新增文章（2024-3-28）

 

所花时间（包括上课）：	1  h左右
代码量（行）：	150    左右
搏客量（篇）：	1
了解到的知识点：
备注（其他）：

//controller
package com.di.bigevent.controller;

import com.di.bigevent.pojo.Article;
import com.di.bigevent.pojo.Result;
import com.di.bigevent.service.ArticleService;
import com.di.bigevent.utils.JwtUtil;
import jakarta.servlet.http.HttpServletResponse;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.Map;

@RestController
@RequestMapping("/article")
public class ArticleController {

    @Autowired
    private ArticleService articleService;

    @PostMapping
    public Result add(@RequestBody Article article){
        articleService.add(article);
        return Result.success();
    }
}


//service
package com.di.bigevent.service;

import com.di.bigevent.pojo.Article;


public interface ArticleService {
    //新增文章
    void add(Article article);
}


//serviceImpl
package com.di.bigevent.service.impl;

import com.di.bigevent.mapper.ArticleMapper;
import com.di.bigevent.pojo.Article;
import com.di.bigevent.service.ArticleService;
import com.di.bigevent.utils.ThreadLocalUtil;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.time.LocalDateTime;
import java.util.Map;

@Service
public class ArticleServiceImpl implements ArticleService {

    @Autowired
    private ArticleMapper articleMapper;
    @Override
    public void add(Article article) {

        article.setCreateTime(LocalDateTime.now());
        article.setUpdateTime(LocalDateTime.now());
        Map<String,Object> map = ThreadLocalUtil.get();
        Integer userId = (Integer)map.get("id");
        article.setCreateUser(userId);

        articleMapper.add(article);
    }
}


//mapper
package com.di.bigevent.mapper;

import com.di.bigevent.pojo.Article;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;

@Mapper
public interface ArticleMapper {
    @Insert("insert into article(title,content,cover_img,state,category_id,create_user,create_time,update_time)"+
            "values(#{title},#{content},#{coverImg},#{state},#{categoryId},#{createUser},#{createTime},#{updateTime})")
    void add(Article article);
}