整合思路
- 搭建整合的环境
- 先把Spring的配置搭建完成
- 再使用Spring整合SpringMVC框架
- 最后使用Spring整合MyBatis框架
创建数据库和表
create database ssm;
use ssm;
create table account(
id int primary key auto_increment,
name varchar(20),
money double
);
创建MAVEN工程,导入相应坐标
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<maven.compiler.source>1.8</maven.compiler.source>
<maven.compiler.target>1.8</maven.compiler.target>
<spring.version>5.0.2.RELEASE</spring.version>
<slf4j.version>1.6.6</slf4j.version>
<log4j.version>1.2.12</log4j.version>
<mysql.version>5.1.6</mysql.version>
<mybatis.version>3.4.5</mybatis.version>
</properties>
<dependencies>
<!-- spring -->
<dependency>
<groupId>org.aspectj</groupId>
<artifactId>aspectjweaver</artifactId>
<version>1.6.8</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-aop</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-tx</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.12</version>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>${mysql.version}</version>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>servlet-api</artifactId>
<version>2.5</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>javax.servlet.jsp</groupId>
<artifactId>jsp-api</artifactId>
<version>2.0</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>jstl</groupId>
<artifactId>jstl</artifactId>
<version>1.2</version>
</dependency>
<!-- log start -->
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>${log4j.version}</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>${slf4j.version}</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-log4j12</artifactId>
<version>${slf4j.version}</version>
</dependency>
<!-- log end -->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>${mybatis.version}</version>
</dependency>
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>1.3.0</version>
</dependency>
<dependency>
<groupId>c3p0</groupId>
<artifactId>c3p0</artifactId>
<version>0.9.1.2</version>
<type>jar</type>
<scope>compile</scope>
</dependency>
</dependencies>
创建对应的包

编写domain(省略get/set/toString方法)
public class Account implements Serializable {
private Integer id;
private String name;
private Double money;
}
编写dao接口
public interface IAccountDao {
List<Account> findAll();
void saveAccount(Account account);
}
编写service接口及实现类
public interface IAccountService {
/**
* 查询所有账户信息
*
* @return
*/
List<Account> findAll();
/**
* 保存账户信息
*
* @param account
*/
void saveAccount(Account account);
}
public class AccountServiceImpl implements IAccountService {
@Override
public List<Account> findAll() {
return null;
}
@Override
public void saveAccount(Account account) {
}
}
搭建Spring的环境
applicationContext.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: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.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.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">
<!--开启注解扫描,只处理service和dao-->
<context:component-scan base-package="com.sx">
<!--配置哪些注解不扫描-->
<context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
</context:component-scan>
</beans>
Spring整合SpringMVC
配置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>
<!--解决中文乱码的过滤器-->
<filter>
<filter-name>characterEncodingFilter</filter-name>
<filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
<init-param>
<param-name>encoding</param-name>
<param-value>UTF-8</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>characterEncodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<!--配置前端控制器-->
<servlet>
<servlet-name>dispatcherServlet</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<!--加载SpringMVC.xml配置文件-->
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:SpringMVC.xml</param-value>
</init-param>
<!--启动服务器就创建该servlet-->
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>dispatcherServlet</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
</web-app>
配置SpringMVC.xml
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:mvc="http://www.springframework.org/schema/mvc"
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/mvc
http://www.springframework.org/schema/mvc/spring-mvc.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd">
<!--开启注解扫描,只扫描Controller-->
<context:component-scan base-package="com.sx">
<!--只扫描Controller-->
<context:include-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
</context:component-scan>
<!--配置视图解析器-->
<bean id="internalResourceViewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix" value="/WEB-INF/pages/"></property>
<property name="suffix" value=".jsp"></property>
</bean>
<!-- 设置静态资源不过滤 -->
<!--<mvc:resources location="/css/" mapping="/css/**" />-->
<!--<mvc:resources location="/images/" mapping="/images/**" />-->
<!--<mvc:resources location="/js/" mapping="/js/**" />-->
<!--开启SpringMVC注解支持-->
<mvc:annotation-driven />
</beans>
在项目启动的时候,就加载applicationContext.xml的配置文件,在web.xml中配置ContextLoaderListener监听器
<!--配置Spring的监听器,默认只会加载WEB-INF目录下applicationContext.xml-->
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<!--设置配置文件的路径-->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:applicationContext.xml</param-value>
</context-param>
在Controller中注入Service对象
public class AccountController {
@Autowired
private IAccountService accountService;
@RequestMapping("/findAll")
public String testFindAll() {
System.out.println(“findAll方法执行了”);
return null;
}
@RequestMapping("/save")
public void testSave() {
System.out.println("save方法执行了");
return;
}
}
Spring整合Mybatis
将SqlMapConfig.xml配置文件中的内容配置到applicationContext.xml配置文件中
<!--Spring整合Mybatis对象-->
<!--配置c3p0连接池-->
<bean id="comboPooledDataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
<property name="driverClass" value="com.mysql.jdbc.Driver"/>
<property name="jdbcUrl" value="jdbc:mysql://localhost:3306/ssm"/>
<property name="user" value="root"/>
<property name="password" value="123456"/>
</bean>
<!--配置SqlSessionFactory工厂-->
<bean id="sqlSessionFactoryBean" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="dataSource" ref="comboPooledDataSource"/>
</bean>
<!--dao接口所在的包-->
<bean id="mapperScannerConfigurer" class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<property name="basePackage" value="com.sx.dao"/>
</bean>
dao接口中添加注解
@Repository("accountDao")
public interface IAccountDao {
/**
* 查询所有账户信息
*
* @return
*/
@Select("select * from account")
List<Account> findAll();
/**
* 保存账户信息
*
* @param account
*/
@Insert("insert into account (name,money) values (#{name},#{money})")
void saveAccount(Account account);
}
service中注入dao
@Service("accountService")
public class AccountServiceImpl implements IAccountService {
@Autowired
private IAccountDao accountDao;
@Override
public List<Account> findAll() {
return accountDao.findAll();
}
@Override
public void saveAccount(Account account) {
accountDao.saveAccount(account);
}
}
配置声明式事务控制及AOP
<!--配置Spring声明式事务控制-->
<!--配置事务管理器-->
<bean id="dataSourceTransactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="comboPooledDataSource"/>
</bean>
<!--配置事务通知-->
<tx:advice id="txAdvice" transaction-manager="dataSourceTransactionManager">
<tx:attributes>
<tx:method name="find*" read-only="true"/>
<tx:method name="*" isolation="DEFAULT"/>
</tx:attributes>
</tx:advice>
<!--配置AOP增强-->
<aop:config>
<aop:advisor advice-ref="txAdvice" pointcut="execution(* com.sx.service.impl.*Impl.*(..))"/>
</aop:config>
完善Controller中的方法
@Controller
@RequestMapping("/account")
public class AccountController {
@Autowired
private IAccountService accountService;
@RequestMapping("/findAll")
public String testFindAll(Model model) {
List<Account> accounts = accountService.findAll();
model.addAttribute("accounts", accounts);
return "list";
}
@RequestMapping("/save")
public void testSave(Account account, HttpServletResponse response, HttpServletRequest request) throws IOException {
accountService.saveAccount(account);
response.sendRedirect(request.getContextPath() + "/account/findAll");
return;
}
}
index.jsp
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>Title</title>
</head>
<body>
<a href="account/findAll">测试查询所有</a>
<form action="account/save" method="post">
姓名:<input type="text" name="name"><br/>
金额:<input type="text" name="money"><br/>
<input type="submit" value="保存用户">
</form>
</body>
</html>
执行方法跳转的页面
<%@ page contentType="text/html;charset=UTF-8" language="java" isELIgnored="false" %>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<html>
<head>
<title>Title</title>
</head>
<body>
<h3>查询所有</h3>
<c:forEach items="${accounts}" var="account">
${account.id}
${account.name}
${account.money}
</c:forEach>
</body>
</html>