Springboot新增文章

 

Article

package com.lin.springboot01.pojo;
import jakarta.validation.constraints.NotEmpty;
import jakarta.validation.constraints.NotNull;
import jakarta.validation.constraints.Pattern;
import lombok.Data;
import org.hibernate.validator.constraints.URL;
 
import java.time.LocalDateTime;
 
@Data
public class Article {
    private Integer id;
    @NotEmpty
    @Pattern(regexp = "^\\S{1,16}$")
    private String title;
    @NotEmpty
    private String content;
    @NotEmpty
    @URL
    private String coverImg;
    private String state;
    @NotNull
    private Integer categoryId;
    private Integer createUser;
    private LocalDateTime createTime;
    private LocalDateTime updateTime;
}

ArticleController

package com.lin.springboot01.controller;
 
import com.lin.springboot01.pojo.Article;
import com.lin.springboot01.pojo.Result;
import com.lin.springboot01.service.ArticleService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;
 
 
@RestController
@RequestMapping("/article")
public class ArticleController {
    @Autowired
    private ArticleService articleService;
    @PostMapping
    public Result add(@RequestBody @Validated Article article){
        articleService.add(article);
        return Result.success();
    }
}

ArticleService

package com.lin.springboot01.service;
 
import com.lin.springboot01.pojo.Article;
 
public interface ArticleService {
    //新增文章
    void add(Article article);
}

ArticleServiceImpl

package com.lin.springboot01.service.impl;
 
 
import com.lin.springboot01.mapper.ArticleMapper;
import com.lin.springboot01.pojo.Article;
import com.lin.springboot01.service.ArticleService;
import com.lin.springboot01.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 map = ThreadLocalUtil.get();
        Integer userId = (Integer) map.get("id");
        article.setCreateUser(userId);
        articleMapper.add(article);
    }
}

ArticleMapper

package com.lin.springboot01.mapper;
 
import com.lin.springboot01.pojo.Article;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
 
@Mapper
public interface ArticleMapper {
    //新增文章
    @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);
}

完成：