出现空指针异常

zhangc

2025-01-08 617a8c4fc0b81ec4b96db8a013a91f4e666b0b96

 src/main/java/com/zy/asrs/mapper/MatMapper.java

@@ -17,4 +17,6 @@

    Mat selectByMatnr(@Param("matnr")String matnr);

    Mat selectByBarcode(@Param("barcode")String barcode);

}