在liferay中整合GWT,附例子

本次项目环境和步骤

1. Eclipse3.3 or MyEclipse6.0,gwt-windows-1.4.61,windowbuilder,eclipse插件
　Googlipse,和WTP(要支持Eclipse3.3哦).装好以上所述的Eclipse插件.
　服务器用的是liferay-portal-tomcat-5.5-jdk5-4.4.2

2. <!----><!----> <!----> <!---->解压gwt-window-1.4.61到任何地方,路径中最好不要有中文.

3.配置Googlipse环境 , 打开-->windows -->Perferences-->Googliips,在右边
  选择你解压的gwt-window-1.4.61.的地址

4.<!----><!----> <!----> <!---->配置Designer环境, 打开-->windows -->Perferences-->Designer-->GWT,在右边
  选择你解压的gwt-window-1.4.61.的地址

新建项目

<!----><!----> <!----> <!---->  new -->Other-->web-->Dynamic Web Project,这时会让你选择一个服务器
   参考:
   http://www.eclipse.org/webtools/jst/components/ws/1.0M9/tutorials/CreateWebProject.html
   (其实可以新建一个java项目.用WindowBuilder转换成GWT项目,这时可以不用配置上面的服务器了)
  

整合需要注意的地方
   1.*.gwt.xml,如果你的应用中的client与后台(Remote service)有交互需要添加如下一行
      <inherits name="com.google.gwt.http.HTTP"/>(P:如果没有Remote Service好像没有什么意义)
   2.web.xml,注意红色字体和蓝色字体,还有TagLib这个是一定要加的     <!----><!----> <!----> <!---->

   <?xml version="1.0" encoding="UTF-8"?>

   <web-app id="WebApp_ID" version="2.4"

      xmlns="http://java.sun.com/xml/ns/j2ee"

      xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

      xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee            
      http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">

      <display-name>gwtclock</display-name>

      <listener>

       <listener-class>

           com.liferay.portal.kernel.servlet.PortletContextListener

       </listener-class>

      </listener>

      <servlet>

       <servlet-name>gwtclock</servlet-name>

       <servlet-class>

           com.liferay.portal.kernel.servlet.PortletServlet

       </servlet-class>

       <init-param>

           <param-name>portlet-class</param-name>

           <param-value>com.portlet.GWTPortlet</param-value>

       </init-param>

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

     </servlet>

     <servlet>

       <servlet-name>ShowTimeService</servlet-name>

       <servlet-class>

           gwt.module.timer.server.ShowTimeServiceImpl

       </servlet-class>

     </servlet>

     <servlet-mapping>

       <servlet-name>gwtclock</servlet-name>

       <url-pattern>/gwtclock/*</url-pattern>

     </servlet-mapping>

     <servlet-mapping>

       <servlet-name>ShowTimeService</servlet-name>

       <url-pattern>/ShowTimeService</url-pattern>

     </servlet-mapping>

     <taglib><taglib-uri>http://java.sun.com/portlet</taglib-uri>

       <taglib-location>schema/liferay-portlet.tld</taglib-location>

     </taglib><welcome-file-list><welcome-file>

       ShowTime.html</welcome-file>

     </welcome-file-list></web-app>

     3.portlet.xml  注意蓝色部分, 和红色部分,红色部分和liferay-portlet.xml,liferay-display.xml
        中红色部分是一样的,不要写错了    <!----><!----> <!----> <!---->

<?xml version="1.0" encoding="UTF-8"?>

 

<portlet-app xmlns="http://java.sun.com/xml/ns/portlet/portlet-app_1_0.xsd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="1.0" xsi:schemaLocation="http://java.sun.com/xml/ns/portlet/portlet-app_1_0.xsd http://java.sun.com/xml/ns/portlet/portlet-app_1_0.xsd">

    <portlet>

       <portlet-name>gwtclock</portlet-name>

       <display-name>gwt time</display-name>

       <portlet-class>com.portlet.GWTPortlet</portlet-class>

       <expiration-cache>0</expiration-cache>

       <supports>

           <mime-type>text/html</mime-type>

       </supports>

       <portlet-info>

           <title>gwt time</title>

           <short-title>gwt time</short-title>

           <keywords>gwt clock</keywords>

       </portlet-info>

       <security-role-ref>

           <role-name>administrator</role-name>

       </security-role-ref>

       <security-role-ref>

           <role-name>guest</role-name>

       </security-role-ref>

       <security-role-ref>

           <role-name>power-user</role-name>

       </security-role-ref>

       <security-role-ref>

           <role-name>user</role-name>

       </security-role-ref>

    </portlet>

</portlet-app>
   4.Liferay-portlet.xml 红色如上        <!----><!----><!----> <!----> <!---->

<?xml version="1.0" encoding="UTF-8"?>

<!DOCTYPE liferay-portlet-app PUBLIC "-//Liferay//DTD Portlet Application 4.3.3//EN" "http://www.liferay.com/dtd/liferay-portlet-app_4_3_3.dtd">

 

<liferay-portlet-app>

    <portlet>

       <portlet-name>gwtclock</portlet-name>

       <instanceable>true</instanceable>

    </portlet>

    <role-mapper>

       <role-name>administrator</role-name>

       <role-link>Administrator</role-link>

    </role-mapper>

    <role-mapper>

       <role-name>guest</role-name>

       <role-link>Guest</role-link>

    </role-mapper>

    <role-mapper>

       <role-name>power-user</role-name>

       <role-link>Power User</role-link>

    </role-mapper>

    <role-mapper>

       <role-name>user</role-name>

       <role-link>User</role-link>

    </role-mapper>

 

</liferay-portlet-app>
   5.Liferay-display.xml
     <!----><!----><!----> <!----> <!---->

<?xml version="1.0" encoding="UTF-8"?>

<!DOCTYPE display PUBLIC "-//Liferay//DTD Display 4.0.0//EN" "http://www.liferay.com/dtd/liferay-display_4_0_0.dtd">

 

<display>

    <category name="category.sample">

       <portlet id="gwtclock"></portlet>

    </category>

 

</display>
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