Springboot新增文章

Article

java 复制代码
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

java 复制代码
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

java 复制代码
package com.lin.springboot01.service;

import com.lin.springboot01.pojo.Article;

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

ArticleServiceImpl

java 复制代码
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<String,Object> map = ThreadLocalUtil.get();
        Integer userId = (Integer) map.get("id");
        article.setCreateUser(userId);
        articleMapper.add(article);
    }
}

ArticleMapper

java 复制代码
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:

相关推荐
karry_k11 小时前
MyBatis批量insert-select踩坑:useGeneratedKeys=true 可能让PostgreSQL返回大量插入结果
java·后端
karry_k11 小时前
PostgreSQL 在 MyBatis 中执行正常 SQL 失效:一次 DELETE USING 踩坑记录
java·后端
SamDeepThinking14 小时前
从源码到代码:MyBatis-Flex 与 MyBatis-Plus 的逐项对比
java·后端·程序员
她的男孩17 小时前
Spring Boot 接 Flowable 工作流:用 3 个注解搭一个请假审批流程
java·后端·架构
荣码19 小时前
LLM结构化输出:让AI返回JSON而不是废话,我踩了4个坑
java·python
plainGeekDev20 小时前
Gson → kotlinx.serialization
android·java·kotlin
小bo波1 天前
Java Swing 图形用户界面实验 —— 从算术练习到游戏开发的完整实践
java·课程设计·gui·游戏开发·扫雷·swing
咖啡八杯1 天前
GoF设计模式——备忘录模式
java·后端·spring·设计模式