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spring和spring MVC整合

spring和springMVC之間的整合,springMVC中的jar包包含spring中的jar包,所以無需再另外匯入jar包,只需匯入springMVC的jar包即可。

如圖一所示:

這個時候,再新建兩個原始檔夾,一個為config專門放配置檔案,另外一個為test,專門用來放進行測試的程式,在這個整合的小專案中,本身

並沒有用上test原始檔夾,但是加上倒也不錯。

現在,在config資料夾中新建兩個xml檔案,一個為spring的配置檔案,為applicationContext.xml,另一個為springmvc 的配置檔案為springmvc.xml,兩個xml

檔案的配置如下:

applicationContext.xml:

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN 2.0//EN" "http://www.springframework.org/dtd/spring-beans-2.0.dtd" [
<!ENTITY contextInclude SYSTEM "org/springframework/web/context/WEB-INF/contextInclude.xml">
]>
<beans>
	<bean id="springManager" class="cn.com.controller.SpringManager"></bean>
</beans>
springmvc.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:mvc="http://www.springframework.org/schema/mvc"
	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/mvc 
		http://www.springframework.org/schema/mvc/spring-mvc-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/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-3.0.xsd ">							
		
		<!-- mvc的註解驅動 -->
		<mvc:annotation-driven/>
		<!-- 一旦有掃描器的定義mvc:annotation-driven不需要,掃描器已經有了註解驅動的功能 -->
		<context:component-scan base-package="cn.com.controller"/>
		
		
		<!-- 字首+ viewName +字尾 -->
		<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
			<!-- webroot到某一指定的資料夾的路徑 -->
			<property name="prefix" value="/WEB-INF/jsps/"></property>
			<!-- 檢視名稱的字尾 -->
			<property name="suffix" value=".jsp"></property>
		</bean>
		
		<!-- id="multipartResolver"必須是multipartResolver -->
		<bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
			<!-- maxUploadSize:檔案上傳的最大值以byte為單位 -->
			<property name="maxUploadSize" value="1024000"></property>
		</bean>
		
		<!-- <mvc:interceptors>
			<mvc:interceptor>
				某一模組的攔截:/myPath/**, 攔截所有的請求/**
				<mvc:mapping path="/**"/>
				<bean class="cn.itcast.springmvc.interceptor.MyIntercepor"></bean>
			</mvc:interceptor>
		</mvc:interceptors> -->
</beans>
現在,在web.xml中去進行相應的配置,web.xml配置如下:
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
	xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
	id="WebApp_ID" version="2.5">
  	<context-param>
  		<param-name>contextConfigLocation</param-name>
  		<param-value>classpath:applicationContext.xml</param-value>
  	</context-param>
  	<!-- 配置spring啟動listener入口 -->
  	<listener>
    <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
	</listener>
	
	<!-- 配置springmvc啟動dispatcherServlet入口 -->
	<!-- 中央控制器 -->
	<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.xml</param-value>
		</init-param>
		<load-on-startup>1</load-on-startup>
	</servlet>
	
	<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>
		<init-param>
			<param-name>forceEncoding</param-name>
			<param-value>true</param-value>
		</init-param>
	</filter>
	<!-- encoding filter for jsp page -->
	<filter-mapping>
		<filter-name>encodingFilter</filter-name>
		<url-pattern>/*</url-pattern>
	</filter-mapping>
 
	
	<servlet-mapping>
		<servlet-name>springMVC</servlet-name>
		<!-- struts習慣使用/*,在springmvc不管用 -->
		<url-pattern>/</url-pattern>
	</servlet-mapping>
	
	
	
</web-app>
現在建立springmvc.xml中掃描的包,具體包名與類名如下:

下面依次為各個程式的程式碼:

ISpring:

package cn.com.controller;

public interface ISpring {
	void get();
}
SpringManager:
package cn.com.controller;

public class SpringManager implements ISpring {

	public void get() {
		System.out.println("spring和spring mvc整合成功!");
	}
	
}
UserController:
package cn.com.controller;

import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.context.WebApplicationContext;
import org.springframework.web.context.support.WebApplicationContextUtils;
import org.springframework.web.servlet.support.RequestContextUtils;


@Controller
@RequestMapping("/user")
public class UserController {

	@Resource(name="springManager")
	
	private ISpring springManager;
	@RequestMapping("/toSuccess.do")
	public String ToSuccess(HttpServletRequest request){
		//spring上下文
		WebApplicationContext ac1 = WebApplicationContextUtils.getWebApplicationContext(request.getSession().getServletContext());
		//springmvc的上下文
		WebApplicationContext ac2=RequestContextUtils.getWebApplicationContext(request);
		springManager.get();
		return "success";
	}
}
如此,spring和springmvc的整合完成了,現在讓我們將這個專案跑起來看一下到底成功了沒有。

debug除錯觀察ac1與ac2:

如下圖所示:

spring上下文:

springmvc上下文:

jsp頁面為:

如此,spring和springmvc的整合就成功了。