DWR user management demo

Last Update:2014-09-07 Source: Internet

Author: User

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DWR:

Direct Web remoting is an open-source Remote Server Ajax framework used to improve the interaction between web pages and Java. It can help developers develop websites that contain Ajax technology. It allows the code in the browser to use Java functions running on the Web server, just as it is in the browser.

Demo:

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/xsd/maven-4.0.0.xsd">  <modelVersion>4.0.0</modelVersion>  <groupId>com.demo</groupId>  <artifactId>user-manage</artifactId>  <version>0.0.1-SNAPSHOT</version>  <packaging>war</packaging>  <dependencies><dependency><groupId>org.directwebremoting</groupId><artifactId>dwr</artifactId><version>3.0.M1</version></dependency><dependency><groupId>commons-logging</groupId><artifactId>commons-logging</artifactId><version>1.2</version></dependency></dependencies><build><plugins><plugin><groupId>org.mortbay.jetty</groupId><artifactId>jetty-maven-plugin</artifactId><configuration><scanIntervalSeconds>200</scanIntervalSeconds><webApp><contextPath>/user</contextPath></webApp><connectors><connector implementation="org.eclipse.jetty.server.nio.SelectChannelConnector"><port>9080</port><maxIdleTime>60000</maxIdleTime></connector></connectors></configuration> <executions>                      <execution>                          <phase>package</phase>                          <goals>                              <goal>run</goal>                          </goals>                      </execution>                  </executions>  </plugin></plugins></build></project>

Web. xml:

<?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"><display-name>DWR (Direct Web Remoting)</display-name><description>A Simple Demo DWR</description><listener><listener-class>org.directwebremoting.servlet.EfficientShutdownServletContextAttributeListener</listener-class></listener><listener><listener-class>org.directwebremoting.servlet.EfficientShutdownServletContextListener</listener-class></listener><!-- <listener> <listener-class>org.directwebremoting.servlet.DwrListener</listener-class> </listener> --><servlet><servlet-name>dwr-invoker</servlet-name><servlet-class>org.directwebremoting.servlet.DwrServlet</servlet-class><init-param><param-name>debug</param-name><param-value>true</param-value></init-param><load-on-startup>1</load-on-startup></servlet><servlet-mapping><servlet-name>dwr-invoker</servlet-name><url-pattern>/dwr/*</url-pattern></servlet-mapping></web-app>

DWR. xml

<? XML version = "1.0" encoding = "UTF-8"?> <! Doctype DWR public "-// getahead limited // DTD direct Web remoting 3.0 //" http://getahead.org/dwr/dwr30.dtd "> <DWR> <allow> <create creator =" new "> <Param name = "class" value = "com. demo. service. userservice "/> </create> <! -- Configure the converter --> <convert converter = "Bean" match = "com. Demo. model. User"/> </allow> </DWR>

Userservice:

package com.demo.service;import java.util.ArrayList;import java.util.List;import com.demo.model.User;public class UserService {public static final String SUCCESS="success";public String add(User user){System.out.println(user);return SUCCESS;}public String deleted(int userId){System.out.println("userId:"+userId);return SUCCESS;}public String update(User user){System.out.println("update:"+user);return SUCCESS;}public List<User> list(){List<User> users=new ArrayList<User>();users.add(new User(1,"aa"));users.add(new User(2,"bb"));users.add(new User(3,"cc"));return users;}}

List. jsp:

<%@ page language="java" contentType="text/html; charset=UTF-8"    pageEncoding="UTF-8"%>    <%        %><!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
 
Test:
 
 
 http://localhost:9080/user/list.jsp

DWR user management demo

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