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我最近2天试图解决我的问题,没有正确的解决方案,我真的需要帮助。即使我使用预览,整个表单上的Dropzone显示屏容器
这是我的形式:
<% simple_form_for @something , html: { class: "form-horizontal dropzone"} do |f| %>
<% f.input :title %>
<% f.input :description %>
<div class="dropzone-previews">
<div class="fallback">
<%= f.simple_fields_for :uploads do |u| %>
<%= u.input :attachment, as: :file, multiple: true %>
<% end %>
</div>
</div>
和JS:
$(function() {
Dropzone.autoDiscover = false;
var mediaDropzone;
mediaDropzone = new Dropzone(".dropzone", {
maxFiles: 2,
previewsContainer: '.dropzone-previews',
addRemoveLinks: true,
paramName: "issue[uploads_attributes][][attachment]",
autoProcessQueue: true,
clickable: true,
headers: {
'X-CSRF-Token': $('meta[name="csrf-token"]').attr('content')
}
});
mediaDropzone.on('sending', (file, xhr, formData) => {
$.each(file.postData, function(k, v){
formData.append(k, v);
});
});
});
上传工作正常,一切正常,除了预览。