/**********************************SqlMapConfig.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>
<!-- 和spring整合后 environments配置将废除-->
<environments default="development">
<environment id="development">
<!-- 使用jdbc事务管理-->
<transactionManager type="JDBC" />
<!-- 数据库连接池-->
<dataSource type="POOLED">
<property name="driver" value="com.mysql.jdbc.Driver" />
<property name="url" value="jdbc:mysql://localhost:3306/mybatis?characterEncoding=utf-8" />
<property name="username" value="root" />
<property name="password" value="root" />
</dataSource>
</environment>
</environments>
<mappers >
<mapper resource="sqlmap/User.xml"/>
</mappers>
</configuration>
/**********************************User*************************************/
package com.alise.po;
import java.util.Date;
public class User {
private int id;
private String username;// 用户姓名
private String sex;// 性别
private Date birthday;// 生日
private String address;// 地址
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getUsername() {
return username;
}
public void setUsername(String username) {
this.username = username;
}
public String getSex() {
return sex;
}
public void setSex(String sex) {
this.sex = sex;
}
public Date getBirthday() {
return birthday;
}
public void setBirthday(Date birthday) {
this.birthday = birthday;
}
public String getAddress() {
return address;
}
public void setAddress(String address) {
this.address = address;
}
@Override
public String toString() {
return "User [id=" + id + ", username=" + username + ", sex=" + sex
+ ", birthday=" + birthday + ", address=" + address + "]";
}
}
/**********************************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="test">
<select id="findUserById" parameterType="int" resultType="com.alise.po.User">
select * from user where id=#{id};
</select>
<select id="findUserByName" parameterType="java.lang.String" resultType="com.alise.po.User">
select * from user where username like '%${value}%';
</select>
<select id="updateUser" parameterType="com.alise.po.User">
update user set username=#{username},sex=#{sex},birthday=#{birthday},address=#{address} where id = #{id};
</select>
<select id="deleteUserById" parameterType="int">
delete from user where id=#{id};
</select>
<select id="insertUser" parameterType="com.alise.po.User">
insert into user (username,sex,birthday,address) values (#{username},#{sex},#{birthday},#{address});
</select>
</mapper>
/**********************************Test_01.java*************************************/
package com.alise.test;
import java.io.IOException;
import java.io.InputStream;
import java.util.Date;
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;
import org.junit.Test;
import com.alise.po.User;
public class Test_01 {
@Test//增加,插入
public void run_05() throws Exception{
InputStream is = Resources.getResourceAsStream("SqlMapConfig.xml");
SqlSessionFactoryBuilder builder = new SqlSessionFactoryBuilder();
SqlSessionFactory factory = builder.build(is);
SqlSession session = factory.openSession();
User user = new User();
user.setAddress("adds");
user.setBirthday(new Date());
user.setSex("男");
user.setUsername("姓名");
int i = session.insert("test.insertUser", user);
session.commit();
System.out.println(i);
}
@Test//删除
public void run_04() throws Exception{
InputStream is = Resources.getResourceAsStream("SqlMapConfig.xml");
SqlSessionFactoryBuilder builder = new SqlSessionFactoryBuilder();
SqlSessionFactory factory = builder.build(is);
SqlSession session = factory.openSession();
User user = new User();
user.setId(1);
int i = session.delete("test.deleteUserById", user);
session.commit();
System.out.println(i);
}
@Test//更改
public void run_03() throws Exception{
InputStream is = Resources.getResourceAsStream("SqlMapConfig.xml");
SqlSessionFactoryBuilder builder = new SqlSessionFactoryBuilder();
SqlSessionFactory factory = builder.build(is);
SqlSession session = factory.openSession();
User user = new User();
user.setAddress("地址");
user.setBirthday(new Date());
user.setSex("男");
user.setUsername("username");
user.setId(2);
int update = session.update("test.updateUser", user);
session.commit();
System.out.println(update);
}
@Test//通过用户名查询用户,模糊查询
public void run_02() throws Exception{
InputStream is = Resources.getResourceAsStream("SqlMapConfig.xml");
SqlSessionFactoryBuilder builder = new SqlSessionFactoryBuilder();
SqlSessionFactory factory = builder.build(is);
SqlSession session = factory.openSession();
List<User> list = session.selectList("test.findUserByName", "li");
for(User user:list){
System.out.println(user);
}
}
@Test//通过id查询用户
public void run_01() throws Exception{
InputStream is = Resources.getResourceAsStream("SqlMapConfig.xml");
SqlSessionFactoryBuilder builder = new SqlSessionFactoryBuilder();
SqlSessionFactory factory = builder.build(is);
SqlSession session = factory.openSession();
User user = (User)session.selectOne("test.findUserById", 4);
System.out.println(user);
}
}