由于是一次简单的ssm项目整合,就一次从简,为了体现ssm的整个流程
关于pom文件的依赖,本人总共导入十个。
<dependencies>
<!--单元测试的依赖-->
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.12</version>
<scope>test</scope>
</dependency>
<!--MyBatis的依赖-->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>3.4.5</version>
</dependency>
<!--MySQL的依赖-->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.43</version>
</dependency>
<!--SpringMVC的依赖-->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>4.3.10.RELEASE</version>
</dependency>
<!--spring连接数据库的依赖-->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
<version>4.3.10.RELEASE</version>
</dependency>
<!--spring配置切面的依赖-->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-aspects</artifactId>
<version>4.3.10.RELEASE</version>
</dependency>
<!--spring的上下文的依赖-->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>4.3.10.RELEASE</version>
</dependency>
<!--Spring和MyBatis和整合依赖-->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>1.3.1</version>
</dependency>
<!--C3p0的依赖-->
<dependency>
<groupId>com.mchange</groupId>
<artifactId>c3p0</artifactId>
<version>0.9.5.1</version>
</dependency>
<!--servlet的依赖-->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>4.0.0</version>
<scope>provided</scope>
</dependency>
</dependencies>
接下来是三个配置文件的展示:applicationContext-common.xml,springmvc-config.xml和web.xml
applicationContext-common.xml
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd">
<!--配置数据源-->
<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
<property name="user" value="root"></property>
<property name="password" value="123"></property>
<property name="driverClass" value="com.mysql.jdbc.Driver"></property>
<property name="jdbcUrl" value="jdbc:mysql://localhost:3306/111?charactorEnconding=utf-8"></property>
<property name="initialPoolSize" value="3"></property>
<property name="maxPoolSize" value="20"></property>
</bean>
<!--spring代理产生sqlsessionfactory-->
<bean id="SqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="dataSource" ref="dataSource"></property>
<!--别名配置-->
<property name="typeAliasesPackage" value="com.ssm.model"></property>
<!--映射文件配置(用注解就不需要,不用注解就需要配置)-->
<property name="mapperLocations" value="classpath:com/ssm/model/*.xml"></property>
</bean>
<!--配置mapper借口扫描-->
<bean id="MapperScannerConfigurer" class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<property name="basePackage" value="com/ssm/mapper"></property>
</bean>
<!--配置事物管理-->
<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<!--引用数据源-->
<property name="dataSource" ref="dataSource"></property>
</bean>
<!--配置切面-->
<tx:advice id="txAdvice" transaction-manager="transactionManager">
<tx:attributes>
<tx:method name="add*" propagation="REQUIRED"/>
<tx:method name="update*" propagation="REQUIRED"/>
<tx:method name="delete*" propagation="REQUIRED"/>
<tx:method name="*" read-only="true"/>
</tx:attributes>
</tx:advice>
<!--配置切点-->
<aop:config>
<aop:pointcut id="pointCut" expression="execution(* com.ssm.service.*.*(..))"></aop:pointcut>
<aop:advisor advice-ref="txAdvice" pointcut-ref="pointCut"></aop:advisor>
</aop:config>
</beans>
springmvc-config.xml
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd">
<!--配置全局注解扫描-->
<context:component-scan base-package="com.ssm"></context:component-scan>
<!--视图解析-->
<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix" value="/"></property>
<property name="suffix" value=".jsp"></property>
</bean>
</beans>
web.xml
<!DOCTYPE web-app PUBLIC
"-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
"http://java.sun.com/dtd/web-app_2_3.dtd" >
<web-app>
<display-name>Archetype Created Web Application</display-name>
<!--加载spring环境-->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:applicationContext-config.xml</param-value>
</context-param>
<!--监听器-->
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<servlet>
<servlet-name>springmvc</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:springmvc-config.xml</param-value>
</init-param>
</servlet>
<servlet-mapping>
<servlet-name>springmvc</servlet-name>
<url-pattern>*.action</url-pattern>
</servlet-mapping>
</web-app>
下面的是允许xml文件在java路径中编译,放在pom文件中
其中的整个resources标签即是需要的,如果在model中没有xml文件,来实现mapper接口中的方法,即只是在mapper的接口中用的注解,这段代码就不需要,如果没有在mapper接口中采用注解,这段代码就需要加上。
下面的是关于java路径中的各个文件
model包中的Book类
package com.ssm.model;
public class Book {
private Integer bid;
private String bname;
public Book() {
}
public Book(Integer bid, String bname) {
this.bid = bid;
this.bname = bname;
}
public Integer getBid() {
return bid;
}
public void setBid(Integer bid) {
this.bid = bid;
}
public String getBname() {
return bname;
}
public void setBname(String bname) {
this.bname = bname;
}
@Override
public String toString() {
return "Book{" +
"bid=" + bid +
", bname='" + bname + '\'' +
'}';
}
}
model包中的Book.xml文件
<!DOCTYPE mapper
PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.ssm.mapper.BookMapper">
<select id="queryBook" resultType="Book">
select * from book
</select>
</mapper>
mapper包中的BookMapper文件
package com.ssm.mapper;
import com.ssm.model.Book;
import org.springframework.stereotype.Service;
import java.util.List;
@Service
public interface BookMapper {
//查询数据
List<Book> queryBook();
}
controller包中的BookController文件
package com.ssm.controller;
import com.ssm.model.Book;
import com.ssm.service.BookService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
@Controller
public class BookController {
@Autowired
private BookService bs;
@RequestMapping("test")
public String test(){
for (Book b: bs.queryBook() ) {
System.out.println(b.getBname());
}
return "success";
}
}
service包中的BookService文件
package com.ssm.service;
import com.ssm.model.Book;
import java.util.List;
public interface BookService {
//查询数据
List<Book> queryBook();
}
service包中的impl实现类,BookServiceImpl文件
package com.ssm.service.impl;
import com.ssm.mapper.BookMapper;
import com.ssm.model.Book;
import com.ssm.service.BookService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import java.util.List;
@Service("BookService")
public class BookServiceImpl implements BookService {
@Autowired
private BookMapper bm;
@Override
public List<Book> queryBook() {
return bm.queryBook();
}
}