优化商品导入Excel，获取真实的行数，剔除掉空白行

jshERP-boot/src/main/java/com/jsh/erp/service/material/MaterialService.java

@@ -471,17 +471,19 @@ public class MaterialService {
             }
             Workbook workbook = Workbook.getWorkbook(file.getInputStream());
             Sheet src = workbook.getSheet(0);
+            //获取真实的行数，剔除掉空白行
+            int rightRows = ExcelUtils.getRightRows(src);
             List<Depot> depotList= depotService.getDepot();
             int depotCount = depotList.size();
             Map<String, Long> depotMap = parseDepotToMap(depotList);
             User user = userService.getCurrentUser();
             List<MaterialWithInitStock> mList = new ArrayList<>();
             //单次导入超出1000条
-            if(src.getRows()>1002) {
+            if(rightRows > 1002) {
                 throw new BusinessRunTimeException(ExceptionConstants.MATERIAL_IMPORT_OVER_LIMIT_CODE,
                         String.format(ExceptionConstants.MATERIAL_IMPORT_OVER_LIMIT_MSG));
             }
-            for (int i = 2; i < src.getRows(); i++) {
+            for (int i = 2; i < rightRows; i++) {
                 String name = ExcelUtils.getContent(src, i, 0); //名称
                 String standard = ExcelUtils.getContent(src, i, 1); //规格
                 String model = ExcelUtils.getContent(src, i, 2); //型号

jshERP-boot/src/main/java/com/jsh/erp/utils/ExcelUtils.java

@@ -207,6 +207,31 @@ public class ExcelUtils {
 		}
 	}
 
+	/**
+	 * 获取真实的行数，剔除掉空白行
+	 * @param src
+	 * @return
+	 */
+	public static int getRightRows(Sheet src) {
+		int rsRows = src.getRows(); //行数
+		int rsCols = src.getColumns(); //列数
+		int nullCellNum;
+		int rightRows = rsRows;
+		for (int i = 1; i < rsRows; i++) { //统计行中为空的单元格数
+			nullCellNum = 0;
+			for (int j = 0; j < rsCols; j++) {
+				String val = src.getCell(j, i).getContents().trim();
+				if (StringUtils.isEmpty(val)) {
+					nullCellNum++;
+				}
+			}
+			if (nullCellNum >= rsCols) { //如果nullCellNum大于或等于总的列数
+				rightRows--; //行数减一
+			}
+		}
+		return rightRows;
+	}
+
 	public static String getDateContent(Sheet src, int rowNum, int colNum) {
 		// 日期 类型的处理
 		Cell c = src.getRow(rowNum)[colNum];