4.19

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代码量 80

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//controller
@PutMapping
    public Result update(@RequestBody @Validated Article article){
        articleService.update(article);
        return Result.success();
    }

//service
void update(Article article);

//serviceImpl
 @Override
    public void update(Article article) {
        article.setUpdateTime(LocalDateTime.now());
        articleMapper.update(article);
    }

//mapper
@Update("update article set title=#{title},content=#{content},cover_img=#{coverImg},state=#{state},category_id=#{categoryId},update_time=#{updateTime} where id=#{id}")
    void update(Article article);