修改上传附件删除按钮的位置

app/helpers/application_helper.rb

@@ -450,6 +450,13 @@ module ApplicationHelper
     return time
   end
 
+  def judge_Chinese_num str
+    cn_reg = /[\u4e00-\u9fa5]{1}/
+    cn_number = str.scan(cn_reg).size
+    en_number = str.size - cn_number
+    size = 1.9* cn_number + en_number
+  end
+
   # homework_common状态
   # 0：挂起；1：提交中；2：匿评中；3：评阅中
   def new_homework_common_status status

app/views/users/_user_homework_attachment.html.erb

@@ -5,7 +5,8 @@
         <span class="attachment" id="attachments_p<%= i %>">
           <label class="panel-form-label fl">&nbsp;</label>
           <i class="fa fa-folder mr5 color-light-grey" aria-hidden="true"></i>
-          <%= text_field_tag("attachments[p#{i}][filename]", attachment.filename, :class => 'readonly hidden atta_input', :style => 'border:none; max-width:980px;', :readonly=>'readonly')%>
+          <% size = judge_Chinese_num attachment.filename %>
+          <%= text_field_tag("attachments[p#{i}][filename]", attachment.filename, :class => 'upload_filename readonly hidden', :size => size, :style => 'border:none; max-width:980px;white-space: nowrap; text-overflow:ellipsis;font-family: Consolas;', :readonly=>'readonly')%>
           <%= text_field_tag("attachments[p#{i}][description]", attachment.description, :maxlength => 254, :placeholder => l(:label_optional_description), :class => 'description', :style=>"display: inline-block;") %>
           <span class="ispublic-label"><%= l(:field_is_public)%>:</span>
           <%= check_box_tag("attachments[p#{i}][is_public_checkbox]", attachment.is_public,attachment.is_public == 1 ? true : false,:class => 'is_public')%>

public/javascripts/attachments.js

@@ -177,7 +177,7 @@ function addFile(inputEl, file, eagerUpload,btnId) {
            var ch = file.name[i];
            var judge = regex.test(ch);
             if(regex.test(ch)){
-                iSize += 1.8;
+                iSize += 1.9;
             }else{
                 iSize += 1;
             }