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这篇文章将为大家详细讲解有关springboot+springmvc+mybatis项目整合的示例分析,小编觉得挺实用的,因此分享给大家做个参考,希望大家阅读完这篇文章后可以有所收获。
特点:
1. 创建独立的Spring应用程序
2. 嵌入的Tomcat,无需部署WAR文件
3. 简化Maven配置
4. 自动配置Spring
5. 提供生产就绪型功能,如指标,健康检查和外部配置
6. 绝对没有代码生成和对XML没有要求配置
(以上大部分内容摘自百度百科)
ok,关于springboot的讲解就到这里大家想了解的更详细可以自行百度。
搭建springboot项目我推荐大家用idea或者sts(spring tool suite spring公司自己研发的一款编辑器),我现在用的是idea,所以接下来我是用idea搭建项目的
一、创建项目

填写完Group和Atrifact后点击下一步,这里我选择的是jar,因为官方文档推荐的是打包成JAR,所以这里就不过多解释了。

这里勾选上web

这里勾选上MySQL、JDBC和Mybatis点击下一步

这里输入项目名和项目路径后点击完成

这是新建完成后的项目结构

二、添加pom.xml依赖
因为springboot不推荐使用jsp做页面,如果想要使用就必需的添加jsp的依赖
<?xml version="1.0" encoding="UTF-8"?> <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> <modelVersion>4.0.0</modelVersion> <groupId>com.chaoqi</groupId> <artifactId>springboot_demo2</artifactId> <version>0.0.1-SNAPSHOT</version> <packaging>jar</packaging> <name>springboot_demo2</name> <description>Demo project for Spring Boot</description> <parent> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-parent</artifactId> <version>2.0.0.RELEASE</version> <relativePath/> </parent> <properties> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding> <java.version>1.8</java.version> </properties> <dependencies> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-jdbc</artifactId> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> </dependency> <dependency> <groupId>org.mybatis.spring.boot</groupId> <artifactId>mybatis-spring-boot-starter</artifactId> <version>1.3.2</version> </dependency> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <scope>runtime</scope> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-test</artifactId> <scope>test</scope> </dependency> <!--添加jsp依赖 --> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-tomcat</artifactId> </dependency> <dependency> <groupId>org.apache.tomcat.embed</groupId> <artifactId>tomcat-embed-jasper</artifactId> </dependency> </dependencies> <build> <plugins> <plugin> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-maven-plugin</artifactId> </plugin> </plugins> </build> </project>
三、springboot整合springmvc
因为在创建项目的时候我们选择了mybatis和jdbc所以在这里也要把他们两也给配置进去
编辑application.properties
# 页面默认前缀目录 spring.mvc.view.prefix=/WEB-INF/jsp/ # 响应页面默认后缀 spring.mvc.view.suffix=.jsp #开发配置 spring.datasource.driverClassName = com.mysql.jdbc.Driver spring.datasource.url = jdbc:mysql://localhost:3306/test?useUnicode=true&characterEncoding=utf-8 spring.datasource.username = root spring.datasource.password = 123456 # mybatis接口文件位置 mybatis.mapper-locations: classpath:mapper/*.xml mybatis.type-aliases-package: com.chaoqi.springboot_demo2.domain
如果大家习惯用application.yml那也可以用,但是用application.yml在第一次启动项目的时候一定要maven clean一下,不然会报错。
server: port: 8080 spring: mvc: view: prefix: /WEB-INF/jsp/ suffix: .jsp datasource: url: jdbc:mysql://localhost:3306/test?characterEncoding=UTF-8&useUnicode=true&useSSL=false username: root password: 123456 driver-class-name: com.mysql.jdbc.Driver mybatis: mapper-locations: classpath:mapping/*.xml type-aliases-package: com.chaoqi.springboot_demo2.domain
编辑完application.properties之后再src/mian下创建webapp目录,结构如下

新建IndexController

package com.chaoqi.springboot_test.web;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
@Controller
public class IndexController {
private static final String INDEX = "index";
@RequestMapping("/show")
public String getIndex() {
return INDEX;
}
}运行main函数

访问页面,成功

四、springboot整合mybatis
创建数据库表
-- ----------------------------
-- Table structure for music_info
-- ----------------------------
DROP TABLE IF EXISTS `music_info`;
CREATE TABLE `music_info` (
`id` int(10) NOT NULL AUTO_INCREMENT COMMENT '主键id',
`singer_name` varchar(100) NOT NULL COMMENT '歌手名',
`music_size` varchar(100) NOT NULL COMMENT '歌曲大小',
`music_name` varchar(100) NOT NULL COMMENT '歌曲名',
PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=4 DEFAULT CHARSET=utf8;
-- ----------------------------
-- Records of music_info
-- ----------------------------
INSERT INTO `music_info` VALUES ('1', '小三', '3.2M', '起风了');
INSERT INTO `music_info` VALUES ('2', '刘德华', '3.0M', '忘情水');
INSERT INTO `music_info` VALUES ('3', '猪点点', '5.0M', '会写程序的小猪');创建pojo
package com.chaoqi.springboot_test.dao.domain;
public class MusicInfo {
// 主键id
private Integer id;
// 歌手名
private String singerName;
// 歌曲大小
private String musicSize;
// 歌曲名
private String musicName;
/**
* 获取 主键id music_info.id
*
* @return 主键id
*/
public Integer getId() {
return id;
}
/**
* 设置 主键id music_info.id
*
* @param id 主键id
*/
public void setId(Integer id) {
this.id = id;
}
/**
* 获取 歌手名 music_info.singer_name
*
* @return 歌手名
*/
public String getSingerName() {
return singerName;
}
/**
* 设置 歌手名 music_info.singer_name
*
* @param singerName 歌手名
*/
public void setSingerName(String singerName) {
this.singerName = singerName == null ? null : singerName.trim();
}
/**
* 获取 歌曲大小 music_info.music_size
*
* @return 歌曲大小
*/
public String getMusicSize() {
return musicSize;
}
/**
* 设置 歌曲大小 music_info.music_size
*
* @param musicSize 歌曲大小
*/
public void setMusicSize(String musicSize) {
this.musicSize = musicSize == null ? null : musicSize.trim();
}
/**
* 获取 歌曲名 music_info.music_name
*
* @return 歌曲名
*/
public String getMusicName() {
return musicName;
}
/**
* 设置 歌曲名 music_info.music_name
*
* @param musicName 歌曲名
*/
public void setMusicName(String musicName) {
this.musicName = musicName == null ? null : musicName.trim();
}
@Override
public String toString() {
return "MusicInfo{" +
"id=" + id +
", singerName='" + singerName + '\'' +
", musicSize='" + musicSize + '\'' +
", musicName='" + musicName + '\'' +
'}';
}
}创建mapper.xml
<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd"> <mapper namespace="com.chaoqi.springboot_test.dao.mapper.MusicInfoMapper"> <resultMap id="BaseResultMap" type="com.chaoqi.springboot_test.dao.domain.MusicInfo"> <id column="id" jdbcType="INTEGER" property="id" /> <result column="singer_name" jdbcType="VARCHAR" property="singerName" /> <result column="music_size" jdbcType="VARCHAR" property="musicSize" /> <result column="music_name" jdbcType="VARCHAR" property="musicName" /> </resultMap> </mapper>
创建mapper
package com.chaoqi.springboot_test.dao.mapper;
import com.chaoqi.springboot_test.dao.domain.MusicInfo;
import org.apache.ibatis.annotations.ResultMap;
import org.apache.ibatis.annotations.Select;
import java.util.List;
public interface MusicInfoMapper {
@ResultMap("BaseResultMap")
@Select("select * from music_info")
List<MusicInfo> selectAll(MusicInfo musicInfo);
}service接口
package com.chaoqi.springboot_test.service;
import com.chaoqi.springboot_test.dao.domain.MusicInfo;
import java.util.List;
public interface MusicInfoService {
public List<MusicInfo> getMusicInfo(MusicInfo musicInfo);
}service实现类
package com.chaoqi.springboot_test.service.impl;
import com.chaoqi.springboot_test.dao.domain.MusicInfo;
import com.chaoqi.springboot_test.dao.mapper.MusicInfoMapper;
import com.chaoqi.springboot_test.service.MusicInfoService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import java.util.List;
@Service
public class MusicInfoServiceImpl implements MusicInfoService {
@Autowired
private MusicInfoMapper musicInfoMapper;
@Override
public List<MusicInfo> getMusicInfo(MusicInfo musicInfo) {
List<MusicInfo> musicInfos = musicInfoMapper.selectAll(null);
return musicInfos;
}
}创建完成后的结构如下

编辑indexController
package com.chaoqi.springboot_test.web;
import com.chaoqi.springboot_test.dao.domain.MusicInfo;
import com.chaoqi.springboot_test.service.MusicInfoService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;
import java.util.List;
@Controller
public class IndexController {
private static final String INDEX = "index";
@Autowired
private MusicInfoService musicInfoService;
@RequestMapping("/show")
public String getIndex() {
return INDEX;
}
@RequestMapping("/music")
@ResponseBody
public List<MusicInfo> getMusicInfo(MusicInfo musicInfo) {
List<MusicInfo> musicInfoList = musicInfoService.getMusicInfo(null);
return musicInfoList;
}
}给SpringbootTestApplication类加上注解@MapperScan("com.chaoqi.springboot_test.dao.mapper")
package com.chaoqi.springboot_test;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
@SpringBootApplication
@MapperScan("com.chaoqi.springboot_test.dao.mapper")
public class SpringbootTestApplication {
public static void main(String[] args) {
SpringApplication.run(SpringbootTestApplication.class, args);
}
}运行项目,成功,springboot+springmvc+mybatis整合完成(源码下载地址)

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