SpringMVC整合DWR(Maven项目+jetty插件运行)

SpringMVC的maven项目创建可以参考这篇文章：http://www.cnblogs.com/crazy-fox/archive/2012/02/18/2357619.html

建立一个SpringMVC项目如下：

1.pom.xml

<project xmlns= "http://maven.apache.org/POM/4.0.0" xmlns:xsi= "http://www.w3.org/2001/XMLSchema-instance" xsi:schemalocation= "http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd" >

<modelversion> 4.0 . 0 </modelversion>

<groupid>com.kxw.web</groupid>

springmvc</artifactid>

<packaging>war</packaging>

<version> 0.0 . 1 -SNAPSHOT</version>

<name>springmvc Maven Webapp</name>

<url>http: //maven.apache.org</url>

<repositories>

<repository>

<id>central</id>

<name>Central Repository</name>

<url>https: //nexus.sourcesense.com/nexus/content/repositories/public/</url>

<layout> default </layout>

<snapshots>

<enabled> false </enabled>

</snapshots>

</repository>

</repositories>

<properties>

<project.build.sourceencoding>UTF- 8 </project.build.sourceencoding>

<org.springframework.version> 3.0 . 5 .RELEASE</org.springframework.version>

</properties>

<dependencies>

<dependency>

<groupid>junit</groupid>

junit</artifactid>

<version> 4.10 </version>

<scope>test</scope>

</dependency>

<dependency>

<groupid>org.springframework</groupid>

spring-webmvc</artifactid>

<version>${org.springframework.version}</version>

</dependency>

</dependencies>

<build>

<finalname>springmvc</finalname>

<plugins>

<plugin>

<groupid>org.mortbay.jetty</groupid>

jetty-maven-plugin</artifactid>

<version> 8.1 . 14 .v20131031</version>

<configuration>

<scanintervalseconds> 200 </scanintervalseconds>

<webappconfig>

<contextpath>/springmvc</contextpath>

<defaultsdescriptor>src/main/resources/webdefault.xml</defaultsdescriptor>

</webappconfig>

<connectors>

<connector implementation= "org.eclipse.jetty.server.nio.SelectChannelConnector" >

<port> 7878 </port>

<maxidletime> 60000 </maxidletime>

</connector>

</connectors>

</configuration>

</plugin>

</plugins>

</build>

</project>

2.web.xml:

<web-app>

<display-name>Archetype Created Web Application</display-name>

<servlet>

<servlet-name>mvcServlet</servlet-name>

<servlet- class >org.springframework.web.servlet.DispatcherServlet</servlet- class >

<init-param>

<param-name>contextConfigLocation</param-name>

<param-value>classpath*:/servlet-context.xml</param-value>

</init-param>

<load-on-startup> 1 </load-on-startup>

</servlet>

<servlet-mapping>

<servlet-name>mvcServlet</servlet-name>

<url-pattern>*.action</url-pattern>

</servlet-mapping>

</web-app>

Spring-mvc缺省是在WEB-INF目录下找名称未${servlet-name}-context.xml的配置文件，这里通过contextconfiglocation的配置，将spring-mvc所需的配置文件指向到src\resources\spring\web目录下。

3.servlet-context.xml

<beans xmlns= "http://www.springframework.org/schema/beans" xmlns:mvc= "http://www.springframework.org/schema/mvc" xmlns:xsi= "http://www.w3.org/2001/XMLSchema-instance" xmlns:p= "http://www.springframework.org/schema/p" xmlns:context= "http://www.springframework.org/schema/context" 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.xsd

">

<context:component-scan base- package = "com.kxw.springmvc.controller" >

<bean id= "viewResolver" class = "org.springframework.web.servlet.view.UrlBasedViewResolver" >

<property name= "viewClass" value= "org.springframework.web.servlet.view.JstlView" >

<property name= "prefix" value= "/WEB-INF/jsp/" >

<property name= "suffix" value= ".jsp" >

</property></property></property></bean>

</context:component-scan></beans>

4.Controller类HelloWorld.java:

package com.kxw.springmvc.controller;

import org.springframework.stereotype.Controller;

import org.springframework.web.bind.annotation.RequestMapping;

import org.springframework.web.bind.annotation.RequestMethod;

import org.springframework.web.servlet.ModelAndView;

@Controller

@RequestMapping ( "/helloworld" )

public class Helloworld {

@RequestMapping (method=RequestMethod.GET)

public ModelAndView hello() {

ModelAndView mv = new ModelAndView();

mv.setViewName( "helloworld" );

return mv;

}

5.helloworld.jsp:

<% @page contentType= "text/html" pageEncoding= "UTF-8" %>

<meta http-equiv= "Content-Type" content= "text/html; charset=UTF-8" >

<title>JSP Page</title>

<h1>Hello World!</h1>

6.webdefault.xml:

可去下载jetty-distribution-7.6.12.v20130726.zip,里面便有这个文件

7.运行mvn jetty:run 启动工程后，访问http://localhost:7878/springmvc/helloworld.action ,可以看到Hello World!

创建一个SpringMVC项目之后，接下来来整合DWR

可参考此文章：http://blog.csdn.net/geloin/article/details/7537148

1.导入DWR包和其他必须包,pom.xml:

<modelversion> 4.0 . 0 </modelversion>

<groupid>com.kxw.web</groupid>

springmvc</artifactid>

<packaging>war</packaging>

<version> 0.0 . 1 -SNAPSHOT</version>

<name>springmvc Maven Webapp</name>

<url>http: //maven.apache.org</url>

<repositories>

<repository>

<id>central</id>

<name>Central Repository</name>

<url>https: //nexus.sourcesense.com/nexus/content/repositories/public/</url>

<layout> default </layout>

<snapshots>

<enabled> false </enabled>

</snapshots>

</repository>

</repositories>

<properties>

<project.build.sourceencoding>UTF- 8 </project.build.sourceencoding>

<org.springframework.version> 3.0 . 5 .RELEASE</org.springframework.version>

</properties>

<dependencies>

<dependency>

<groupid>junit</groupid>

junit</artifactid>

<version> 4.10 </version>

<scope>test</scope>

</dependency>

<dependency>

<groupid>org.springframework</groupid>

spring-webmvc</artifactid>

<version>${org.springframework.version}</version>

</dependency>

<dependency>

<groupid>org.directwebremoting</groupid>

dwr</artifactid>

<version> 3.0 .M1</version>

</dependency>

<dependency>

<groupid>org.aspectj</groupid>

aspectjweaver</artifactid>

<version> 1.7 . 4 </version>

</dependency>

</dependencies>

<build>

<finalname>springmvc</finalname>

<plugins>

<plugin>

<groupid>org.mortbay.jetty</groupid>

jetty-maven-plugin</artifactid>

<version> 8.1 . 14 .v20131031</version>

<configuration>

<scanintervalseconds> 200 </scanintervalseconds>

<webappconfig>

<contextpath>/springmvc_dwr</contextpath>

<defaultsdescriptor>src/main/resources/webdefault.xml</defaultsdescriptor>

</webappconfig>

<connectors>

<connector implementation= "org.eclipse.jetty.server.nio.SelectChannelConnector" >

<port> 7878 </port>

<maxidletime> 60000 </maxidletime>

</connector>

</connectors>

</configuration>

</plugin>

</plugins>

</build>

</project>

2.在web.xml中配置dwr。只需在配置DispatcherServlet下添加dwr的url-mapping即可，修改后的DispatcherServlet配置如下所示：

<web-app xmlns:web= "http://xmlns.jcp.org/xml/ns/javaee" >

<display-name>Archetype Created Web Application</display-name>

<servlet>

<servlet-name>mvcServlet</servlet-name>

<servlet- class >org.springframework.web.servlet.DispatcherServlet</servlet- class >

<init-param>

<param-name>contextConfigLocation</param-name>

<param-value>classpath*:/servlet-context.xml</param-value>

</init-param>

<load-on-startup> 1 </load-on-startup>

</servlet>

<servlet-mapping>

<servlet-name>mvcServlet</servlet-name>

<url-pattern>*.action</url-pattern>

</servlet-mapping>

<servlet-mapping>

<servlet-name>mvcServlet</servlet-name>

<url-pattern>/dwr/*</url-pattern>

</servlet-mapping>

</web-app>

3. 在servlet-context.xml中添加dwr的配置，修改后的文件如下所示：

<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:p= "http://www.springframework.org/schema/p" xmlns:context= "http://www.springframework.org/schema/context" xmlns:aop= "http://www.springframework.org/schema/aop" xmlns:dwr= "http://www.directwebremoting.org/schema/spring-dwr" 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/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.xsd

http: //www.springframework.org/schema/aop

http: //www.springframework.org/schema/aop/spring-aop-3.0.xsd

http: //www.directwebremoting.org/schema/spring-dwr

http: //directwebremoting.org/schema/spring-dwr/spring-dwr-3.0.xsd

http: //www.springframework.org/schema/tx

http: //www.springframework.org/schema/tx/spring-tx-3.0.xsd

">

<mvc:annotation-driven>

<context:component-scan base- package = "com.kxw.springmvc.controller" >

<context:component-scan base- package = "com.kxw.dwr.model" >

<bean id= "viewResolver" class = "org.springframework.web.servlet.view.UrlBasedViewResolver" >

<property name= "viewClass" value= "org.springframework.web.servlet.view.JstlView" >

<property name= "prefix" value= "/WEB-INF/jsp/" >

<property name= "suffix" value= ".jsp" >

</property></property></property></bean>

<bean class = "org.springframework.web.servlet.mvc.annotation.DefaultAnnotationHandlerMapping" >

<property name= "order" value= "1" >

</property></bean>

<bean class = "org.springframework.web.servlet.handler.BeanNameUrlHandlerMapping" >

<property name= "order" value= "2" >

</property></bean>

<bean class = "org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter" >

<bean class = "org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter" >

<bean class = "org.springframework.web.servlet.handler.SimpleUrlHandlerMapping" >

<property name= "order" value= "3" >

<property value= "true" name= "alwaysUseFullPath" ></property>

<property name= "mappings" >

<props>

<prop key= "/dwr/**" >dwrController</prop>

</props>

</property>

</property></bean>

<dwr:configuration>

<dwr:convert type= "bean" class = "com.kxw.dwr.model.User" ></dwr:convert>

<dwr:convert type= "bean" class = "com.kxw.dwr.model.Group" ></dwr:convert>

</dwr:configuration>

<dwr:controller id= "dwrController" debug= "true" >

<dwr:config-param name= "allowScriptTagRemoting" value= "true" >

<dwr:config-param name= "crossDomainSessionSecurity" value= "false" >

</dwr:config-param></dwr:config-param></dwr:controller>

<dwr:annotation-config id= "dwr" >

<dwr:annotation-scan scanremoteproxy= "true" scandatatransferobject= "true" base- package = "com.kxw.dwr.model" >

</dwr:annotation-scan></dwr:annotation-config></bean></bean></context:component-scan></context:component-scan></mvc:annotation-driven></aop:aspectj-autoproxy></beans>

4.Controller类：

package com.kxw.dwr.model;

import java.util.ArrayList;

import java.util.List;

import org.directwebremoting.annotations.RemoteMethod;

import org.directwebremoting.annotations.RemoteProxy;

import org.springframework.stereotype.Controller;

@Controller

@RemoteProxy (name= "MyDwr" )

public class MyDwr {

@RemoteMethod

public String hello(String world){

System.out.println( "hello" +world);

return "hello" +world;

}

@RemoteMethod

public User load(){

User user= new User( 10 , "Messi" , new Group( 1 , "Bacelona FC" ));

return user;

}

@RemoteMethod

public List<user> list(){

List<user> users= new ArrayList<user>();

users.add( new User( 7 , "Ronaldo" , new Group( 3 , "Real Madrid" )));

users.add( new User( 11 , "Ozil" , new Group( 8 , "Asenal" )));

users.add( new User( 20 , "Van Persie" , new Group( 2 , "Manchester United" )));

users.add( new User( 9 , "Torress" , new Group( 5 , "Chelsea" )));

return users;

}

@RemoteMethod

public void add(User user){

System.out.println(user);

}

@RemoteMethod

public void deleteUser(){

throw new MyException( "删除用户！！" );

}

@RemoteMethod

public int add( int a, int b){

return a+b;

}

</user></user></user>

package com.kxw.dwr.model;

public class User {

private int id;

private String username;

private Group group;

public User( int id, String username, Group group) {

super ();

this .id = id;

this .username = username;

this .group = group;

}

public User() {

super ();

}

public int getId() {

return id;

}

public void setId( int id) {

this .id = id;

}

public String getUsername() {

return username;

}

public void setUsername(String username) {

this .username = username;

}

public Group getGroup() {

return group;

}

public void setGroup(Group group) {

this .group = group;

}

@Override

public String toString() {

return "User [id=" + id + ", username=" + username + ", group=" + group

+ "]" ;

}

package com.kxw.dwr.model;

public class Group {

private int id;

private String name;

public Group( int id, String name) {

super ();

this .id = id;

this .name = name;

}

public Group() {

super ();

}

public int getId() {

return id;

}

public void setId( int id) {

this .id = id;

}

public String getName() {

return name;

}

public void setName(String name) {

this .name = name;

}

@Override

public String toString() {

return "Group [id=" + id + ", name=" + name + "]" ;

}

5.dwr.jsp:

<%@ page language= "java" contentType= "text/html; charset=UTF-8"

pageEncoding= "UTF-8" %>

<meta http-equiv= "Content-Type" content= "text/html; charset=UTF-8" >

<title>Insert title here</title>

<script type= "text/javascript" src= "<%=request.getContextPath()%>/dwr/engine.js" ></script>

<script type= "text/javascript" src= "<%=request.getContextPath()%>/dwr/util.js" ></script>

<script type= "text/javascript" src= "<%=request.getContextPath()%>/dwr/interface/MyDwr.js" ></script>

<script type= "text/javascript" >

MyDwr.list(listUser);

function listUser(users){

for (var i= 0 ;i<users.length;i++){ alert(users[i].username+ "," +users[i].group.name);= "" }= "" <= "" script>= "" <= "" head= "" >

</users.length;i++){>

6.运行项目run:jetty

在浏览器敲入：http://localhost:7878/springmvc_dwr/dwr.jsp

连续显示四个对话框

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