refactor(stock): 优化库存查询逻辑并清理无用导入

liyong

2026-04-30 e42877680e756d0eeed33d564845c5c2032d14e3

 src/main/java/com/ruoyi/production/dto/ProductStructureDto.java

@@ -31,4 +31,7 @@

    @TableField(exist = false)
    private List<ProductStructureDto> children;

    //物料编码
    private String materialCode;
}