4.18

花费时间 30分钟

代码量 20

搏客量 1篇

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//controller
@GetMapping("/detail")
    public Result detail(Integer id){
        Article a = articleService.detail(id);
        return Result.success(a);
    }

//service
 Article detail(Integer id);

//serviceImpl
 @Override
    public Article detail(Integer id) {
        Article a = articleMapper.detail(id);
        return a;
    }

//mapper
@Select("select * from article where id = #{id}")
    Article detail(Integer id);