spring和spring MVC整合
阿新 • • 發佈:2018-12-24
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:
springmvc.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>
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"?> <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>
<?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。