pom.xml
<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.sxt</groupId>
<artifactId>mybatis-17-spring</artifactId>
<version>0.0.1-SNAPSHOT</version>
<dependencies>
<!-- Spring相关jar包 -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>4.3.21.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-orm</artifactId>
<version>4.3.21.RELEASE</version>
</dependency>
<!-- mybatis依赖 -->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>3.4.6</version>
</dependency>
<!-- mybatis和spring整合包 -->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>1.3.2</version>
</dependency>
<!-- mysql驱动包 -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.27</version>
</dependency>
<!-- 日志框架 -->
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>1.7.25</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-log4j12</artifactId>
<version>1.7.25</version>
</dependency>
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>1.2.17</version>
</dependency>
<!-- c3p0 -->
<dependency>
<groupId>com.mchange</groupId>
<artifactId>c3p0</artifactId>
<version>0.9.5.2</version>
</dependency>
</dependencies>
</project>
mybatis-config.xml
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE configuration
PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-config.dtd">
<configuration>
<settings>
<!-- 开启延迟加载 -->
<setting name="lazyLoadingEnabled" value="true"/>
<setting name="aggressiveLazyLoading" value="false"/>
</settings>
</configuration>
applicationContext.xml
<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"
xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.3.xsd
http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.3.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.3.xsd">
<!-- 关联数据属性文件 -->
<context:property-placeholder location="classpath:db.properties"/>
<!-- 开启扫描 -->
<context:component-scan base-package="com.sxt.service.impl"/>
<!-- 配置数据源 -->
<bean class="com.mchange.v2.c3p0.ComboPooledDataSource"
id="dataSource" >
<property name="driverClass" value="${driver}"></property>
<property name="jdbcUrl" value="${url}"></property>
<property name="user" value="${names}"></property>
<property name="password" value="${password}"></property>
</bean>
<!-- 整合mybatis -->
<bean class="org.mybatis.spring.SqlSessionFactoryBean"
id="sqlSessionFactoryBean" >
<!-- 关联数据源 -->
<property name="dataSource" ref="dataSource"/>
<!-- 关联mybatis的配置文件 -->
<property name="configLocation" value="classpath:mybatis-config.xml"/>
<!-- 添加别名设置 -->
<property name="typeAliasesPackage" value="com.sxt.pojo"/>
</bean>
<!-- 配置扫描的路径 -->
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer" >
<property name="basePackage" value="com.sxt.mapper"/>
</bean>
</beans>
# mysql \u5F00\u53D1\u73AF\u5883
driver=com.mysql.jdbc.Driver
url=jdbc:mysql://localhost:3306/1227?characterEncoding=utf-8
names=root
password=1999
# mysql \u6D4B\u8BD5\u73AF\u5883
# driver=com.mysql.jdbc.Driver
# url=jdbc:mysql://192.168.0.131:3306/1227?characterEncoding=utf-8
# username=root
# password=1999
# mysql \u751F\u4EA7\u73AF\u5883
# driver=com.mysql.jdbc.Driver
# url=jdbc:mysql://192.168.0.131:3306/1227?characterEncoding=utf-8
# username=root
# password=1999
log4j.rootCategory=DEBUG, stdout , R
log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern=[QC] %p [%t] %C.%M(%L) | %m%n
log4j.appender.R=org.apache.log4j.DailyRollingFileAppender
log4j.appender.R.File=D:\\Tomcat 5.5\\logs\\qc.log
log4j.appender.R.layout=org.apache.log4j.PatternLayout
log4j.appender.R.layout.ConversionPattern=%d-[TS] %p %t %c - %m%n
package com.sxt.pojo;
public class User {
private Integer id;
private String username;
private String password;
public Integer getId() {
return id;
}
public void setId(Integer id) {
this.id = id;
}
public String getUsername() {
return username;
}
public void setUsername(String username) {
this.username = username;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
@Override
public String toString() {
return "User [id=" + id + ", username=" + username + ", password=" + password + "]";
}
}
==UserMapper ==
package com.sxt.mapper;
import java.util.List;
import com.sxt.pojo.User;
public interface UserMapper {
public List<User> query();
}
UserMapper.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.sxt.mapper.UserMapper">
<select id="query" resultType="User">
select * from t_user
</select>
</mapper>
==IUserService ==
package com.sxt.service;
import java.util.List;
import com.sxt.pojo.User;
public interface IUserService {
public List<User> query();
}
UserServiceImpl
package com.sxt.service.impl;
import java.util.List;
import javax.annotation.Resource;
import org.springframework.stereotype.Service;
import com.sxt.mapper.UserMapper;
import com.sxt.pojo.User;
import com.sxt.service.IUserService;
@Service
public class UserServiceImpl implements IUserService{
@Resource //获取代理对象 session.getMapper(UserMapper.class);
private UserMapper mapper;
@Override
public List<User> query() {
// TODO Auto-generated method stub
return mapper.query();
}
}
package com.sxt.test;
import java.util.List;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import com.sxt.pojo.User;
import com.sxt.service.IUserService;
public class Test {
public static void main(String[] args) {
ApplicationContext ac =
new ClassPathXmlApplicationContext("applicationContext.xml");
IUserService service = ac.getBean(IUserService.class);
List<User> list = service.query();
for (User user : list) {
System.out.println(user);
}
}
}
<!-- 整合mybatis -->
<bean class="org.mybatis.spring.SqlSessionFactoryBean">
<!-- 关联mybatis的全局配置文件 -->
<property name="configLocation" value="classpath:mybatis-conf.xml"/>
<!-- 关联数据源 -->
<property name="dataSource" ref="dateSource"/>
<!-- 给package取别名 -->
<property name="typeAliasesPackage" value="com.sxt.model"/>
<!-- 映射文件和接口文件不在同一个目录下的时候 -->
<property name="mapperLocations" value="classpath:mapper/*.xml"/>
</bean>