child(odd) {
background: #f9f9f9;
}
/* The total progress gets shown by event listeners */
#total-progress {
opacity: 0;
transition: opacity 0.3s linear;
}
/* Hide the progress bar when finished */
#previews .file-row.dz-success .progress {
opacity: 0;
transition: opacity 0.3s linear;
}
/* Hide the delete button initially */
#previews .file-row .delete {
display: none;
}
/* Hide the start and cancel buttons and show the delete button */
#previews .file-row.dz-success .start,
#previews .file-row.dz-success .cancel {
display: none;
}
#previews .file-row.dz-success .delete {
display: block;
}
</style>
<div class="col-lg-7">
<!-- The fileinput-button span is used to style the file input field as button -->
<span class="btn btn-success fileinput-button">
<i class="glyphicon glyphicon-plus"></i>
<span>Add files...</span>
</span>
<button type="submit" class="btn btn-primary start">
<i class="glyphicon glyphicon-upload"></i>
<span>Start upload</span>
</button>
<button type="reset" class="btn btn-warning cancel">
<i class="glyphicon glyphicon-ban-circle"></i>
<span>Cancel upload</span>
</button>
</div>
<div class="col-lg-5">
<!-- The global file processing state -->
<span class="fileupload-process">
<div id="total-progress" class="progress progress-striped active" role="progressbar" aria-valuemin="0" aria-valuemax="100" aria-valuenow="0">
<div class="progress-bar progress-bar-success" style="width:0%;" data-dz-uploadprogress></div>
</div>
</span>
</div>
</div>
<!-- HTML heavily inspired by http://blueimp.github.io/jQuery-File-Upload/ -->
<div class="table table-striped" class="files" id="previews">
<div id="template" class="file-row">
<!-- This is used as the file preview template -->
<div>
<span class="preview"><img data-dz-thumbnail /></span>
</div>
<div>
<p class="name" data-dz-name></p>
<strong class="error text-danger" data-dz-errormessage></strong>
</div>
<div>
<p class="size" data-dz-size></p>
<div class="progress progress-striped active" role="progressbar" aria-valuemin="0" aria-valuemax="100" aria-valuenow="0">
<div class="progress-bar progress-bar-success" style="width:0%;" data-dz-uploadprogress></div>
</div>
</div>
<div>
<button class="btn btn-primary start">
<i class="glyphicon glyphicon-upload"></i>
<span>Start</span>
</button>
<button data-dz-remove class="btn btn-warning cancel">
<i class="glyphicon glyphicon-ban-circle"></i>
<span>Cancel</span>
</button>
<button data-dz-remove class="btn btn-danger delete">
<i class="glyphicon glyphicon-trash"></i>
<span>Delete</span>
</button>
</div>
</div>
</div>
</div>
html，正文{
身高：100%；
}
#行动{
利润率：2米0；
}
/*模拟表外观*/
分区表{
显示：表格；
}
div.table.file行{
显示：表格行；
}
div.table.file行>div{
显示：表格单元格；
垂直对齐：顶部；
边框顶部：1px实心#ddd；
填充：8px；
}
div.table.file行：第n个子项（奇数）{
背景#f9f9f9；
}
/*总进度由事件侦听器显示*/
#总进度{
不透明度：0；
过渡：不透明度0.3s线性；
}
/*完成后隐藏进度条*/
#previews.file-row.dz-success.progress{
不透明度：0；
过渡：不透明度0.3s线性；
}
/*最初隐藏删除按钮*/
#预览。文件行。删除{
显示：无；
}
/*隐藏“开始”和“取消”按钮，并显示“删除”按钮*/
#previews.file-row.dz-success.start，
#previews.file-row.dz-success.取消{
显示：无；
}
#previews.file-row.dz-success.delete{
显示：块；
}
添加文件。。。
开始上传
取消上传
开始
取消
删除
alex在缩略图配置中使用相同值的样式
.dropzone .dz-preview .dz-image {
width: 80px;
height: 80px;
}
使用与缩略图配置中的值相同的样式
.dropzone .dz-preview .dz-image {
width: 80px;
height: 80px;
}