附件上传增加校验脚本

o2web/source/x_component_process_FormDesigner/Module/Attachment/attachment.html

@@ -244,6 +244,10 @@
                 </td>
             </tr>
         </table>
+        <div style="height: 28px; font-weight: bold; line-height:28px; background-color: #EEE; padding: 0px 6px; border-top: 1px solid #999">上传时校验</div>
+        <div>可以通过this.target.uploadingFiles获取当前正在上传的附件。返回true表示通过，返回文本系统提示文本后中断上传。</div>
+        <div class="MWFScriptArea" name="uploadValidation" title="上传时校验脚本 (S)"></div>
+
     </div>
 
     <div title="{{$.lp.event}}"  class="MWFTab" style="overflow: hidden">

o2web/source/x_component_process_Xform/Attachment.js

@@ -1379,6 +1379,17 @@ MWF.xApplication.process.Xform.Attachment = MWF.APPAttachment = new Class(
                     return false;
                 }
             }
+
+            this.uploadingFiles = files;
+            if (this.json.uploadValidation && this.json.uploadValidation.code) {
+                var flag = this.form.Macro.exec(this.json.uploadValidation.code, this);
+                if (!flag) flag = "附件校验未通过。";
+                if (flag.toString()!="true"){
+                    this.form.notice(flag, "error");
+                    return false;
+                }
+            }
+
             this.fireEvent("beforeUpload", [files]);
             return true;
         }.bind(this), true, accept, size, function (o) { //错误的回调