Java教程

集成MyBatis

本文主要是介绍集成MyBatis，对大家解决编程问题具有一定的参考价值，需要的程序猿们随着小编来一起学习吧！ 
<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>www.tszr</groupId>
    <artifactId>test</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <packaging>jar</packaging>

    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.0.0.RELEASE</version>
    </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-web</artifactId>
            <exclusions>
                <exclusion>
                    <groupId>org.hibernate.validator</groupId>
                    <artifactId>hibernate-validator</artifactId>
                </exclusion>
            </exclusions>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-devtools</artifactId>
        </dependency>

        <dependency>
            <groupId>io.springfox</groupId>
            <artifactId>springfox-swagger2</artifactId>
            <version>2.9.2</version>
        </dependency>

        <dependency>
            <groupId>io.springfox</groupId>
            <artifactId>springfox-swagger-ui</artifactId>
            <version>2.9.2</version>
        </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>
            <version>8.0.28</version><!--$NO-MVN-MAN-VER$-->
        </dependency>

        <dependency>
            <groupId>com.baomidou</groupId>
            <artifactId>mybatis-plus</artifactId>
            <version>3.5.1</version>
        </dependency>

    </dependencies>

    <build>
        <plugins>
            <plugin>
                <artifactId>maven-compiler-plugin</artifactId>
                <configuration>
                    <source>1.8</source>
                    <target>1.8</target>
                </configuration>
            </plugin>
        </plugins>

        <!-- 打包时拷贝MyBatis的映射文件 -->
        <resources>
            <resource>
                <directory>src/main/java</directory>
                <includes>
                    <include>**/sqlmap/*.xml</include>
                </includes>
                <filtering>false</filtering>
            </resource>
            <resource>
                <directory>src/main/resources</directory>
                <includes>
                    <include>**/*.*</include>
                </includes>
                <filtering>true</filtering>
            </resource>
        </resources>

    </build>
</project>
server.port=8089

spring.datasource.url=jdbc:mysql://localhost:3306/mango?useUnicode=true&zeroDateTimeBehavior=convertToNull&autoReconnect=true&characterEncoding=utf-8
spring.datasource.username=root
spring.datasource.password=admin
##spring.datasource.driver-class-name=com.mysql.jdbc.Driver
spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver
package com.wyx.model;

import java.util.Date;

public class SysUser {
    private Long id;

    private String name;

    private String nickName;

    private String avatar;

    private String password;

    private String salt;

    private String email;

    private String mobile;

    private Byte status;

    private Long deptId;

    private String createBy;

    private Date createTime;

    private String lastUpdateBy;

    private Date lastUpdateTime;

    private Byte delFlag;

    public Long getId() {
        return id;
    }

    public void setId(Long id) {
        this.id = id;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name == null ? null : name.trim();
    }

    public String getNickName() {
        return nickName;
    }

    public void setNickName(String nickName) {
        this.nickName = nickName == null ? null : nickName.trim();
    }

    public String getAvatar() {
        return avatar;
    }

    public void setAvatar(String avatar) {
        this.avatar = avatar == null ? null : avatar.trim();
    }

    public String getPassword() {
        return password;
    }

    public void setPassword(String password) {
        this.password = password == null ? null : password.trim();
    }

    public String getSalt() {
        return salt;
    }

    public void setSalt(String salt) {
        this.salt = salt == null ? null : salt.trim();
    }

    public String getEmail() {
        return email;
    }

    public void setEmail(String email) {
        this.email = email == null ? null : email.trim();
    }

    public String getMobile() {
        return mobile;
    }

    public void setMobile(String mobile) {
        this.mobile = mobile == null ? null : mobile.trim();
    }

    public Byte getStatus() {
        return status;
    }

    public void setStatus(Byte status) {
        this.status = status;
    }

    public Long getDeptId() {
        return deptId;
    }

    public void setDeptId(Long deptId) {
        this.deptId = deptId;
    }

    public String getCreateBy() {
        return createBy;
    }

    public void setCreateBy(String createBy) {
        this.createBy = createBy == null ? null : createBy.trim();
    }

    public Date getCreateTime() {
        return createTime;
    }

    public void setCreateTime(Date createTime) {
        this.createTime = createTime;
    }

    public String getLastUpdateBy() {
        return lastUpdateBy;
    }

    public void setLastUpdateBy(String lastUpdateBy) {
        this.lastUpdateBy = lastUpdateBy == null ? null : lastUpdateBy.trim();
    }

    public Date getLastUpdateTime() {
        return lastUpdateTime;
    }

    public void setLastUpdateTime(Date lastUpdateTime) {
        this.lastUpdateTime = lastUpdateTime;
    }

    public Byte getDelFlag() {
        return delFlag;
    }

    public void setDelFlag(Byte delFlag) {
        this.delFlag = delFlag;
    }
}
package com.wyx.dao;

import java.util.List;

import com.wyx.model.SysUser;

public interface SysUserMapper {
    int deleteByPrimaryKey(Long id);

    int insert(SysUser record);

    int insertSelective(SysUser record);

    SysUser selectByPrimaryKey(Long id);

    int updateByPrimaryKeySelective(SysUser record);

    int updateByPrimaryKey(SysUser record);
    
    /**
     * 查询全部
     * @return
     */
    List<SysUser> findAll();
}
package com.wyx.service;

import java.util.List;

import com.wyx.model.SysUser;

public interface SysUserService {

    /**
     * 查找所有用户
     * @return
     */
    List<SysUser> findAll();

}
package com.wyx.service.impl;

import java.util.List;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import com.wyx.dao.SysUserMapper;
import com.wyx.model.SysUser;
import com.wyx.service.SysUserService;

@Service
public class SysUserServiceImpl implements SysUserService {
    
    @Autowired
    private SysUserMapper sysUserMapper;

    @Override
    public List<SysUser> findAll() {
        return sysUserMapper.findAll();
    }
}
<?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.wyx.dao.SysUserMapper">
    <resultMap id="BaseResultMap" type="com.wyx.model.SysUser">
        <id column="id" jdbcType="BIGINT" property="id" />
        <result column="name" jdbcType="VARCHAR" property="name" />
        <result column="nick_name" jdbcType="VARCHAR"
            property="nickName" />
        <result column="avatar" jdbcType="VARCHAR" property="avatar" />
        <result column="password" jdbcType="VARCHAR"
            property="password" />
        <result column="salt" jdbcType="VARCHAR" property="salt" />
        <result column="email" jdbcType="VARCHAR" property="email" />
        <result column="mobile" jdbcType="VARCHAR" property="mobile" />
        <result column="status" jdbcType="TINYINT" property="status" />
        <result column="dept_id" jdbcType="BIGINT" property="deptId" />
        <result column="create_by" jdbcType="VARCHAR"
            property="createBy" />
        <result column="create_time" jdbcType="TIMESTAMP"
            property="createTime" />
        <result column="last_update_by" jdbcType="VARCHAR"
            property="lastUpdateBy" />
        <result column="last_update_time" jdbcType="TIMESTAMP"
            property="lastUpdateTime" />
        <result column="del_flag" jdbcType="TINYINT" property="delFlag" />
    </resultMap>

    <sql id="Base_Column_List">
        id, name, nick_name, avatar, password, salt, email, mobile, status,
        dept_id, create_by,
        create_time, last_update_by, last_update_time, del_flag
    </sql>

    <select id="findAll" resultMap="BaseResultMap">
        select
        <include refid="Base_Column_List" />
        from sys_user
    </select>
</mapper>
package com.wyx.config;

import javax.sql.DataSource;

import org.apache.ibatis.session.SqlSessionFactory;
import org.mybatis.spring.SqlSessionFactoryBean;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.io.support.PathMatchingResourcePatternResolver;

@Configuration
@MapperScan("com.wyx.dao")
public class MyBatisConfig {
    @Autowired
    private DataSource dataSource;
    
    @Bean
    public SqlSessionFactory sqlSessionFactory() throws Exception{
        SqlSessionFactoryBean sessionFactory = new SqlSessionFactoryBean();
        sessionFactory.setDataSource(dataSource);
        sessionFactory.setTypeAliasesPackage("com.wyx.model");
        
        PathMatchingResourcePatternResolver resolver = new PathMatchingResourcePatternResolver();
        sessionFactory.setMapperLocations(resolver.getResources("classpath*:**/sqlmap/*.xml"));
        
        return sessionFactory.getObject();
    }
}
package com.wyx.config;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import springfox.documentation.builders.ApiInfoBuilder;
import springfox.documentation.builders.PathSelectors;
import springfox.documentation.builders.RequestHandlerSelectors;
import springfox.documentation.service.ApiInfo;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spring.web.plugins.Docket;
import springfox.documentation.swagger2.annotations.EnableSwagger2;

@Configuration
@EnableSwagger2
public class SwaggerConfig {
    @Bean
    public Docket createRestApi() {
        return new Docket(DocumentationType.SWAGGER_2).apiInfo(apiInfo()).select().apis(RequestHandlerSelectors.any())
                .paths(PathSelectors.any()).build();
    }

    private ApiInfo apiInfo() {
        return new ApiInfoBuilder().build();
    }
}
package com.wyx.controller;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import com.wyx.service.SysUserService;

@RestController
@RequestMapping("user")
public class SysUserController {

    @Autowired
    private SysUserService sysUserService;
    
    @GetMapping(value="/findAll")
    public Object findAll() {
        return sysUserService.findAll();
    }
}
package com.wyx.controller;

import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;

@RestController
public class HelloController {
    @GetMapping(value="/hello")
    public String hello() {
        return "hello,天生自然";
    }
}
package com.wyx;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;

@SpringBootApplication
public class TestApplication {
    public static void main(String[] args) {
        SpringApplication.run(TestApplication.class, args);
    }
}
http://localhost:8089/user/findAll

 

 

 

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