空校验；提高代码的健壮性

zhangc

2025-01-09 a66b19e1c09201a922735c2325ca04df7fe544af

 src/main/java/com/zy/asrs/service/impl/MatServiceImpl.java

@@ -21,5 +21,10 @@
        return this.baseMapper.selectByMatnr(matnr);
    }

    @Override
    public Mat selectByBarcode(String barcode) {
        return this.baseMapper.selectByBarcode(barcode);
    }


}