SpringBoot + Tk.Mybatis + Maven项目搭建（IDEA）
一、项目简述
1. 开发工具：IDEA
2. 框架：SpringBoot + tk.Mybatis + Maven ，并集成JSP页面。
3. 本项目只是一个简单的demo，里面进行了基础的视图解析测试、JSON数据测试、数据库连接测试、log日志打印以及TK.Mybatis插件自动生成PO类、Mapper接口和对应的xml文件。
二、项目搭建
第一部分：创建项目
1. File-->New-->Project..-->Spring Initializr-->Next-->Next
2. 此时处于依赖选择这一步，本项目所选择的依赖如下：
Core：Lombok(把属性字段的set和get方法注解化)
Web：Web
SQL：MySQL、Mybatis
3. 选择完依赖后，点击Next-->Finish。此时一个SpringBoot框架的雏形就出来了。
4. 此时搭建的SpringBoot框架，是没有webapp这个模块的，需要手动添加配置，具体步骤在文章的第四部分有叙述。
第二部分：完善项目配置
1. 完善pom.xml文件【此处把本项目中所用的依赖提前粘出来】
4.0.0
com.iyungu
phantaci
0.0.1-SNAPSHOT
jar
phantaci
Demo project for Spring Boot
org.springframework.boot
spring-boot-starter-parent
2.0.3.RELEASE
UTF-8
UTF-8
1.8
org.springframework.boot
spring-boot-starter-actuator
org.springframework.boot
spring-boot-starter-logging
org.springframework.boot
spring-boot-starter-web
org.springframework.boot
spring-boot-starter-test
test
org.apache.tomcat.embed
tomcat-embed-jasper
javax.servlet
jstl
org.projectlombok
lombok
true
mysql
mysql-connector-java
5.1.6
tk.mybatis
mapper-spring-boot-starter
2.0.0
log4j
log4j
1.2.12
org.slf4j
slf4j-log4j12
1.7.6
src/main/java
**/*.xml
org.mybatis.generator
mybatis-generator-maven-plugin
1.3.5
src/main/resources/generator/generatorConfig.xml
true
true
mysql
mysql-connector-java
5.1.44
tk.mybatis
mapper
3.5.2
2. application.properties配置
#数据库配置
spring.datasource.url=jdbc:mysql://192.168.80.186:3306/bissv100
spring.datasource.username=root
spring.datasource.password=123456
spring.datasource.driver-class-name=com.mysql.jdbc.Driver
spring.datasource.max-idle=10
spring.datasource.max-wait=10000
spring.datasource.min-idle=5
spring.datasource.initial-size=5
# mybatis配置
mybatis.typeAliasesPackage=com.iyungu.phantaci.po
mybatis.mapperLocations=classpath:com/iyungu/phantaci/mapper/*.xml
#demo-two项目名
server.servlet.context-path=/demo-two
#服务IP
server.port=8080
#视图解析器
spring.mvc.view.prefix = /WEB-INF/jsp/
spring.mvc.view.suffix = .jsp3. generatorConfig.xml【tk.mybatis插件自动生成】
使用方法：打开Maven Projects-->点击自己的项目-->Plugins-->点击mybatis-generator-->即可生成PO，Mapper接口及对应的XML。
第三部分：部分代码
1. Controller层
package com.iyungu.phantaci.controller;
import com.iyungu.phantaci.enums.ExceptionCode;
import com.iyungu.phantaci.po.UUser;
import com.iyungu.phantaci.service.HelloService;
import com.iyungu.phantaci.vo.Message;
import com.iyungu.phantaci.vo.ResponseUtil;
import com.iyungu.phantaci.vo.test.People;
import org.apache.log4j.Logger;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;
/**
* @Author: Wang Yarui
* @Description:
* @Date: Created in 10:40 2018/6/27
* @Modified By:
*/
@Controller
@RequestMapping("/ph")
public class Hello {
private static final Logger logger = Logger.getLogger(Hello.class);
@Autowired
private HelloService helloService;
/**
* @Author: [email protected]
* @Description:测试视图解析器
* @Date: Created in 10:43 2018/6/27
* @Param:
* @Return:
*/
@GetMapping(value = "/showHello")
public String showHello(String name) {
if (name == null) {
return "test/hello";
}
return "test/succ";
}
/**
* @Author: [email protected]
* @Description:测试JSON数据
* @Date: Created in 9:38 2018/7/2
* @Param:
* @Return:
*/
@GetMapping(value = "/testJson")
@ResponseBody
public Message testJson() {
People people = new People();
return ResponseUtil.responseBody(people);
}
/**
* @Author: [email protected]
* @Description:测试数据库是否正常连接
* @Date: Created in 9:39 2018/7/2
* @Param:
* @Return:
*/
@GetMapping(value = "/getUserInfoById")
@ResponseBody
public Message getUserInfoById(Long userId) {
logger.debug(String.format("getUserInfoById()方法开始执行，参数userId:{%s}",userId));
if (userId == null) {
return ResponseUtil.reponseBody(ExceptionCode.REQUEST_PARAM_ERROR.getCode(),ExceptionCode.REQUEST_PARAM_ERROR.getMsg());
}
UUser user = helloService.getUserInfoById(userId);
logger.debug("getUserInfoById()方法结束执行");
return ResponseUtil.responseBody(user);
}
/**
* @Author: [email protected]
* @Description:测试Logger日志
* @Date: Created in 9:51 2018/7/3
* @Param:
* @Return:
*/
@GetMapping("/testLoggerInfo")
@ResponseBody
public Message getLoggerInfo(int num) {
logger.debug(String.format("getLoggerInfo()方法开始执行，参数num:{%s}",num));
int result = 0;
try {
result = 5/num;
} catch (Exception e) {
logger.error("分母不能为0",e);
e.printStackTrace();
}
logger.debug("getLoggerInfo()方法结束执行");
return ResponseUtil.responseBody(result);
}
/**
* @Author: [email protected]
* @Description:获取用户姓名（测试sql打印及tk.mybaits的mapper扫描）
* @Date: Created in 11:22 2018/7/3
* @Param: [userId]
* @Return: com.iyungu.phantaci.vo.Message
*/
@GetMapping("/testLoggerSql")
@ResponseBody
public Message getUserName(Long userId) {
logger.debug(String.format("getUserName()开始执行,参数userId:{%s}",userId));
if (userId == null) {
logger.debug("无参数，getUserName()结束执行");
return ResponseUtil.reponseBody(ExceptionCode.REQUEST_PARAM_ERROR.getCode(),ExceptionCode.REQUEST_PARAM_ERROR.getCode());
}
String userName = helloService.getUserNameById(userId);
logger.debug("getUserName()结束执行");
return ResponseUtil.responseBody(userName);
}
}
2. config文件--->MybatisConfig
package com.iyungu.phantaci.config;
import org.apache.ibatis.session.SqlSessionFactory;
import org.mybatis.spring.SqlSessionFactoryBean;
import org.springframework.context.annotation.Bean;
public class MyBatisConfig {
@Bean(name = "sqlSessionFactory")
public SqlSessionFactory sqlSessionFactoryBean() {
SqlSessionFactoryBean bean = new SqlSessionFactoryBean();
try {
return bean.getObject();
} catch (Exception e) {
e.printStackTrace();
throw new RuntimeException(e);
}
}
}
config文件--->MybatisMapperScannerConfig
package com.iyungu.phantaci.config;
import org.springframework.boot.autoconfigure.AutoConfigureAfter;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import tk.mybatis.spring.mapper.MapperScannerConfigurer;
import java.util.Properties;
@Configuration
//必须在MyBatisConfig注册后再加载MapperScannerConfigurer，否则会报错
@AutoConfigureAfter(MyBatisConfig.class)
public class MyBatisMapperScannerConfig {
@Bean
public MapperScannerConfigurer mapperScannerConfigurer() {
MapperScannerConfigurer mapperScannerConfigurer = new MapperScannerConfigurer();
mapperScannerConfigurer.setSqlSessionFactoryBeanName("sqlSessionFactory");
mapperScannerConfigurer.setBasePackage("com.iyungu.phantaci.dao");
//初始化扫描器的相关配置，这里我们要创建一个Mapper的父类
Properties properties = new Properties();
properties.setProperty("mappers", "com.iyungu.phantaci.util.MyMapper");
properties.setProperty("notEmpty", "false");
properties.setProperty("IDENTITY", "MYSQL");
mapperScannerConfigurer.setProperties(properties);
return mapperScannerConfigurer;
}
}3. 注意：util文件--->MyMapper
package com.iyungu.phantaci.util;
import tk.mybatis.mapper.common.Mapper;
import tk.mybatis.mapper.common.MySqlMapper;
public interface MyMapper extends Mapper, MySqlMapper {
//TODO
//FIXME 特别注意，该接口不能被扫描到，否则会出错
} 第四部分：补充
1. 缺少webapp模块
解决方法：SpringBoot添加webapp目录
2.完整项目下载
下载地址：点击此处下载完整项目
3.项目目录
