Spring+SpringMVC+MyBatis入門實踐（4）Spring + MyBatis整合
阿新 • • 發佈：2018-12-14
本過程基於Mybatis入門進行, 所以在開始之前希望你建庫，表結構，Mybatis的常用用法都已經熟練了。
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" pojo
package com.happycoder.pojo;
public class Product {
private int id;
private String name;
private float price;
private Category category;
public Category getCategory() {
return category;
}
public void setCategory(Category category) {
this.category = category;
}
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 float getPrice() {
return price;
}
public void setPrice(float price) {
this.price = price;
}
@Override
public String toString() {
return "Product{" +
"id=" + id +
", name='" + name + '\'' +
", price=" + price +
'}';
}
}
mapper
package com.happycoder.mapper;
import com.happycoder.pojo.Category1;
import java.util.List;
public interface Category1Mapper {
public int add(Category1 category1);
public void delete(int id);
public Category1 get(int id);
public int update(Category1 category1);
public List<Category1> list();
public int count();
}
category.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.happycoder.mapper">
<insert id="add" parameterType="Category" >
insert into category_ ( name ) values (#{name})
</insert>
<delete id="delete" parameterType="Category" >
delete from category_ where id= #{id}
</delete>
<select id="get" parameterType="_int" resultType="Category">
select * from category_ where id= #{id}
</select>
<update id="update" parameterType="Category" >
update category_ set name=#{name} where id=#{id}
</update>
<select id="list" resultType="Category">
select * from category_
</select>
</mapper>
spring-config.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:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx" xmlns:jdbc="http://www.springframework.org/schema/jdbc"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xsi:schemaLocation="
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd
http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
http://www.springframework.org/schema/jdbc http://www.springframework.org/schema/jdbc/spring-jdbc-3.0.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.0.xsd
http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.0.xsd
http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd">
<context:annotation-config />
<bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
<property name="driverClassName">
<value>com.mysql.jdbc.Driver</value>
</property>
<property name="url">
<value>jdbc:mysql://localhost:3306/test?characterEncoding=UTF-8</value>
</property>
<property name="username">
<value>root</value>
</property>
<property name="password">
<value>root</value>
</property>
</bean>
<bean id="sqlSession" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="typeAliasesPackage" value="com.happycoder.pojo"/>
<property name="dataSource" ref="dataSource" />
<property name="mapperLocations" value="classpath:*.xml"/>
</bean>
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<property name="basePackage" value="com.happycoder.mapper"/>
</bean>
</beans>
測試類
package com.happycoder.test;
import com.happycoder.mapper.Category1Mapper;
import com.happycoder.pojo.Category1;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import java.util.List;
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration("classpath:spring-config.xml")
public class TestMybatis {
@Autowired
private Category1Mapper category1Mapper;
@Test
public void testAdd(){
Category1 category1 = new Category1();
category1.setName("new Category");
category1Mapper.add(category1);
}
@Test
public void testList(){
System.out.println(category1Mapper);
List<Category1> cs = category1Mapper.list();
for(Category1 c : cs){
System.out.println(c.getName());
}
}
}