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需要portal-kernel.jar和portlet.jar兩個包,放入lib下。
package com.rain.portal;

import Java.io.IOException;

import javax.portlet.GenericPortlet;
import javax.portlet.PortletException;
import javax.portlet.RenderRequest;
import javax.portlet.RenderResponse;

public class HelloWorldPortlet extends GenericPortlet {

@Override
protected void doEdit(RenderRequest arg0, RenderResponse arg1) throws PortletException, IOException {
  // TODO Auto-generated method stub
  arg1.setContentType("text/html");
  arg1.getWriter().println("Hello World,This is a Portlet!---doEdit");
}

@Override
protected void doView(RenderRequest arg0, RenderResponse arg1) throws PortletException, IOException {
  // TODO Auto-generated method stub
  arg1.setContentType("text/html");
  arg1.getWriter().println("Hello World,This is a Portlet!---doView");
}

}

package com.rain.portal;

import Java.io.IOException;

import javax.portlet.GenericPortlet;
import javax.portlet.PortletException;
import javax.portlet.PortletRequestDispatcher;
import javax.portlet.RenderRequest;
import javax.portlet.RenderResponse;

public class HelloJSPPortlet extends GenericPortlet {

@Override
protected void doEdit(RenderRequest arg0, RenderResponse arg1) throws PortletException, IOException {
  // TODO Auto-generated method stub
  arg1.setContentType("text/html");
  String jspName=getPortletConfig().getInitParameter("edit-jsp");
  PortletRequestDispatcher rd=getPortletContext().getRequestDispatcher(jspName);
  rd.include(arg0, arg1);
}

@Override
protected void doView(RenderRequest arg0, RenderResponse arg1) throws PortletException, IOException {
  // TODO Auto-generated method stub
  arg1.setContentType("text/html");
  String jspName=getPortletConfig().getInitParameter("view-jsp");
  PortletRequestDispatcher rd=getPortletContext().getRequestDispatcher(jspName);
  rd.include(arg0, arg1);
}

}

web.xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE web-app PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN" "<web-app>
<display-name>TestPortal</display-name>
<listener>
    <listener-class>com.liferay.portal.kernel.servlet.PortletContextListener</listener-class>
</listener>
<servlet>
    <servlet-name>HelloWorldPortlet</servlet-name>
    <servlet-class>com.liferay.portal.kernel.servlet.PortletServlet</servlet-class>
    <init-param>
      <param-name>portlet-class</param-name>
      <param-value>com.rain.portal.HelloWorldPortlet</param-value>
    </init-param>
    <load-on-startup>0</load-on-startup>
</servlet>
   <servlet>
    <servlet-name>HelloJSPPortlet</servlet-name>
    <servlet-class>com.liferay.portal.kernel.servlet.PortletServlet</servlet-class>
    <init-param>
      <param-name>portlet-class</param-name>
      <param-value>com.rain.portal.HelloJSPPortlet</param-value>
    </init-param>
    <load-on-startup>0</load-on-startup>
</servlet>
<servlet-mapping>
    <servlet-name>HelloWorldPortlet</servlet-name>
    <url-pattern>/HelloWorldPortlet/*</url-pattern>
</servlet-mapping>
<servlet-mapping>
    <servlet-name>HelloJSPPortlet</servlet-name>
    <url-pattern>/HelloJSPPortlet/*</url-pattern>
</servlet-mapping>
<taglib>
    <taglib-uri>PortletTag</taglib-uri>
    <taglib-location>/WEB-INF/tld/liferay-portlet.tld</taglib-location>
</taglib>
</web-app>

portlet.xml用來定義Portlet的諸如部署名稱、初始化參數、支持模式、resource bundle等普通的初始化信息，包括：portlet-name、display-name、portlet-class、init-param、expiration-cathe、supports、portlet-info、security-role-ref等等。其正式的規范請參考：http://java.sun.com/xml/ns/Portlet/Portlet-app_1_0.xsd

定義Portlet默認可用的用戶組、默認模板、是否支持多個實例等，規范由 http://www.liferay.com/dtd/liferay-Portlet-app_3_5_0.dtd

liferay-portlet.xml
<?xml version="1.0"?>
<!DOCTYPE liferay-portlet-app PUBLIC "-//Liferay//DTD Portlet Application 4.2.0//EN" "<liferay-portlet-app>
<portlet>
    <portlet-name>HelloWorldPortlet</portlet-name>
    <struts-path>HelloWorldPortlet</struts-path>
    <use-default-template>true</use-default-template>
    <instanceable>true</instanceable>
</portlet>
<portlet>
    <portlet-name>HelloJSPPortlet</portlet-name>
    <struts-path>HelloJSPPortlet</struts-path>
    <use-default-template>true</use-default-template>
    <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>

定義Portlet默認的所屬類別。Liferay Portal對Portlet實行按類別管理和劃分用戶權限。

liferay-display.xml
<?xml version="1.0"?>
<!DOCTYPE display PUBLIC "-//Liferay//DTD Display 4.0.0//EN" "<display>
<category name="category.test">
<portlet id="HelloWorldPortlet"/>
<portlet id="HelloJSPPortlet"/>
</category>
</display>

view.jsp
<table cellpadding="8" cellspacing="0" width="100%">
<tr>
    <td>
      <font class="Portlet-font" style="font-size:x-small;">
        This is a <b>Sample JSP Portlet</b> used in viewing model. Use this as a quick way to include JSPs.
      </font>
    </td>
</tr>
</table>

edit.jsp
<table cellpadding="8" cellspacing="0" width="100%">
<tr>
    <td>
      <font class="Portlet-font" style="font-size:x-small;">
        This is a <b>Sample JSP Portlet</b> used in editing model. Use this as a quick way to include JSPs.
      </font>
    </td>
</tr>
</table>

posted on 2007-01-25 14:16 周銳閱讀(1799) 評論(2) 編輯收藏所屬分類: Portal

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