mybatis中单表的CRUD

1.所需jar包
    mybatis-3.1.1.jar
   mysql-connector-java-5.1.18-bin.jar
2.jdbc.properties

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

3.User.java

package com.mybatils.model;

public class User {
	private int uid ;
	public int getUid() {
		return uid;
	}
	public void setUid(int uid) {
		this.uid = uid;
	}
	private String username;
	private String passwd ;
	private String nickname;
		private int type ;
		private int status; 
	public int getType() {
		return type;
	}
	public void setType(int type) {
		this.type = type;
	}
	public int getStatus() {
		return status;
	}
	public void setStatus(int status) {
		this.status = status;
	}
	public String getNickname() {
		return nickname;
	}
	public void setNickname(String nickname) {
		this.nickname = nickname;
	}
	public String getUsername() {
		return username;
	}
	public void setUsername(String username) {
		this.username = username;
	}
	public String getPasswd() {
		return passwd;
	}
	public void setPasswd(String passwd) {
		this.passwd = passwd;
	}
	
}

4.User.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.mybatils.model.User">
	<insert id="add" parameterType="com.mybatils.model.User">
		insert into m_user (
			username,passwd,nickname,type,status
		)
		values (#{username},#{passwd},#{nickname},#{type},#{status})
	</insert>
	<delete id="delete" parameterType="int">
		delete from m_user where uid=#{uid}
	</delete>
	<update id="update" parameterType="com.mybatils.model.User">
		update m_user set username=#{username},nickname=#{nickname} where uid=#{uid}
	</update>
	<select id="loadById" parameterType="int" resultType="com.mybatils.model.User">
		select * from m_user where uid=#{uid}
	</select>
	<select id="list" resultType="com.mybatils.model.User">
		select * from m_user 
	</select>
</mapper>

5.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>
	<properties resource="jdbc.properties" />
	<environments default="development">
		<environment id="development">
			<transactionManager type="JDBC" />
			<dataSource type="POOLED">
				<property name="driver" value="${driverClass}" />
				<property name="url" value="${url}" />
				<property name="username" value="${username}" />
				<property name="password" value="${password}" />
			</dataSource>
		</environment>
	</environments>
	<mappers>
		<mapper resource="com/mybatils/model/User.xml"/>
	</mappers>
</configuration>

6.UserTest.java

package com.mybatils.client;

import java.io.IOException;
import java.io.Reader;
import java.util.List;

import org.apache.ibatis.io.Resources;
import org.apache.ibatis.session.SqlSession;
import org.apache.ibatis.session.SqlSessionFactory;
import org.apache.ibatis.session.SqlSessionFactoryBuilder;

public class UserTest {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		//add();
		//delete();
		//update();
		//load();
		//list();
		
	}
	public static void list(){
		String resource = "mybatis-config.xml";
		Reader reader;
		SqlSession session = null;
		List<com.mybatils.model.User> users =null;
		try {
			reader = Resources.getResourceAsReader(resource);
			SqlSessionFactory factory = new SqlSessionFactoryBuilder().build(reader);
			session= factory.openSession();
			users = session.selectList("com.mybatils.model.User.list");			
			session.commit();
		} catch (IOException e) {
			e.printStackTrace();
		}finally{
			if(session!=null)
			session.close();
		}
		for(com.mybatils.model.User u :users){
			System.out.print(u.getNickname());
			System.out.println("	" + u.getUsername());
		}
		
		
	}
	public static void load(){
		String resource = "mybatis-config.xml";
		Reader reader;
		SqlSession session = null;
		com.mybatils.model.User u =null;
		try {
			reader = Resources.getResourceAsReader(resource);
			SqlSessionFactory factory = new SqlSessionFactoryBuilder().build(reader);
			session= factory.openSession();
			u =session.selectOne("com.mybatils.model.User.loadById", 5);			
			session.commit();
		} catch (IOException e) {
			e.printStackTrace();
		}finally{
			if(session!=null)
			session.close();
		}
		System.out.println(u.getNickname());
		System.out.println(u.getUsername());
		
	}
	
	public static void update(){
		String resource = "mybatis-config.xml";
		Reader reader;
		SqlSession session = null;
		try {
			com.mybatils.model.User u = new com.mybatils.model.User();
			u.setUsername("aaa");
			u.setNickname("测试一");
			u.setUid(5);
			reader = Resources.getResourceAsReader(resource);
			SqlSessionFactory factory = new SqlSessionFactoryBuilder().build(reader);
			session= factory.openSession();
			session.update("com.mybatils.model.User.update", u);
			session.commit();
		} catch (IOException e) {
			e.printStackTrace();
		}finally{
			if(session!=null)
			session.close();
		}
	}
	public static void delete(){
		String resource = "mybatis-config.xml";
		Reader reader;
		SqlSession session = null;
		try {
			
			reader = Resources.getResourceAsReader(resource);
			SqlSessionFactory factory = new SqlSessionFactoryBuilder().build(reader);
			session= factory.openSession();
			session.delete("com.mybatils.model.User.delete", 10);
			session.commit();
		} catch (IOException e) {
			e.printStackTrace();
		}finally{
			if(session!=null)
			session.close();
		}
	}
	public static void add(){
		String resource = "mybatis-config.xml";
		Reader reader;
		SqlSession session = null;
		com.mybatils.model.User u = new com.mybatils.model.User();
		u.setUsername("akkk");
		u.setPasswd("1112");
		u.setNickname("不是  ");
		u.setType(0);
		u.setStatus(1);
		try {
			
			reader = Resources.getResourceAsReader(resource);
			SqlSessionFactory factory = new SqlSessionFactoryBuilder().build(reader);
			session= factory.openSession();
			session.insert("com.mybatils.model.User.add", u);
			session.commit();
		} catch (IOException e) {
			e.printStackTrace();
		}finally{
			if(session!=null)
			session.close();
		}
	}

}