[java][SSM]整合Mybatis3、Spring4 和 SpringMVC4 的步骤

整合Mybatis3、Spring4 和 SpringMVC4 的步骤可以概括为以下几点：

1. **创建Web项目**：在IDE中创建一个新的Web项目。

2. **导入依赖**：将所需的jar包导入到项目中，包括Mybatis3、Spring4、SpringMVC4以及数据库驱动（如mysql）。

3. **创建配置文件**：为Mybatis3、Spring4、SpringMVC4和数据库连接创建相应的配置文件。

4. **配置web.xml**：在web.xml中配置Spring的监听器、Mybatis的SqlSessionFactory、SpringMVC的DispatcherServlet等。

5. **配置数据源**：在datasource.properties文件中配置数据库连接信息。

6. **配置Mybatis**：在mybatis.cfg.xml中配置Mybatis的别名、类型处理器等。

7. **配置Spring MVC**：在mvc-servlet.xml中配置Spring MVC的视图解析器、静态资源处理等。

8. **配置Spring应用上下文**：在applicationContext.xml中配置Spring的事务管理、数据源、Mapper扫描等。

9. **编写测试**：创建相关的Java类和配置文件进行测试。

以下是整合框架的详细步骤和配置文件示例：

### 1. 创建Web项目

在IDE（如Eclipse、IntelliJ IDEA）中创建一个新的Web项目。

### 2. 导入依赖

将以下jar包导入到项目的lib目录中：

- spring-websocket-4.2.0.RELEASE.jar
- 其他Spring4、Mybatis3和数据库驱动的jar包

### 3. 创建配置文件

#### 3.1 数据源配置（datasource.properties）

```properties
jdbc.driver=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://localhost:3306/mybatis?useUnicode=true&characterEncoding=UTF-8
jdbc.username=root
jdbc.password=root
```

#### 3.2 Mybatis配置（mybatis.cfg.xml）

```xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE configuration PUBLIC "-//mybatis.org//DTD Config 3.0//EN" "http://mybatis.org/dtd/mybatis-3-config.dtd">
<configuration>
    <!-- Mybatis配置内容 -->
</configuration>
```

#### 3.3 Spring MVC配置（mvc-servlet.xml）

```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:mvc="http://www.springframework.org/schema/mvc"
       xsi:schemaLocation="
       http://www.springframework.org/schema/beans
       http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
       http://www.springframework.org/schema/context
       http://www.springframework.org/schema/context/spring-context-3.0.xsd
       http://www.springframework.org/schema/mvc
       http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd">
    <mvc:annotation-driven/>
    <context:component-scan base-package="com.cy.ssm">
        <context:include-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
    </context:component-scan>
    <bean class="org.springframework.web.servlet.view.UrlBasedViewResolver">
        <property name="viewClass" value="org.springframework.web.servlet.view.JstlView"/>
        <property name="prefix" value="/"/>
        <property name="suffix" value=".jsp"/>
    </bean>
</beans>
```

#### 3.4 Spring应用上下文配置（applicationContext.xml）

```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-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/tx
       http://www.springframework.org/schema/tx/spring-tx-3.1.xsd
       http://www.springframework.org/schema/context
       http://www.springframework.org/schema/context/spring-context-4.2.xsd">
    <context:component-scan base-package="com.cy.ssm">
        <context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller"/>
    </context:component-scan>
    <aop:aspectj-autoproxy/>
    <bean class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
        <property name="locations">
            <value>classpath:datasource.properties</value>
        </property>
    </bean>
    <bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
        <property name="driverClassName" value="${jdbc.driver}"/>
        <property name="url" value="${jdbc.url}"/>
        <property name="username" value="${jdbc.username}"/>
        <property name="password" value="${jdbc.password}"/>
    </bean>
    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <property name="dataSource" ref="dataSource"/>
        <property name="configLocation" value="classpath:mybatis.cfg.xml"/>
        <property name="typeAliasesPackage" value="com.cy.ssm.beans"/>
    </bean>
    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        <property name="basePackage" value="com.cy.ssm.mapper"/>
    </bean>
    <bean id="txManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <property name="dataSource" ref="dataSource"/>
    </bean>
    <tx:advice id="txAdvice" transaction-manager="txManager">
        <tx:attributes>
            <tx:method name="delete*" propagation="REQUIRED" read-only="false" rollback-for="java.lang.Exception"/>
            <tx:method name="save*" propagation="REQUIRED" read-only="false" rollback-for="java.lang.Exception"/>
            <tx:method name="insert*" propagation="REQUIRED" read-only="false" rollback-for="java.lang.Exception"/>
            <tx:method name="update*" propagation="REQUIRED" read-only="false" rollback-for="java.lang.Exception"/>
            <tx:method name="load*" propagation="SUPPORTS" read-only="true"/>
            <tx:method name="find*" propagation="SUPPORTS" read-only="true"/>
            <tx:method name="search*" propagation="SUPPORTS" read-only="true"/>
            <tx:method name="select*" propagation="SUPPORTS" read-only="true"/>
            <tx:method name="get*" propagation="SUPPORTS" read-only="true"/>
        </tx:attributes>
    </tx:advice>
    <aop:config>
        <aop:pointcut id="serviceMethods" expression="execution(* com.cy.ssm.service.impl.*ServiceImpl.*(..))"/>
        <aop:advisor advice-ref="txAdvice" pointcut-ref="serviceMethods"/>
    </aop:config>
</beans>
```

### 4. 配置web.xml

```xml
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5"
         xmlns="http://java.sun.com/xml/ns/javaee"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
                             http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
    <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>/WEB-INF/classes/applicationContext.xml, /WEB-INF/classes/mvc-servlet.xml</param-value>
    </context-param>
    <context-param>
        <param-name>log4jConfigLocation</param-name>
        <param-value>/WEB-INF/log4j.xml</param-value>
    </context-param>
    <context-param>
        <param-name>log4jRefreshInterval</param-name>
        <param-value>60000</param-value>
    </context-param>
    <context-param>
        <param-name>webAppRootKey</param-name>
        <param-value>ssm.root</param-value>
    </context-param>
    <servlet-mapping>
        <servlet-name>default</servlet-name>
        <url-pattern>/static/*</url-pattern>
    </servlet-mapping>
    <servlet>
        <servlet-name>mvc</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <init-param>
            <param-name>contextConfigLocation</param-name>
            <param-value>/WEB-INF/classes/mvc-servlet.xml</param-value>
        </init-param>
    </servlet>