解决导出时被除数为0

jjt-biz/src/main/java/com/jjt/biz/service/impl/BrokenYarnExportServiceImpl.java

@@ -75,7 +75,11 @@ public class BrokenYarnExportServiceImpl {
 
         cell = sheet.getRow(2).getCell(1);
         cell.setCellValue(openDevices);
-        BigDecimal avgOpenTimes = totOpenTimes.divide(BigDecimal.valueOf(openDevices), 0, RoundingMode.HALF_UP);
+
+        BigDecimal avgOpenTimes = BigDecimal.ZERO;
+        if (openDevices > 0) {
+            avgOpenTimes = totOpenTimes.divide(BigDecimal.valueOf(openDevices), 0, RoundingMode.HALF_UP);
+        }
 
         cell = sheet.getRow(3).getCell(1);
         cell.setCellValue(Tools.convertHMS(totOpenTimes.longValue()));
@@ -158,10 +162,10 @@ public class BrokenYarnExportServiceImpl {
         int[] pos = {0, 10, 5, 30};
         int[] data = {2, 8, 3, 3};
         int[] xdata = {2, 8, 0, 0};
-        drawBar(sheet, "停机次数占比", "停机原因", pos, xdata, data,BarDirection.BAR);
+        drawBar(sheet, "停机次数占比", "停机原因", pos, xdata, data, BarDirection.BAR);
         int[] pos1 = {6, 10, 16, 30};
         int[] data1 = {2, 8, 4, 4};
-        drawBar(sheet, "停机时长占比", "停机原因", pos1, xdata, data1,BarDirection.BAR);
+        drawBar(sheet, "停机时长占比", "停机原因", pos1, xdata, data1, BarDirection.BAR);
 
         brokenYarn(wb, yarnStopList, stopTime[1], stopList.size());
         yarn(wb, yarnStopList, dateStyle, timeStyle, p2);
@@ -226,7 +230,7 @@ public class BrokenYarnExportServiceImpl {
         int[] pos = {10, 2, 16, rn};
         int[] data = {2, rn, 1, 1};
         int[] xdata = {2, rn, 0, 0};
-        drawBar(sheet, "断纱停机周TOP", "设备名称", pos, xdata, data,BarDirection.BAR);
+        drawBar(sheet, "断纱停机周TOP", "设备名称", pos, xdata, data, BarDirection.BAR);
         drawTopLine(sheet, rn);
     }
 
@@ -332,7 +336,7 @@ public class BrokenYarnExportServiceImpl {
         chart.plot(data);
     }
 
-    public void drawBar(XSSFSheet sheet, String title, String xTitle, int[] pos, int[] xdata, int[] data,BarDirection barDirection) {
+    public void drawBar(XSSFSheet sheet, String title, String xTitle, int[] pos, int[] xdata, int[] data, BarDirection barDirection) {
         // 创建一个画布
         XSSFDrawing drawing = sheet.createDrawingPatriarch();
         // 前四个默认0，[0,5]：从0列5行开始;[7,26]:到7列26行结束