本文主要是介绍DWR+SpringMVC整合的3种方式之三,希望对大家解决编程问题提供一定的参考价值,需要的开发者们随着小编来一起学习吧!
方式三:这种方式和方式二差不多,主要使用annotation配置和注解
说明:这种的耦合度也是和方式二差不多,本人最推荐用方式一,写的清楚,配置也清楚。这种方式的时候也遇到了一个很无语的问题,我原来使用的是maven下载的dwr-3.0.M1.jar包,然后运行jetty没错,显示jsp的时候就一直报下面这个错误:
org.springframework.beans.factory.parsing.BeanDefinitionParsingException: Configuration problem: Cannot locate BeanDefinitionParser for element [annotation-scan]|Offending resource: ServletContext resource [/WEB-INF/dispatcher-servlet.xml]
然后自己也搞了很久,最后百度,网友说是dwr的包问题,mavne库中下载的jar包有问题,从网上下载了一个jar'包,自己上传到nexus的私有库中,然后再修改了pom.xml中的dwr,当使用了自己下载的jar包后,运行jetty,一切正常。
如何使用自己的jar包,
一、可以使用maven的命令安装jar包到maven的库中,一定到该jar包的文件夹下执行如下命令,否则会提示没有pom文件。如:
mvn install:install-file -DgroupId=com.oracle -DartifactId=ojdbc14 -Dversion=10.2.0.4.0 -Dpackaging=jar -Dfile=F:/JAR Pack/ojdbc14.jar
二、到nexus的管理后台,直接使用nexus的添加jar包到私有库的功能。
选中一个宿主库(hosted),然后点击Artifact Upload一栏,在Artifact Upload下填写jar的groupId、artifactId、version,然后从电脑上选择要上传的jar包,然后点击Add Artifact按钮,在点击Upload Artifact(s)按钮即可。
项目目录结构:
一、pom.xml
二、web.xml[html] view plaincopy
- <?xml version="1.0" encoding="UTF-8"?>
- <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.lessony</groupId>
- <artifactId>dwr-spring03</artifactId>
- <version>1.0-SNAPSHOT</version>
- <packaging>war</packaging>
- <name>dwr-spring03</name>
- <properties>
- <endorsed.dir>${project.build.directory}/endorsed</endorsed.dir>
- <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
- <spring.version>3.2.2.RELEASE</spring.version>
- </properties>
- <dependencies>
- <dependency>
- <groupId>junit</groupId>
- <artifactId>junit</artifactId>
- <version>4.10</version>
- <scope>test</scope>
- </dependency>
- <!--spring的依赖-->
- <dependency>
- <groupId>org.springframework</groupId>
- <artifactId>spring-context</artifactId>
- <version>${spring.version}</version>
- </dependency>
- <dependency>
- <groupId>org.springframework</groupId>
- <artifactId>spring-core</artifactId>
- <version>${spring.version}</version>
- </dependency>
- <dependency>
- <groupId>org.springframework</groupId>
- <artifactId>spring-beans</artifactId>
- <version>${spring.version}</version>
- </dependency>
- <dependency>
- <groupId>org.springframework</groupId>
- <artifactId>spring-webmvc</artifactId>
- <version>${spring.version}</version>
- </dependency>
- <!--dwr的依赖,原来maven下载的dwr的jar包有问题,这里使用自己上传在nexus中的jar包-->
- <dependency>
- <groupId>org.directwebremoting</groupId>
- <artifactId>dwr</artifactId>
- <version>3.0.M1</version>
- </dependency>
- </dependencies>
- <build>
- <plugins>
- <plugin>
- <groupId>org.apache.maven.plugins</groupId>
- <artifactId>maven-compiler-plugin</artifactId>
- <version>3.1</version>
- <configuration>
- <source>1.7</source>
- <target>1.7</target>
- <compilerArguments>
- <!-- endorseddirs<目录>覆盖签名的标准路径的位置 -->
- <endorseddirs>${endorsed.dir}</endorseddirs>
- </compilerArguments>
- </configuration>
- </plugin>
- <plugin>
- <groupId>org.apache.maven.plugins</groupId>
- <artifactId>maven-war-plugin</artifactId>
- <version>2.3</version>
- <configuration>
- <failOnMissingWebXml>false</failOnMissingWebXml>
- </configuration>
- </plugin>
- <plugin>
- <groupId>org.apache.maven.plugins</groupId>
- <artifactId>maven-dependency-plugin</artifactId>
- <version>2.6</version>
- <executions>
- <execution>
- <phase>validate</phase>
- <goals>
- <goal>copy</goal>
- </goals>
- <configuration>
- <outputDirectory>${endorsed.dir}</outputDirectory>
- <silent>true</silent>
- <artifactItems>
- <artifactItem>
- <groupId>javax</groupId>
- <artifactId>javaee-endorsed-api</artifactId>
- <version>7.0</version>
- <type>jar</type>
- </artifactItem>
- </artifactItems>
- </configuration>
- </execution>
- </executions>
- </plugin>
- <!--jetty服务器-->
- <plugin>
- <groupId>org.mortbay.jetty</groupId>
- <artifactId>jetty-maven-plugin</artifactId>
- <version>8.1.16.v20140903</version>
- <configuration>
- <scanIntervalSeconds>10</scanIntervalSeconds>
- <webApp>
- <contextPath>/dwr-spring03</contextPath>
- </webApp>
- <connectors>
- <connector implementation="org.eclipse.jetty.server.nio.SelectChannelConnector">
- <port>8805</port>
- <maxIdleTime>60000</maxIdleTime>
- </connector>
- </connectors>
- </configuration>
- </plugin>
- <!--打包插件,把web打成zip包-->
- <plugin>
- <groupId>org.apache.maven.plugins</groupId>
- <artifactId>maven-assembly-plugin</artifactId>
- <version>2.4</version>
- <configuration>
- <descriptors>
- <descriptor>assembly.xml</descriptor>
- </descriptors>
- </configuration>
- <executions>
- <!-- 当执行mvn package时才会打包 -->
- <execution>
- <id>make-assembly</id>
- <phase>package</phase>
- <goals>
- <goal>single</goal>
- </goals>
- </execution>
- </executions>
- </plugin>
- </plugins>
- </build>
- </project>
3、java类[html] view plaincopy
- <?xml version="1.0" encoding="UTF-8"?>
- <web-app version="3.0" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd">
- <!-- 创建Spring的监听器 -->
- <listener>
- <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
- </listener>
- <!-- Spring 的监听器可以通过这个上下文参数来获取beans.xml的位置 -->
- <init-param>
- <param-name>contextConfigLocation</param-name>
- <param-value>classpath*:beans.xml</param-value>
- </init-param>
- <servlet>
- <servlet-name>dispatcher</servlet-name>
- <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
- <context-param>
- <param-name>contextConfigLocation</param-name>
- <param-value>/WEB-INF/dispatcher-servlet.xml</param-value>
- </context-param>
- </servlet>
- <servlet-mapping>
- <servlet-name>dispatcher</servlet-name>
- <url-pattern>/</url-pattern>
- </servlet-mapping>
- <filter>
- <filter-name>characterFilter</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>
- </filter>
- <filter-mapping>
- <filter-name>characterFilter</filter-name>
- <url-pattern>/*</url-pattern>
- </filter-mapping>
- <servlet-mapping>
- <servlet-name>dispatcher</servlet-name>
- <url-pattern>/dwr/*</url-pattern>
- </servlet-mapping>
- </web-app>
[java] view plaincopy
- package com.lessony.dwr.spring03.entity;
- public class User {
- private int id;
- private String name;
- 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;
- }
- public User() {
- }
- public User(int id, String name) {
- super();
- this.id = id;
- this.name = name;
- }
- }
[java] view plaincopy
- package com.lessony.dwr.spring03.service;
- import com.lessony.dwr.spring03.entity.User;
- public interface IHelloService {
- public String sayHello(String name);
- public User load();
- }
4、配置dwr[java] view plaincopy
- package com.lessony.dwr.spring03.service.impl;
- import com.lessony.dwr.spring03.entity.User;
- import com.lessony.dwr.spring03.service.IHelloService;
- import org.directwebremoting.annotations.RemoteMethod;
- import org.directwebremoting.annotations.RemoteProxy;
- @RemoteProxy(name="helloService")
- public class HelloService implements IHelloService {
- @Override
- @RemoteMethod
- public String sayHello(String name) {
- System.out.println("hello " + name);
- return "hello: "+name;
- }
- @Override
- @RemoteMethod
- public User load() {
- System.out.println("load abc");
- return new User(1,"abc");
- }
- }
[html] view plaincopy
- <?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:context="http://www.springframework.org/schema/context"
- xmlns:mvc="http://www.springframework.org/schema/mvc"
- xmlns:dwr="http://www.directwebremoting.org/schema/spring-dwr"
- xsi:schemaLocation="http://www.springframework.org/schema/beans
- http://www.springframework.org/schema/beans/spring-beans.xsd
- http://www.springframework.org/schema/context
- http://www.springframework.org/schema/context/spring-context-3.2.xsd
- http://www.springframework.org/schema/mvc
- http://www.springframework.org/schema/mvc/spring-mvc-3.2.xsd
- http://www.directwebremoting.org/schema/spring-dwr
- http://www.directwebremoting.org/schema/spring-dwr-3.0.xsd">
- <mvc:annotation-driven/>
- <mvc:resources location="/resources/" mapping="/resources/**"/>
- <!--dwr过滤-->
- <bean class="org.springframework.web.servlet.handler.SimpleUrlHandlerMapping">
- <property value="true" name="alwaysUseFullPath"></property>
- <property name="mappings">
- <props>
- <prop key="/dwr/**/*">dwrController</prop>
- </props>
- </property>
- </bean>
- <!--dwr控制器-->
- <dwr:controller id="dwrController" debug="true"/>
- <!--设置需要dwr转化的实体类,格式为json传输到jsp页面-->
- <dwr:configuration>
- <dwr:convert type="bean" class="com.lessony.dwr.spring03.entity.User"/>
- </dwr:configuration>
- <dwr:annotation-config id="dwrAnnotationConfig" />
- <dwr:annotation-scan base-package="com.lessony.dwr.spring03.service.impl" scanDataTransferObject="true"/>
- <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
- <property name="prefix" value="/WEB-INF/jsp/"/>
- <property name="suffix" value=".jsp"/>
- </bean>
- </beans>
5jsp文件
全部编辑完成之后,右键项目,选择Run As... 继续选择7 Maven build... ,在弹出框的Goals中输入jetty:run ,然后点击RUN运行。[html] view plaincopy
- <%@page contentType="text/html" pageEncoding="UTF-8"%>
- <!DOCTYPE html>
- <html>
- <head>
- <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
- <title>JSP Page</title>
- <script src="<%=request.getContextPath()%>/dwr/engine.js"></script>
- <script src="<%=request.getContextPath()%>/dwr/interface/helloService.js"></script>
- <script>
- helloService.load(function(data){
- alert(data.name);
- });
- </script>
- </head>
- <body>
- <h1>Hello World!</h1>
- </body>
- </html>
打开浏览器,输入http://localhost:8805/dwr-spring03/dwr03.jsp,就可以看到控制台输出了:load abc,jsp页面弹出了abc
最后附上zip包,链接:http://download.csdn.net/detail/lxn39830435731415926/8714183
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