文件上传页面增加前端限制

src/main/resources/templates/mail/risk_upload.html

@@ -325,7 +325,7 @@
                                         <img ng-src="{{material.file10_url}}" class="col-sm-10 logo-width"></a>
                                     </div>
                                 </div>
-                                <div class="form-group">
+                                <div class="form-group" ng-class="{'has-error':uploadForm.description.$invalid && uploadForm.description.$dirty}">
                                     <label class="control-label col-sm-3">* Description</label>
                                     <div class="col-sm-9">
                     <textarea class="form-control" required
@@ -344,7 +344,7 @@
                     </form>
 
                     <div style="text-align: center">
-                        <a role="button" style="margin-bottom: 25px;" class="btn btn-success btn-sm ng-scope"
+                        <a role="button" style="margin-bottom: 25px;" class="btn btn-success btn-sm ng-scope" ng-disabled="!(material.description)"
                            ng-click="submit(uploadForm)">Submit</a>
                     </div>