maven项目 实现 spring mybatis 两个框架整合
1、maven项目
src
main
java java源文件
resources 配置文件
beans.xml spring配置文件
<?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"
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-4.3.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"> <context:component-scan base-package="com.entity"/>
<!-- 引入配置文件 -->
<bean id="propertyConfigurer" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
<property name="location" value="classpath:db.properties"/>
</bean> <!-- 使用spring jdbc中的类建立数据源 -->
<bean id="ds" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
<property name="driverClassName" value="${db.driver}"/>
<property name="url" value="${db.url}"/>
<property name="username" value="${db.user}"/>
<property name="password" value="${db.password}"/>
</bean>
<!-- SqlSessionFactory -->
<bean id="sf" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="dataSource" ref="ds"/>
<!-- com.entity.Student 可以写 sutdent -->
<property name="typeAliasesPackage" value="com.entity"/>
<property name="mapperLocations" value="classpath:com/entity/mapper/*Mapper.xml"/>
</bean>
<!-- SqlSession -->
<bean id="session" class="org.mybatis.spring.SqlSessionTemplate">
<constructor-arg index="0" ref="sf" />
</bean> <!--创建数据映射器,数据映射器必须为接口 -->
<!--
<bean id="ssm" class="org.mybatis.spring.mapper.MapperFactoryBean">
<property name="mapperInterface" value="com.entity.mapper.StudentMapper" />
<property name="sqlSessionFactory" ref="sf" />
</bean>
--> <!-- 扫描mapper包 自动在spring中生成 xxxxMapper bean -->
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<property name="basePackage" value="com.entity.mapper"/>
<property name="sqlSessionFactoryBeanName" value="sf"/>
</bean> <bean id="transactionManager"
class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="ds"/>
</bean> <bean id="jdbcTemplate" class="org.springframework.jdbc.core.JdbcTemplate">
<property name = "dataSource" ref="ds"/>
</bean> <tx:annotation-driven transaction-manager="transactionManager" />
</beans>
db.properties 文件
db.driver=com.mysql.jdbc.Driver
db.url=jdbc:mysql://localhost:3306/test?useUnicode=true&characterEncoding=utf8&useSSL=true
db.user=root
db.password=root(输入自己的mysql密码)
test
java 测试源文件
pom.xml
<?xml version="1.0" encoding="UTF-8"?>
<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.fz</groupId>
<artifactId>springmybatis</artifactId>
<version>1.0</version>
<packaging>jar</packaging> <properties>
<java-version>1.7</java-version>
<aspectj.version>1.6.11</aspectj.version>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
<maven.compiler.encoding>UTF-8</maven.compiler.encoding>
</properties> <dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.12</version>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>1.16.14</version>
</dependency> <dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>4.3.6.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
<version>4.3.6.RELEASE</version>
</dependency> <dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>3.4.2</version>
</dependency>
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>1.3.1</version>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.40</version>
</dependency> </dependencies>
<build>
<finalName>${project.artifactId}</finalName>
<sourceDirectory>src/main/java</sourceDirectory>
<testSourceDirectory>src/test/java</testSourceDirectory>
<resources>
<resource>
<directory>src/main/java</directory>
<includes>
<include>**/*.xml</include>
</includes>
</resource>
<resource>
<directory>src/main/resources</directory>
<includes>
<include>**/*.xml</include>
<include>**/*.properties</include>
</includes>
</resource>
</resources>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.3</version>
<configuration>
<source>${java-version}</source>
<target>${java-version}</target>
<encoding>${project.build.sourceEncoding}</encoding>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<version>2.12.4</version>
<configuration>
<skipTests>true</skipTests>
</configuration>
</plugin> </plugins>
</build>
</project>
2、com.entity.Student 实体类
package com.entity;
import lombok.Data;
/**
* Created by webrx on 2017/2/15 0015 11:40.
*/
@Data
public class Student {
private int id;
private String name;
private String address;
}
3、mybatis mapper接口 及mapper配置文件 路径:/src/main/java/com/entity/mapper/StudentMapper.java
package com.entity.mapper; import com.entity.Student;
import org.apache.ibatis.annotations.Param;
import org.apache.ibatis.annotations.Select; import java.util.List; /**
* Created by webrx on 2017/2/15 0015 11:52.
*/
public interface StudentMapper {
@Select("select * from student where id = #{id}")
public Student findById(int id); @Select("select * from student where 1=1 order by id desc")
public List<Student> queryAll(); public int insert(Student student); public int save(@Param("name") String name, @Param("address") String address); public int add(String name,String address); public List<Student> shows(); }
mapper文件配置 文件路径:src/main/java/com/entity/mapper/StudentMapper.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.entity.mapper.StudentMapper">
<insert id="insert" parameterType="student">
insert into student values(null,#{name},#{address})
</insert> <insert id="save" parameterType="string">
insert into student values(null,#{name},#{address})
</insert> <select id="shows" resultType="student">
select * from student
</select> <insert id="add" parameterType="string">
insert into student values(null,#{0},#{1})
</insert>
</mapper>
4、测试主程序
import com.entity.Student;
import com.entity.StudentDAO;
import com.entity.mapper.StudentMapper;
import com.entity.mapper.UserMapper;
import org.junit.Test;
import org.springframework.context.support.ClassPathXmlApplicationContext; import java.sql.SQLException;
import java.util.List;
import java.util.Map; /**
* Created by webrx on 2017/2/15 0015 11:41.
*/
public class Demo { @Test
public void xx(){
ClassPathXmlApplicationContext ctx = new ClassPathXmlApplicationContext("beans.xml");
StudentMapper sm = ctx.getBean("studentMapper",StudentMapper.class); //sm.save("赵七","北京");
sm.add("dd","zz111"); //Student st = new Student();
//st.setName("李四六");
//st.setAddress("郑州文化路");
//sm.insert(st); //System.out.println(sm.queryAll().size());
System.out.println(sm.shows().size());
ctx.close();
} @Test
public void cc(){
ClassPathXmlApplicationContext ctx = new ClassPathXmlApplicationContext("beans.xml"); for(String s : ctx.getBeanDefinitionNames()){
System.out.println(s);
} System.out.println("----------------------------------------------------");
StudentMapper sm = ctx.getBean("studentMapper",StudentMapper.class);
for(Student st : sm.queryAll()){
System.out.println(st.getName());
}
System.out.println("----------------------------------------------------");
StudentDAO sdao = ctx.getBean("studentdao",StudentDAO.class);
for(Student st : sdao.query()){
System.out.println(st.getName());
}
System.out.println("----------------------------------------------------");
System.out.println(sm==sdao.getSm()); UserMapper um = ctx.getBean("userMapper",UserMapper.class);
for(Map<String,Object> ss : um.query()){
System.out.println(ss.get("name"));
}
ctx.close();
} @Test
public void aa(){
ClassPathXmlApplicationContext ctx = new ClassPathXmlApplicationContext("beans.xml");
StudentMapper sm = ctx.getBean("sm",StudentMapper.class);
List<Student> sts = sm.queryAll();
System.out.println(sts.size());
for(Student s : sts){
System.out.println(s.getAddress());
}
ctx.close();
} @Test
public void tt() throws SQLException {
ClassPathXmlApplicationContext ctx = new ClassPathXmlApplicationContext("beans.xml");
//SqlSessionFactory sf = ctx.getBean("sf",SqlSessionFactory.class);
StudentDAO sd = ctx.getBean("studentdao",StudentDAO.class); Student myst = sd.queryById(8);
System.out.println(myst.getName());
System.out.println(myst.getAddress()); System.out.println("------------------------"); List<Student> sts = sd.query();
for(Student s : sts){
System.out.println(s.getName());
}
ctx.close();
}
}
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