注意<!-- 中间的字要保持与左右留出一个空格，否则会报错说出现两杠线 -->
1.导入jar包
aopalliance-1.0.jar
asm-3.3.1.jar
cglib-2.2.2.jar
com.springsource.org.aspectj.weaver-1.6.8.RELEASE.jar
commons-logging-1.1.1.jar
javassist-3.17.1-GA.jar
junit-4.9.jar
log4j-1.2.17.jar
mybatis-3.0.3.jar
mybatis-3.2.2.jar
mybatis-spring-1.0.0-RC3.jar
mysql-connector-java-5.1.10-bin.jar
slf4j-api-1.7.5.jar
slf4j-log4j12-1.7.5.jar
spring-aop-3.0.5.RELEASE.jar
spring-asm-3.0.5.RELEASE.jar
spring-beans-3.0.5.RELEASE.jar
spring-context-3.0.5.RELEASE.jar
spring-core-3.0.5.RELEASE.jar
spring-expression-3.0.5.RELEASE.jar
spring-jdbc-3.0.5.RELEASE.jar
spring-tx-3.0.5.RELEASE.jar
2.写
src
----cn.itcast.mybatis.damain
User.java
User.xml
----cn.itcast.mybatis.dao
IUserDao.java
UserDaoImpl.java
----cn.itcast.mybatis.service
IUserService
UserServiceImpl
----spring-beans.xml
----sqlMapConfig.xml
User.java
1 package cn.itcast.mybatis.domain;
2
3 public class User {
4 private String id;
5 private String name;
6 private Integer age;
7 private String address;
8 public String getAddress() {
9 return address;
10 }
11 public void setAddress(String address) {
12 this.address = address;
13 }
14 public String getId() {
15 return id;
16 }
17 public void setId(String id) {
18 this.id = id;
19 }
20 public String getName() {
21 return name;
22 }
23 public void setName(String name) {
24 this.name = name;
25 }
26 public Integer getAge() {
27 return age;
28 }
29 public void setAge(Integer age) {
30 this.age = age;
31 }
32 @Override
33 public String toString() {
34 return "User [id=" + id + ", name=" + name + ", age=" + age + "]";
35 }
36
37 }
User.xml
1 <?xml version="1.0" encoding="UTF-8"?>
2 <!DOCTYPE mapper
3 PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
4 "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
5
6 <mapper namespace="cn.itcast.mybatis.domain.User">
7 <sql id="cols">
8 id,name,age,address
9 </sql>
10 <sql id="ucols">
11 name=#{name},age=#{age},address=#{address}
12 </sql>
13
14 <!-- 查询所有记录 -->
15 <select id="listAll" resultType="aliasesUser">
16 select <include refid="cols"/> from user_c
17 </select>
18
19 <!-- 按条件查询 -->
20 <select id="find" parameterType="aliasesUser" resultType="aliasesUser">
21 select * from user_c
22 <where>
23 <if test="name!=null">
24 and name like "%"#{name}"%"
25 </if>
26 <if test="age!=null">
27 and age=#{age}
28 </if>
29 </where>
30 </select>
31
32 <!-- 查询一个用户 -->
33 <select id="get" parameterType="string" resultType="aliasesUser">
34 select <include refid="cols"/> from user_c where id=#{id}
35 </select>
36
37 <!-- 新增 -->
38 <insert id="create" parameterType="aliasesUser">
39 insert into user_c (id,name,age,address) values(#{id},#{name},#{age},#{address})
40 </insert>
41
42 <!-- 修改 -->
43 <update id="update" parameterType="aliasesUser">
44 update user_c
45 <set>
46 <if test="name!=null">
47 name=#{name},
48 </if>
49 <if test="age!=null">
50 age=#{age},
51 </if>
52 <if test="address!=null">
53 address=#{address},
54 </if>
55 </set>
56
57 where id=#{id}
58 </update>
59
60 <!-- 删除 -->
61 <delete id="delete" parameterType="string">
62 delete from user_c where id=#{id}
63 </delete>
64 </mapper>
IUserDao.java
1 package cn.itcast.mybatis.dao;
2
3 import java.util.List;
4
5 import cn.itcast.mybatis.domain.User;
6
7
8 public interface IUserDao {
9 public List<User> list();
10 public User get(String id);
11 public int insert(User u);
12 public int update(User u);
13 public int deleteById(String id);
14 }
UserDaoImpl.java
1 package cn.itcast.mybatis.dao;
2
3 import java.util.List;
4
5 import org.mybatis.spring.support.SqlSessionDaoSupport;
6
7 import cn.itcast.mybatis.domain.User;
8
9 public class UserDaoImpl extends SqlSessionDaoSupport implements IUserDao {
10
11 //删除
12 public int deleteById(String id) {
13 return this.getSqlSession().delete("cn.itcast.mybatis.domain.User.deleteOne",id);
14 }
15
16 //新增
17 public int insert(User u) {
18 return this.getSqlSession().insert("cn.itcast.mybatis.domain.User.create", u);
19 }
20
21 //列表
22 public List<User> list() {
23 return this.getSqlSession().selectList("cn.itcast.mybatis.domain.User.listAll");
24 }
25
26 //修改
27 public int update(User u) {
28 return this.getSqlSession().update("cn.itcast.mybatis.domain.User.update",u);
29 }
30
31 //获取对象
32 public User get(String id) {
33 return (User) this.getSqlSession().selectOne("cn.itcast.mybatis.domain.User.get", id);
34 }
35
36 }
UserServiceDao.java
1 package cn.itcast.mybatis.service;
2
3 import java.util.List;
4
5 import cn.itcast.mybatis.domain.User;
6
7
8 public interface IUserService {
9 public List<User> list();
10 public User get(String id);
11 public int insert(User u);
12 public int update(User u);
13 public int deleteById(String id);
14 }
UserServiceDaoImpl.java
1 package cn.itcast.mybatis.service;
2
3 import java.util.List;
4
5 import cn.itcast.mybatis.dao.IUserDao;
6 import cn.itcast.mybatis.domain.User;
7
8 public class UserServiceImpl implements IUserService {
9
10 private IUserDao userDao;
11 public void setUserDao(IUserDao userDao) {
12 this.userDao = userDao;
13 }
14
15 public int deleteById(String id) {
16 int i = userDao.deleteById(id);
17 //测试事务
18 int j = 1/0;
19 return i;
20 }
21
22 public User get(String id) {
23 return userDao.get(id);
24 }
25
26 public int insert(User u) {
27 return userDao.insert(u);
28 }
29
30 public List<User> list() {
31 return userDao.list();
32 }
33
34 public int update(User u) {
35 return userDao.update(u);
36 }
37
38 }
39
重头
sqlMapConfig.xml
1 <?xml version="1.0" encoding="UTF-8"?> 2 <!DOCTYPE configuration 3 PUBLIC "-//mybatis.org//DTD Config 3.0//EN" 4 "http://mybatis.org/dtd/mybatis-3-config.dtd"> 5 <configuration> 6 7 <typeAliases> 8 <typeAlias type="cn.itcast.mybatis.domain.User" alias="aliasesUser"></typeAlias> 9 </typeAliases> 10 <environments default="development"> 11 12 <environment id="development"> 13 <transactionManager type="JDBC"/> 14 <dataSource type="POOLED"> 15 <property name="driver" value="com.mysql.jdbc.Driver"/> 16 <property name="url" value="jdbc:mysql://localhost:3306/mybatisdb?characterEncoding=UTF-8"/> 17 <property name="username" value="root"/> 18 <property name="password" value="friends"/> 19 </dataSource> 20 </environment> 21 <!-- 产品 可用于多个配置的 --> 22 <environment id="product"> 23 <transactionManager type="JDBC"/> 24 <dataSource type="POOLED"> 25 <property name="driver" value="com.mysql.jdbc.Driver"/> 26 <property name="url" value="jdbc:mysql://localhost:3306/mybatisdb?characterEncoding=UTF-8"/> 27 <property name="username" value="root"/> 28 <property name="password" value="friends"/> 29 </dataSource> 30 </environment> 31 </environments> 32 <mappers> 33 <mapper resource="cn/itcast/mybatis/domain/User.xml"/> 34 </mappers> 35 </configuration>
spring-beans.xml
1 <?xml version="1.0" encoding="UTF-8"?> 2 <beans xmlns="http://www.springframework.org/schema/beans" 3 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 4 xmlns:context="http://www.springframework.org/schema/context" 5 xmlns:aop="http://www.springframework.org/schema/aop" 6 xmlns:tx="http://www.springframework.org/schema/tx" 7 xsi:schemaLocation="http://www.springframework.org/schema/beans 8 http://www.springframework.org/schema/beans/spring-beans-3.0.xsd 9 http://www.springframework.org/schema/context 10 http://www.springframework.org/schema/context/spring-context-3.0.xsd 11 http://www.springframework.org/schema/tx 12 http://www.springframework.org/schema/tx/spring-tx-3.0.xsd 13 http://www.springframework.org/schema/aop 14 http://www.springframework.org/schema/aop/spring-aop-3.0.xsd"> 15 16 <!-- 数据源 --> 17 <bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource"> 18 <property name="driverClassName" value="com.mysql.jdbc.Driver"></property> 19 <property name="url" value="jdbc:mysql://localhost/mybatisdb?characterEncoding=utf-8"></property> 20 <property name="username" value="root"></property> 21 <property name="password" value="friends"></property> 22 </bean> 23 24 <bean id="sessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean"> 25 <property name="configLocation" value="classpath:sqlMapConfig.xml"></property> 26 <property name="dataSource" ref="dataSource"></property> 27 28 </bean> 29 30 <!-- 事务相关控制 --> 31 <bean name="transactionManager" 32 class="org.springframework.jdbc.datasource.DataSourceTransactionManager"> 33 <property name="dataSource" ref="dataSource"/> 34 </bean> 35 36 <!-- 通知 --> 37 <tx:advice id="tx" 38 transaction-manager="transactionManager"> 39 <tx:attributes> 40 <tx:method name="delete*" propagation="REQUIRED" /> 41 <tx:method name="insert*" propagation="REQUIRED" /> 42 <tx:method name="update*" propagation="REQUIRED" /> 43 <tx:method name="find*" read-only="true" /> 44 <tx:method name="get*" read-only="true" /> 45 <tx:method name="select*" read-only="true" /> 46 </tx:attributes> 47 </tx:advice> 48 49 <aop:config> 50 <aop:pointcut id="pc" expression="execution(* cn.itcast.mybatis.service.*.*(..))" /> 51 <!--把事务控制在Service层--> 52 <aop:advisor pointcut-ref="pc" advice-ref="tx" /> 53 </aop:config> 54 55 <bean id="userDao" class="cn.itcast.mybatis.dao.UserDaoImpl"> 56 <property name="sqlSessionFactory" ref="sessionFactory"></property> 57 </bean> 58 59 <bean id="userService" class="cn.itcast.mybatis.service.UserServiceImpl"> 60 <property name="userDao" ref="userDao"></property> 61 </bean> 62 </beans>
测试
1 package test;
2
3 import java.util.List;
4
5 import org.junit.Test;
6 import org.springframework.context.ApplicationContext;
7 import org.springframework.context.support.ClassPathXmlApplicationContext;
8
9 import cn.itcast.mybatis.domain.User;
10 import cn.itcast.mybatis.service.IUserService;
11
12 public class TestSpringMybatis {
13
14 @Test
15 public void test(){
16 ApplicationContext ac = new ClassPathXmlApplicationContext("spring-beans.xml");
17 IUserService us = (IUserService) ac.getBean("userService");
18 List<User> users = us.list();
19 System.out.println(users.size());
20 }
21
22 @Test
23 public void testDelete(){
24 ApplicationContext ac = new ClassPathXmlApplicationContext("spring-beans.xml");
25 IUserService us = (IUserService) ac.getBean("userService");
26 us.deleteById("1");
27 }
28
29 }
spring+mybatis 框架搭建,布布扣,bubuko.com
时间： 2024-10-07 10:30:59