导出u8凭证返回格式修改

src/custom/restcontroller/sale/cashbill/cashbill.java

@@ -1178,15 +1178,12 @@ public class cashbill extends Controller {
         if(agentList.isEmpty()){
             result.put("errinfo",jsonArray);
         }else{
-            StringBuffer fagentnums = new StringBuffer();
             for(String str : agentList){
-                fagentnums.append(str+",");
+                JSONObject object = new JSONObject();
+                object.put("agents", str);
+                object.put("errmsg", "未维护U8科目");
+                jsonArray.add(object);
             }
-
-            JSONObject object = new JSONObject();
-            object.put("agents", fagentnums.toString().substring(0, fagentnums.toString().length()-1));
-            object.put("errmsg", "未维护U8科目");
-            jsonArray.add(object);
             result.put("errinfo", jsonArray);
         }