完全復(fù)制老師代碼,利用postman刪除一條數(shù)據(jù)時(shí),拋出異常 空針,直接忽略還是需要處理?
完全復(fù)制老師代碼,利用postman刪除一條數(shù)據(jù)時(shí),拋出異常 空針,直接忽略還是需要處理?
java.lang.NullpointerException:null???? 請問需要如何處理?
完全復(fù)制老師代碼,利用postman刪除一條數(shù)據(jù)時(shí),拋出異常 空針,直接忽略還是需要處理?
java.lang.NullpointerException:null???? 請問需要如何處理?
2018-05-15
舉報(bào)
2019-09-07
@DeleteMapping("/luckymoneys/{id}") public?Result?deleteById(@PathVariable?Integer?id){ ????service.delete(id); ???return??ResultUtil.success(null); }public?void?delete(Integer?id)?{ ????Luckymoney?luckymoney?=?new?Luckymoney(); ????luckymoney.setId(id); ????repository.delete(luckymoney); }@Pointcut("execution(public?*?com.imooc.luckymoney.controller.LuckMoneyController.*(..))?&&?!execution(public?*?com.imooc.luckymoney.controller.LuckMoneyController.delete*(..))"?) public?void?log()?{ }把delete從切入表達(dá)式中去除?;蛘咝露x一個(gè)切入表達(dá)式,讓delete方法使用該切入點(diǎn)↓
@Pointcut("execution(public?*?com.imooc.luckymoney.controller.LuckMoneyController.*(..))?&&?!execution(public?*?com.imooc.luckymoney.controller.LuckMoneyController.delete*(..))"?) public?void?logByDel(){ }2018-09-20
@DeleteMapping("/girls/{id}") public?void?girlDelete(@PathVariable("id")?Integer?id){ ????????girlRepository.deleteById(id); ????throw?new?GirlException(ResultEnum.SUCCESS); }無返回值的加個(gè)
就餓可以了
2018-06-23
2018-05-20
我的也會(huì)出現(xiàn)這種情況,能成功刪除數(shù)據(jù),但是會(huì)報(bào)空指針錯(cuò)誤!
2018-05-15
數(shù)據(jù)庫沒數(shù)據(jù)吧