springboot整合mybatis笔记

<?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.example</groupId>
    <artifactId>demo-mybatis</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <packaging>jar</packaging>
    <name>demo-mybatis</name>
    <description>Demo project for Spring Boot</description>
    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.0.6.RELEASE</version>
        <relativePath/> <!--lookup parent from repository -->
    </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>
    </dependencies>
    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
            <!--mybatis generator 自动生成代码插件 -->
            <plugin>
                <groupId>org.mybatis.generator</groupId>
                <artifactId>mybatis-generator-maven-plugin</artifactId>
                <version>1.3.2</version>
                <configuration>
                    <configurationFile>${basedir}/src/main/resources/generator/generatorConfig.xml</configurationFile>
                    <overwrite>true</overwrite>
                    <verbose>true</verbose>
                </configuration>
            </plugin>
        </plugins>
    </build>
</project>

server:
  port: 8080
spring:
    datasource:
        name: test
        url: jdbc:mysql://127.0.0.1:3306/test
        username: root
        password: 123456
    mvc:
        view:
            prefix: /
            suffix: .html

mybatis:
mapper-locations: classpath:mapping/*.xml
  type-aliases-package: com.winter.model 

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE generatorConfiguration
        PUBLIC "-//mybatis.org//DTD MyBatis Generator Configuration 1.0//EN"
        "http://mybatis.org/dtd/mybatis-generator-config_1_0.dtd">
<generatorConfiguration>
    <!--数据库驱动:选择你的本地硬盘上面的数据库驱动包-->
    <classPathEntry  location="D:maven_Repositorymysqlmysql-connector-java5.1.34"/>
    <context id="DB2Tables"targetRuntime="MyBatis3">
        <commentGenerator>
            <property name="suppressDate"value="true"/>
            <!--是否去除自动生成的注释 true：是 ： false:否 -->
            <property name="suppressAllComments"value="true"/>
        </commentGenerator>
        <!--数据库链接URL，用户名、密码 -->
        <jdbcConnection driverClass="com.mysql.jdbc.Driver"connectionURL="jdbc:mysql://127.0.0.1/test"userId="root"password="212517">
        </jdbcConnection>
        <javaTypeResolver>
            <property name="forceBigDecimals"value="false"/>
        </javaTypeResolver>
        <!--生成模型的包名和位置-->
        <javaModelGenerator targetPackage="com.example.demomybatis.model"targetProject="src/main/java">
            <property name="enableSubPackages"value="true"/>
            <property name="trimStrings"value="true"/>
        </javaModelGenerator>
        <!--生成映射文件的包名和位置-->
        <sqlMapGenerator targetPackage="mapping"targetProject="src/main/resources">
            <property name="enableSubPackages"value="true"/>
        </sqlMapGenerator>
        <!--生成DAO的包名和位置-->
        <javaClientGenerator type="XMLMAPPER"targetPackage="com.example.demomybatis.mapper"targetProject="src/main/java">
            <property name="enableSubPackages"value="true"/>
        </javaClientGenerator>
        <!--要生成的表 tableName是数据库中的表名或视图名 domainObjectName是实体类名-->
        <table tableName="stu_info"domainObjectName="User"enableCountByExample="true"enableUpdateByExample="true"enableDeleteByExample="false"enableSelectByExample="false"selectByExampleQueryId="false"></table>
    </context>
</generatorConfiguration>

package com.example.demomybatis.service.impl;
import com.example.demomybatis.mapper.UserMapper;
import com.example.demomybatis.model.User;
import com.example.demomybatis.model.UserExample;
import com.example.demomybatis.service.UserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import java.util.List;
@Service
public class UserServiceImpl implements UserService {
@Autowired
private UserMapper userMapper;
@Override
public List<User> selectAll() {
return userMapper.selectAll();
}

}