一、把项目变成web项目。–右键项目点击Add Framework Support，之后选择web……
二、
1.在web.xml配置DispatchServlet，在springmvc中有讲到。

<!--    DispatchServlet--><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:spring-mvc.xml</param-value></init-param><load-on-startup>1</load-on-startup></servlet><servlet-mapping><servlet-name>springmvc</servlet-name><url-pattern>/</url-pattern></servlet-mapping>

配置这个需要在resources下面新建spring-mvc.xml，还没内容

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"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"></beans>

然后在applicationContext.xml导入，在这里就可以看出ssm整合的三层了

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"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"><import resource="classpath:spring-dao.xml"/><import resource="classpath:spring-service.xml" /><import resource="classpath:spring-mvc.xml" />
</beans>

2.在web.xml下配置过滤–防止乱码

<!--    乱码过滤--><filter><filter-name>encodingFilter</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>encodingFilter</filter-name><url-pattern>/*</url-pattern></filter-mapping>

3.在web.xml下配置session

  <session-config><session-timeout>15</session-timeout></session-config>

三，在spring-mvc.xml添加

<?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:mvc="http://www.springframework.org/schema/mvc"xmlns:context="http://www.springframework.org/schema/context"xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/mvc https://www.springframework.org/schema/mvc/spring-mvc.xsd http://www.springframework.org/schema/context https://www.springframework.org/schema/context/spring-context.xsd"><!--    1.注解驱动--><mvc:annotation-driven/>
<!--    2.静态资源过滤--><mvc:default-servlet-handler/>
<!--    3.扫描包下的注解 controller--><context:component-scan base-package="zhouFu.controller" />
<!--    4.视图解析器--><bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<!--        前缀，顺便去创建jsp目录--><property name="prefix" value="/WEB-INF/jsp/"/><property name="suffix" value=".jsp" /></bean>
</beans>

三个框架整合到此结束……此时我脑袋一遍混乱！！！必须要多敲几遍。