电子信息牌统计，去除%号，保留2位小数

zd-modules/zd-airbottle/src/main/java/com/zd/airbottle/controller/DbStockController.java

@@ -488,7 +488,7 @@ public class DbStockController extends AbstractController {
                 if(i<num){
                     backVo.setGasName(list.get(i).getGasName());
                     backVo.setTotalNum(list.get(i).getTotalNum());
-                    backVo.setRatio(myPercent(list.get(i).getTotalNum(),totalNum,"##.0%"));
+                    backVo.setRatio(myPercent(list.get(i).getTotalNum(),totalNum,"##.##"));
                     backList.add(backVo);
                 }else{
                     p=p+list.get(i).getTotalNum();
@@ -499,7 +499,7 @@ public class DbStockController extends AbstractController {
                 DbStockVo backVo2 = new DbStockVo();
                 backVo2.setGasName("其它");
                 backVo2.setTotalNum(p);
-                backVo2.setRatio(myPercent(p,totalNum,"##.0%"));
+                backVo2.setRatio(myPercent(p,totalNum,"##.##"));
                 backList.add(backVo2);
             }
         }
@@ -554,7 +554,7 @@ public class DbStockController extends AbstractController {
      */
     public String myPercent(Integer y, Integer z, String format) {
         if (0 == y || 0 == z) {
-            return "0%";
+            return "0";
         }
         // 接受百分比的值
         String baifenbi = "";