Java后端检查空条件查询

通过抛出运行异常：throw new RuntimeException("请输入查询条件！");BranchWarehouseServiceImpl.java

    // 查询试剂交易（入库/出库）记录@Overridepublic List<BranchWarehouseTransactions> queryForReagent(BranchWarehouseTransactionsQueryDTO queryDTO) {if ((queryDTO.getTransactionTime() == null || queryDTO.getTransactionTime().isEmpty()) &&queryDTO.getTransactionType() == null &&(queryDTO.getMaterialName() == null || queryDTO.getMaterialName().isEmpty())) {throw new RuntimeException("请输入查询条件！");}return branchWarehouseMapper.selectForReagent(queryDTO);}

 前端应用效果：