搭建maven+spring+mybatis工程

一、maven 命令搭建web项目

可以参考我之前的一篇博文maven快速入门

　1、搭建web工程

mvn archetype:generate -DgroupId=com.yuanmeng.springdemo -DartifactId=spring-mybatis -DarchetypeArtifactId=maven-archetype-webapp -DinteractiveMode=false

　2、pom配置

<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/maven-v4_0_0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <groupId>com.yuanmeng.springdemo</groupId>
  <artifactId>spring-mybatis</artifactId>
  <packaging>war</packaging>
  <version>1.0-SNAPSHOT</version>
  <name>spring Maven Webapp</name>
  <url>http://maven.apache.org</url>

      <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <spring.version>4.1.4.RELEASE</spring.version>
        <jackson.version>2.5.0</jackson.version>
    </properties>
  <dependencies>
      <!-- spring -->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-core</artifactId>
            <version>${spring.version}</version>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-beans</artifactId>
            <version>${spring.version}</version>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context</artifactId>
            <version>${spring.version}</version>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-tx</artifactId>
            <version>${spring.version}</version>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-web</artifactId>
            <version>${spring.version}</version>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-webmvc</artifactId>
            <version>${spring.version}</version>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-jdbc</artifactId>
            <version>${spring.version}</version>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-test</artifactId>
            <version>${spring.version}</version>
            <scope>test</scope>
        </dependency>

        <!-- mybatis 包 -->
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis</artifactId>
            <version>3.2.8</version>
        </dependency>

        <!--mybatis spring 插件 -->
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis-spring</artifactId>
            <version>1.2.2</version>
        </dependency>

        <!-- mysql连接 -->
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>5.1.34</version>
        </dependency>

        <!-- 数据源 -->
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>druid</artifactId>
            <version>1.0.12</version>
        </dependency>

        <dependency>
            <groupId>org.aspectj</groupId>
            <artifactId>aspectjweaver</artifactId>
            <version>1.8.4</version>
        </dependency>

        <!-- log4j -->
        <dependency>
            <groupId>log4j</groupId>
            <artifactId>log4j</artifactId>
            <version>1.2.17</version>
        </dependency>

        <!-- servlet -->
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>servlet-api</artifactId>
            <version>3.0-alpha-1</version>
        </dependency>

        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>jstl</artifactId>
            <version>1.2</version>
        </dependency>

        <!-- json -->
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>fastjson</artifactId>
            <version>1.2.3</version>
        </dependency>

       <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.12</version>
            <scope>test</scope>
    </dependency>
  </dependencies>
  <build>
    <finalName>spring-mybatis</finalName>
  </build>
</project>

　3、切换到工程根目录下，执行 mvn eclipse:eclipse。将maven工程转为eclipse工程，然后在eclipse导入工程

二、创建表

 登录 mysql -uroot -p
 use testdb
 创建表
 create table user_info(
　　id int(16) not null primary key auto_increment,
　　name varchar(32) not null,
　　password varchar(32) not null
);

三、自动生成dao、do、mapper xml配置

可以参考我之前的一篇博文mybatis-generator-core自动生成do、mapping、dao 代码

四、代码结构

dao

public interface UserInfoMapper {
    int deleteByPrimaryKey(Long id);

    int insert(UserInfo record);

    int insertSelective(UserInfo record);

    UserInfo selectByPrimaryKey(Integer id);

    int updateByPrimaryKeySelective(UserInfo record);

    int updateByPrimaryKey(UserInfo record);
}

do

public class UserInfo {
    private int id;

    private String name;

    private String password;

    public int getId() {
        return id;
    }

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

    public String getName() {
        return name;
    }

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

    public String getPassword() {
        return password;
    }

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

service

public interface UserService {

    UserInfo getUserInfoById(int id);
}

@Service("userService")
public class UserServiceImpl implements UserService {

    @Resource(name="userInfoMapper")
    private UserInfoMapper userInfoMapper;

    @Override
    public UserInfo getUserInfoById(int id) {

        return userInfoMapper.selectByPrimaryKey(id);
    }

}

五、文件配置

userInfoMapper.xml配置

<?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.yuanmeng.springdemo.dao.UserInfoMapper" >
  <resultMap id="BaseResultMap" type="com.yuanmeng.springdemo.model.UserInfo" >
    <id column="id" property="id" jdbcType="INTEGER" />
    <result column="name" property="name" jdbcType="VARCHAR" />
    <result column="password" property="password" jdbcType="VARCHAR" />
  </resultMap>
  <sql id="Base_Column_List" >
    id, name, password
  </sql>
  <select id="selectByPrimaryKey" resultMap="BaseResultMap" parameterType="java.lang.Integer" >
    select
    <include refid="Base_Column_List" />
    from user_info
    where id = #{id,jdbcType=INTEGER}
  </select>
  <delete id="deleteByPrimaryKey" parameterType="java.lang.Integer" >
    delete from user_info
    where id = #{id,jdbcType=INTEGER}
  </delete>
  <insert id="insert" parameterType="com.yuanmeng.springdemo.model.UserInfo" >
    insert into user_info (id, name, password
      )
    values (#{id,jdbcType=INTEGER}, #{name,jdbcType=VARCHAR}, #{password,jdbcType=VARCHAR}
      )
  </insert>
  <insert id="insertSelective" parameterType="com.yuanmeng.springdemo.model.UserInfo" >
    insert into user_info
    <trim prefix="(" suffix=")" suffixOverrides="," >
      <if test="id != null" >
        id,
      </if>
      <if test="name != null" >
        name,
      </if>
      <if test="password != null" >
        password,
      </if>
    </trim>
    <trim prefix="values (" suffix=")" suffixOverrides="," >
      <if test="id != null" >
        #{id,jdbcType=INTEGER},
      </if>
      <if test="name != null" >
        #{name,jdbcType=VARCHAR},
      </if>
      <if test="password != null" >
        #{password,jdbcType=VARCHAR},
      </if>
    </trim>
  </insert>
  <update id="updateByPrimaryKeySelective" parameterType="com.yuanmeng.springdemo.model.UserInfo" >
    update user_info
    <set >
      <if test="name != null" >
        name = #{name,jdbcType=VARCHAR},
      </if>
      <if test="password != null" >
        password = #{password,jdbcType=VARCHAR},
      </if>
    </set>
    where id = #{id,jdbcType=INTEGER}
  </update>
  <update id="updateByPrimaryKey" parameterType="com.yuanmeng.springdemo.model.UserInfo" >
    update user_info
    set name = #{name,jdbcType=VARCHAR},
      password = #{password,jdbcType=VARCHAR}
    where id = #{id,jdbcType=INTEGER}
  </update>
</mapper>

config.properties

validationQuery=SELECT 1
jdbc.url=jdbc:mysql://localhost:3306/testdb?useUnicode=true&characterEncoding=utf-8
jdbc.username=root
jdbc.password=root

spring.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context"
    xsi:schemaLocation="http://www.springframework.org/schema/beans
            http://www.springframework.org/schema/beans/spring-beans-4.1.xsd
            http://www.springframework.org/schema/context
            http://www.springframework.org/schema/context/spring-context-4.1.xsd">

    <!--引入配置属性文件 -->
    <context:property-placeholder location="classpath:config.properties" />

    <!--自动扫描含有@Service将其注入为bean -->
    <context:component-scan base-package="com.yuanmeng.springdemo.service" />

</beans>

spring-mybatis.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:tx="http://www.springframework.org/schema/tx"
    xmlns:aop="http://www.springframework.org/schema/aop"
    xsi:schemaLocation="
        http://www.springframework.org/schema/beans
        http://www.springframework.org/schema/beans/spring-beans-4.1.xsd
        http://www.springframework.org/schema/tx
        http://www.springframework.org/schema/tx/spring-tx-4.1.xsd
        http://www.springframework.org/schema/aop
        http://www.springframework.org/schema/aop/spring-aop-4.1.xsd
        ">

    <!-- 配置数据源 使用的是Druid数据源 -->
    <bean name="dataSource" class="com.alibaba.druid.pool.DruidDataSource"
        init-method="init" destroy-method="close">
        <property name="url" value="${jdbc.url}" />
        <property name="username" value="${jdbc.username}" />
        <property name="password" value="${jdbc.password}" />

        <!-- 初始化连接大小 -->
        <property name="initialSize" value="0" />
        <!-- 连接池最大使用连接数量 -->
        <property name="maxActive" value="20" />

        <!-- 连接池最小空闲 -->
        <property name="minIdle" value="0" />
        <!-- 获取连接最大等待时间 -->
        <property name="maxWait" value="60000" />
        <property name="poolPreparedStatements" value="true" />
        <property name="maxPoolPreparedStatementPerConnectionSize"
            value="33" />
        <!-- 用来检测有效sql -->
        <property name="validationQuery" value="${validationQuery}" />
        <property name="testOnBorrow" value="false" />
        <property name="testOnReturn" value="false" />
        <property name="testWhileIdle" value="true" />
        <!-- 配置间隔多久才进行一次检测，检测需要关闭的空闲连接，单位是毫秒 -->
        <property name="timeBetweenEvictionRunsMillis" value="60000" />
        <!-- 配置一个连接在池中最小生存的时间，单位是毫秒 -->
        <property name="minEvictableIdleTimeMillis" value="25200000" />
        <!-- 打开removeAbandoned功能 -->
        <property name="removeAbandoned" value="true" />
        <!-- 1800秒，也就是30分钟 -->
        <property name="removeAbandonedTimeout" value="1800" />
        <!-- 关闭abanded连接时输出错误日志 -->
        <property name="logAbandoned" value="true" />
        <!-- 监控数据库 -->
        <property name="filters" value="mergeStat" />
    </bean>

    <!-- myBatis文件 -->
    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <property name="dataSource" ref="dataSource" />
        <!-- 自动扫描entity目录, 省掉Configuration.xml里的手工配置 -->
        <property name="mapperLocations" value="classpath:com/yuanmeng/springdemo/mapping/*.xml" />
    </bean>

    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        <property name="basePackage" value="com.yuanmeng.springdemo.dao" />
        <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory" />
    </bean>

    <!-- 配置druid监控spring jdbc -->
    <bean id="druid-stat-interceptor" class="com.alibaba.druid.support.spring.stat.DruidStatInterceptor">
    </bean>
    <bean id="druid-stat-pointcut" class="org.springframework.aop.support.JdkRegexpMethodPointcut" scope="prototype">
        <property name="patterns">
            <list>
                <value>com.yuanmeng.springdemo.service.*</value>
            </list>
        </property>
    </bean>
    <aop:config>
        <aop:advisor advice-ref="druid-stat-interceptor" pointcut-ref="druid-stat-pointcut" />
    </aop:config>
</beans>

六、test

方法一 : 使用Spring提供的Junit测试框架进行单元测试

@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(locations = { "classpath:spring.xml",    "classpath:spring-mybatis.xml" })
public class TestUserService {

    private static final Logger LOGGER = Logger.getLogger(TestUserService.class);

    @Resource(name="userService")
    private UserService userService;

    @Test
    public void testGetUserInfoById() {
        UserInfo userInfo = userService.getUserInfoById(1);
        LOGGER.info(JSON.toJSON(userInfo));
    }
}

方法二 : 使用Junit测试框架进行单元测试

public class TestUserService2 {

    private static final Logger LOGGER = Logger.getLogger(TestUserService2.class);

    private UserService userService;

    @Before
    public void init() {
        @SuppressWarnings("resource")
        ApplicationContext ac = new ClassPathXmlApplicationContext(new String[]{"spring.xml","spring-mybatis.xml"});
        userService = (UserService) ac.getBean("userService");
    }

    @Test
    public void testGetUserInfoById() {
        UserInfo userInfo = userService.getUserInfoById(1);
        LOGGER.info(JSON.toJSON(userInfo));
    }
}
时间： 2024-08-28 13:40:16

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