Spring+DWR 全注解版

1.Spring+DWR 全注解版 搭建 Spring3.1.1 DWR3

 1)普通调用

 2)异步文件上传

 3)反向 Ajax的全推及半推

 

2.部分配置

1)web.xml

Java代码  

1. <?xml version="1.0" encoding="UTF-8"?>  
2. <web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"  
3.     xsi:schemaLocation="http://java.sun.com/xml/ns/javaee   
4.     http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">  
5.     <context-param>  
6.         <param-name>contextConfigLocation</param-name>  
7.         <param-value>classpath:applicationContext-*.xml</param-value>  
8.     </context-param>  
9.     <listener>  
10.         <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>  
11.     </listener>  
12.     <servlet>  
13.         <servlet-name>dwr-invoker</servlet-name>  
14.         <servlet-class>org.directwebremoting.spring.DwrSpringServlet</servlet-class>  
15.         <init-param>  
16.             <param-name>debug</param-name>  
17.             <param-value>false</param-value>  
18.         </init-param>  
19.         <init-param>  
20.             <param-name>crossDomainSessionSecurity</param-name>  
21.             <param-value>false</param-value>  
22.         </init-param>  
23.         <init-param>  
24.             <param-name>allowScriptTagRemoting</param-name>  
25.             <param-value>true</param-value>  
26.         </init-param>  
27.         <init-param>  
28.             <param-name>activeReverseAjaxEnabled</param-name>  
29.             <param-value>true</param-value>  
30.         </init-param>  
31.     </servlet>  
32.     <servlet-mapping>  
33.         <servlet-name>dwr-invoker</servlet-name>  
34.         <url-pattern>/dwr/*</url-pattern>  
35.     </servlet-mapping>  
36.     <welcome-file-list>  
37.         <welcome-file>index.jsp</welcome-file>  
38.     </welcome-file-list>  
39. </web-app>  

 2)applicationContext-dwr.xml

Java代码  

1. <?xml version="1.0" encoding="UTF-8"?>  
2. <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"  
3.     xmlns:context="http://www.springframework.org/schema/context"   
4.     xmlns:dwr="http://www.directwebremoting.org/schema/spring-dwr"  
5.     xmlns:dwra="http://www.directwebremoting.org/schema/spring-dwr-annotations"  
6.     xsi:schemaLocation="http://www.springframework.org/schema/beans   
7.     http://www.springframework.org/schema/beans/spring-beans-3.1.xsd  
8.     http://www.springframework.org/schema/context   
9.     http://www.springframework.org/schema/context/spring-context-3.0.xsd        
10.     http://www.directwebremoting.org/schema/spring-dwr  
11.     http://www.directwebremoting.org/schema/spring-dwr-3.0.xsd  
12.     http://www.directwebremoting.org/schema/spring-dwr-annotations      
13.     http://www.directwebremoting.org/schema/spring-dwr-annotations.xsd">  
14.     <!--     -->  
15.     <context:annotation-config/>  
16.     <context:component-scan base-package="com.j4t.demo" />  
17.     <dwr:configuration>  
18.         <!--   
19.         <dwr:convert type="bean" class="com.demo.dwr3.spring3.bean.User" />  
20.         <dwr:convert type="bean" class="java.lang.StackTraceElement" />  
21.         <dwr:convert type="exception" class="java.lang.NullPointerException" />  
22.         <dwr:signatures>    
23.             <![CDATA[   
24.                 import java.util.Map;   
25.                 import java.util.List;   
26.                 ]]>    
27.         </dwr:signatures>    
28.          -->  
29.     </dwr:configuration>  
30.     <dwr:annotation-scan base-package="com.j4t.demo" scanDataTransferObject="true" scanRemoteProxy="true" />  
31.     <dwr:annotation-scan base-package="com.j4t.chat" scanDataTransferObject="true" scanRemoteProxy="true" />  
32.     <dwr:annotation-scan base-package="com.j4t.file" scanDataTransferObject="true" scanRemoteProxy="true" />  
33. </beans>  

 

Java代码  

1. package com.j4t.demo.model;  
2.   
3. import org.apache.commons.lang.builder.ToStringBuilder;  
4. import org.apache.commons.lang.builder.ToStringStyle;  
5. import org.directwebremoting.annotations.DataTransferObject;  
6. import org.directwebremoting.annotations.RemoteProperty;  
7.   
8. @DataTransferObject  
9. public class User {  
10.     @RemoteProperty  
11.     private String username;  
12.   
13.     @RemoteProperty  
14.     private String userpswd;  
15.   
16.     public String getUsername() {  
17.         return username;  
18.     }  
19.   
20.     public void setUsername(String username) {  
21.         this.username = username;  
22.     }  
23.   
24.     public String getUserpswd() {  
25.         return userpswd;  
26.     }  
27.   
28.     public void setUserpswd(String userpswd) {  
29.         this.userpswd = userpswd;  
30.     }  
31.   
32.     @Override  
33.     public String toString() {  
34.         /** 需要commons-langs-2.x.jar **/  
35.         return ToStringBuilder.reflectionToString(this, ToStringStyle.SHORT_PREFIX_STYLE);  
36.     }  
37.   
38. }  

 

Java代码  

1. package com.j4t.demo.service;  
2.   
3. import java.util.List;  
4.   
5. import javax.servlet.http.HttpServletRequest;  
6.   
7. import org.directwebremoting.annotations.RemoteMethod;  
8. import org.directwebremoting.annotations.RemoteProxy;  
9. import org.directwebremoting.spring.SpringCreator;  
10. import org.springframework.beans.factory.annotation.Autowired;  
11.   
12. import com.j4t.demo.dao.UserDao;  
13. import com.j4t.demo.model.User;  
14.   
15. @RemoteProxy(creator = SpringCreator.class, name = "userService")  
16. public class UserService {  
17.   
18.     @Autowired  
19.     UserDao userDao;  
20.   
21.     @RemoteMethod  
22.     public void saveUser(User user)throws Exception {  
23.         userDao.save(user);  
24.     }  
25.       
26.     @RemoteMethod  
27.     public void saveUsers(List<User> ulist) {  
28.         for(User user:ulist){  
29.             userDao.save(user);  
30.         }  
31.     }  
32.     @RemoteMethod  
33.     public String sayHello(String msg,HttpServletRequest request)throws Exception {  
34.         return msg+" "+request.getSession().getId();  
35.     }  
36.       
37. }