用springBoot随便写一个增删改查，重点是配置文件

链接：https://pan.baidu.com/s/1jSU_6U36oavwhXPWQArPTA
提取码：rapz

数据库

/*
SQLyog Ultimate v12.5.0 (64 bit)
MySQL - 5.5.59 : Database - tb_user
*********************************************************************
*/

/*!40101 SET NAMES utf8 */;

/*!40101 SET SQL_MODE=''*/;

/*!40014 SET @OLD_UNIQUE_CHECKS=@@UNIQUE_CHECKS, UNIQUE_CHECKS=0 */;
/*!40014 SET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS, FOREIGN_KEY_CHECKS=0 */;
/*!40101 SET @OLD_SQL_MODE=@@SQL_MODE, SQL_MODE='NO_AUTO_VALUE_ON_ZERO' */;
/*!40111 SET @OLD_SQL_NOTES=@@SQL_NOTES, SQL_NOTES=0 */;
CREATE DATABASE /*!32312 IF NOT EXISTS*/`tb_user` /*!40100 DEFAULT CHARACTER SET utf8 */;

USE `tb_user`;

/*Table structure for table `tb_user` */

DROP TABLE IF EXISTS `tb_user`;

CREATE TABLE `tb_user` (
  `id` bigint(20) NOT NULL AUTO_INCREMENT,
  `username` varchar(50) DEFAULT NULL,
  `password` varchar(50) DEFAULT NULL,
  `name` varchar(50) DEFAULT NULL,
  `age` int(11) DEFAULT NULL,
  `sex` int(11) DEFAULT NULL,
  `birthday` date DEFAULT NULL,
  `created` date DEFAULT NULL,
  `updated` date DEFAULT NULL,
  `note` varchar(50) DEFAULT NULL,
  KEY `id` (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=18 DEFAULT CHARSET=utf8;

/*Data for the table `tb_user` */

insert  into `tb_user`(`id`,`username`,`password`,`name`,`age`,`sex`,`birthday`,`created`,`updated`,`note`) values 
(13,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL),
(16,'zhangsan12345',NULL,'zhang',234,NULL,NULL,NULL,NULL,NULL),
(17,'Java2',NULL,'java2',23,NULL,NULL,NULL,NULL,NULL);

/*!40101 SET SQL_MODE=@OLD_SQL_MODE */;
/*!40014 SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS */;
/*!40014 SET UNIQUE_CHECKS=@OLD_UNIQUE_CHECKS */;
/*!40111 SET SQL_NOTES=@OLD_SQL_NOTES */;

controller

package com.czxy.controller;

import com.czxy.pojo.PageResult;
import com.czxy.pojo.User;
import com.czxy.pojo.UserVo;
import com.czxy.service.UserService;
import com.github.pagehelper.PageInfo;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;

import javax.annotation.Resource;

@Controller
@RequestMapping("/user")
public class UserController {

    @Resource
    private UserService userService;


    @RequestMapping("/index")
    public String html() {
        return "/index";
    }

    /**
     * 查询所有
     *
     * @return
     */
    @RequestMapping("/findAll")
    @ResponseBody
    public PageResult queryUserByPage(UserVo userVo) {

        PageInfo pageInfo = userService.findAll(userVo.getPage(), userVo.getRow());
        return new PageResult(pageInfo.getTotal(), pageInfo.getList());
    }

    /**
     * 通过id查询
     *
     * @param id
     * @return
     */
    @RequestMapping("/findById")
    @ResponseBody
    public User findById(Integer id) {
        return userService.findById(id);
    }

    /**
     * 删除
     *
     * @param id
     */
    @RequestMapping("/deleteById")
    @ResponseBody
    public void delete(Integer id) {
        userService.delete(id);
    }

    /**
     * 编辑
     *
     * @param id
     */
    @RequestMapping("/editById")
    @ResponseBody
    public void edit(Integer id) {
        userService.edit(id);
    }


    /**
     * 添加
     */
    @RequestMapping("/insert")
    @ResponseBody
    public String insert(User user) {
        userService.insert(user);
        return "添加成功";
    }
}

dao

package com.czxy.dao;

import com.czxy.pojo.User;
import tk.mybatis.mapper.common.Mapper;

@org.apache.ibatis.annotations.Mapper
public interface UserMapper extends Mapper<User> {
}

service

package com.czxy.service;

import com.czxy.dao.UserMapper;
import com.czxy.pojo.PageResult;
import com.czxy.pojo.User;
import com.github.pagehelper.PageHelper;
import com.github.pagehelper.PageInfo;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import javax.annotation.Resource;
import java.util.List;

@Service
@Transactional
public class UserService {

    @Resource
    private UserMapper userMapper;

    public PageInfo<User> findAll(Integer pageMum, Integer pageSize) {

        PageHelper.startPage(pageMum, pageSize);
        List<User> list = userMapper.selectAll();

        return new PageInfo<>(list);
    }

    public User findById(Integer id) {
        return userMapper.selectByPrimaryKey(id);
    }

    public void delete(Integer id) {
        userMapper.deleteByPrimaryKey(id);
    }

    public void edit(Integer id) {
        User user = userMapper.selectByPrimaryKey(id);
        userMapper.updateByPrimaryKey(user);
    }

    public void insert(User user) {
        userMapper.insert(user);
    }
}

页面

配置文件

’

# 映射端口
server.port=80

# 连接四大金刚 等号前面是key，是固定写法，等号后面是根据自己的数据库来定义
spring.datasource.url=jdbc:mysql://localhost:3306/tb_user
spring.datasource.username=root
spring.datasource.password=
# 可省略，SpringBoot自动推断 驱动
spring.datasource.driverClassName=com.mysql.jdbc.Driver

# druid连接池
#初始化连接数
spring.datasource.druid.initial-size=1
#最小空闲连接
spring.datasource.druid.min-idle=1
#最大活动连接
spring.datasource.druid.max-active=20
#获取连接时测试是否可用
spring.datasource.druid.test-on-borrow=true
#监控页面启动
spring.datasource.druid.stat-view-servlet.allow=true

#MVC
spring.mvc.view.prefix=/
spring.mvc.view.suffix=.html
spring.resources.static-locations=classpath:templates,classpath:static
# 是否开启模板缓存，默认true
spring.thymeleaf.cache=false
# 指定模板的模式，具体查看StandardTemplateModeHandlers，默认为: HTML5
spring.thymeleaf.mode=HTML5