mybatis和spring整合

参考文档：

http://www.cnblogs.com/jyh317/p/3834142.html
http://www.cnblogs.com/xdp-gacl/p/4271627.html
http://nirvana1988.iteye.com/blog/971246
http://blog.csdn.net/lemonyfei/article/details/8925325
http://blog.csdn.net/daxiang12092205/article/details/27561503
http://www.cnblogs.com/zhangzhifeng/p/4260573.html
http://www.itnose.net/detail/6107526.html

工程目录结构：

　　

各文件：

IUserDao.java

package com.springMyBatis.system.dao;

import com.springMyBatis.system.model.User;

public interface IUserDao {
    public User getUser(User user);
    public int addUser(User user);
    public void updateUser(User user);
    public void deleteUser(int UserId);
}

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.springMyBatis.system.dao.IUserDao">
    <select id="getUser" parameterType="com.springMyBatis.system.model.User" resultType="com.springMyBatis.system.model.User">
        SELECT * FROM employees WHERE id=#{id}
    </select>  

    <insert id="addUser" parameterType="com.springMyBatis.system.model.User" flushCache="true">
       INSERT INTO employees (name,gender,salary) VALUES (#{name},#{gender},#{salary})
    </insert>  

    <update id="updateUser" parameterType="com.springMyBatis.system.model.User">
        UPDATE employees SET password=#{name}, gender=#{gender}, salary=#{salary} WHERE id=#{id}
    </update> 

    <delete id="deleteUser" parameterType="int">
        DELETE FROM employees WHERE id=#{id}
    </delete>
</mapper>

User.java

package com.springMyBatis.system.model;

public class User {
    private int id;
    private String name;
    private String gender;
    private int salary;
    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;
    }
    public String getGender() {
        return gender;
    }
    public void setGender(String gender) {
        this.gender = gender;
    }
    public int getSalary() {
        return salary;
    }
    public void setSalary(int salary) {
        this.salary = salary;
    }

    @Override
    public String toString() {
        return "id=" + id + " name=" + name + " gender=" + gender + " salary=" + salary;
    }
}

UserController.java

package com.springMyBatis.system.test;

import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

import com.springMyBatis.system.model.User;
import com.springMyBatis.system.dao.IUserDao;

public class UserController {

    /**
     * @param args
     */
    public static void main(String[] args) {
        ApplicationContext ctx = new ClassPathXmlApplicationContext("applicationContext.xml");
        IUserDao userDao = (IUserDao) ctx.getBean("userDao");
        User user = new User();
        user.setName("harry");
        user.setGender("male");
        user.setSalary(6000);
        int result = userDao.addUser(user);
        System.out.println("result = " + result);
    }

}

applicationContext.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-3.0.xsd
        http://www.springframework.org/schema/context
        http://www.springframework.org/schema/context/spring-context-3.0.xsd">  

    <context:property-placeholder location="classpath:jdbc.properties" /> 

    <bean id="dataSource" class="org.apache.commons.dbcp2.BasicDataSource" destroy-method="close">
        <property name="driverClassName" value="${jdbc.driverClassName}" />
        <property name="url" value="${jdbc.url}" />
        <property name="username" value="${jdbc.username}" />
        <property name="password" value="${jdbc.password}" />

    </bean>  

    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <property name="dataSource" ref="dataSource" />
        <property name="configLocation" value="classpath:mybatis-config.xml" />
    </bean>  

    <bean id="userDao" class="org.mybatis.spring.mapper.MapperFactoryBean">
        <property name="mapperInterface" value="com.springMyBatis.system.dao.IUserDao" />
        <property name="sqlSessionFactory" ref="sqlSessionFactory" />
    </bean>
</beans>

jdbc.properties

jdbc.driverClassName=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://localhost:3306/test
jdbc.username=test
jdbc.password=test

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>
    <mappers>
        <mapper resource="com/springMyBatis/system/mapper/UserMapper.xml"/>
    </mappers>
</configuration>