唯美古典
          Java入門(mén),Struts,Hibernate,Spring,Groovy,Grails
          posts - 7,comments - 10,trackbacks - 0

          1、MyEclipse下建立一個(gè)web應(yīng)用

          2、導(dǎo)包

          從解壓后的 spring 文件夾中尋找 jstl.jarstandard.jarspring.jarspring-webmvc.jarspring-webmvc-portlet.jarcommons-logging.jar拷貝到 WEB-INF/lib 目錄下。

          3、編輯web.xml

          web.xml文件中添加以下代碼:

          <!-- 設(shè)定Spring的根上下文 -->

              <context-param>

                 <param-name>contextConfigLocation</param-name>

                 <param-value>/WEB-INF/applicationContext.xml</param-value>

              </context-param>

              <listener>

                 <listener-class>

                     org.springframework.web.context.ContextLoaderListener

                 </listener-class>

              </listener>

              <!-- 設(shè)定ViewRendererServlet -->

              <servlet>

                 <servlet-name>ViewRendererServlet</servlet-name>

                 <servlet-class>

                     org.springframework.web.servlet.ViewRendererServlet

                 </servlet-class>

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

              </servlet>

              <servlet-mapping>

                 <servlet-name>ViewRendererServlet</servlet-name>

                 <url-pattern>/WEB-INF/servlet/view</url-pattern>

              </servlet-mapping>

             

              <!-- 設(shè)定加載一個(gè)PortletServlet, 該配置為Pluto所需-->

              <servlet>

                 <servlet-name>SpringTestPortlet1</servlet-name>

                 <servlet-class>

                     org.apache.pluto.container.driver.PortletServlet

                 </servlet-class>

                 <init-param>

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

                     <param-value>SpringTestPortlet1</param-value>

                 </init-param>

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

              </servlet>

              <servlet-mapping>

                 <servlet-name>SpringTestPortlet1</servlet-name>

                 <url-pattern>/PlutoInvoker/SpringTestPortlet1</url-pattern>

              </servlet-mapping>

           <jsp-config>

                 <taglib>

                     <taglib-uri>http://portals.apache.org/pluto</taglib-uri>

                     <taglib-location>/WEB-INF/tld/pluto.tld</taglib-location>

                 </taglib>

              </jsp-config>

          4、編輯Portlet.xml文件

           

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

          <portlet-app

              xmlns="http://java.sun.com/xml/ns/portlet/portlet-app_2_0.xsd"

              version="2.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

              xsi:schemaLocation="http://java.sun.com/xml/ns/portlet/portlet-app_2_0.xsd

                                  http://java.sun.com/xml/ns/portlet/portlet-app_2_0.xsd">

              <portlet>

                 <portlet-name>SpringTestPortlet1</portlet-name>

                 <display-name>SpringTestPortlet1</display-name>

                 <portlet-class>

                     org.springframework.web.portlet.DispatcherPortlet

                 </portlet-class>

                 <init-param>

                     <name>contextConfigLocation</name>

                     <value>/WEB-INF/springtest-portlet1.xml</value>

                 </init-param>

                 <supports>

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

                     <portlet-mode>view</portlet-mode>

                     <portlet-mode>edit</portlet-mode>

                     <portlet-mode>help</portlet-mode>

                 </supports>

                 <portlet-info>

                     <title>SpringTestPortlet1</title>

                 </portlet-info>

              </portlet>

          </portlet-app>

          5、編寫(xiě)相應(yīng)的Java POJO類、jsp文件、Spring配置文件

          Pojo類在此不再敷述,jsp文件中的開(kāi)始標(biāo)簽部分如下:

           

          <%@ page import="javax.portlet.*" contentType="text/html; charset=utf-8" %>

          <%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>

          <%@ taglib prefix="portlet" uri="http://java.sun.com/portlet"%>

          <%@ taglib prefix="spring" uri="http://www.springframework.org/tags"%>

          <%@ taglib prefix="form" uri="http://www.springframework.org/tags/form"%>

          <portlet:actionURL var="actionURL" />

           

          WEB-INF 下新建 applicationContext.xml 文件,內(nèi)容如下

           

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

          <beans xmlns="http://www.springframework.org/schema/beans"

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

              xsi:schemaLocation="http://www.springframework.org/schema/beans

              http://www.springframework.org/schema/beans/spring-beans.xsd">

              <!-- Default View Resolver -->

              <bean id="viewResolver"

                 class="org.springframework.web.servlet.view.InternalResourceViewResolver">

                 <property name="viewClass"

                     value="org.springframework.web.servlet.view.JstlView" />

                 <property name="prefix" value="/WEB-INF/jsp/" />

                 <property name="suffix" value=".jsp" />

              </bean>

              <!-- Default ExceptionHandler -->

              <bean id="defaultExceptionHandler"

                  class="org.springframework.web.portlet.handler.SimpleMappingExceptionResolver">

                 <property name="order" value="10" />

                 <property name="defaultErrorView" value="error" />

                 <property name="exceptionMappings">

                     <props>

                        <prop key="javax.portlet.UnavailableException">

                            unavailable

                        </prop>

                        <prop key="java.lang.Exception">error</prop>

                     </props>

                 </property>

              </bean>

          </beans>

           

           

          該配置文件中,定義了兩個(gè) Bean。其中第一個(gè) Bean 定義了視圖的默認(rèn)解析方式,使用 JSP 作為視圖(View),到 /WEB-INF/jsp/ 目錄下尋找 Jsp 文件,并且視圖名稱為 jsp 文件名的前綴。

          在第二個(gè) Bean 中,定義了異常處理方式。如果發(fā)生 javax.portlet.UnavailableException 異常,則呈現(xiàn) unavailable 視圖,即 unavailable.jsp 文件;如果發(fā)生其它的 java.lang.Exception 異常,則呈現(xiàn) error 視圖,即 error.jsp 文件。

          WEB-INF 下新建 PortletSpringTestPortlet1 Spring 上下文配置文件 springtest-portlet1.xml 如下:

           

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

          <beans xmlns="http://www.springframework.org/schema/beans"

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

              xsi:schemaLocation="http://www.springframework.org/schema/beans

              http://www.springframework.org/schema/beans/spring-beans.xsd">

              <bean

                  class="org.springframework.web.portlet.handler.PortletModeHandlerMapping">

                 <property name="portletModeMap">

                     <map>

                        <entry key="view" value-ref="viewController" />

                     </map>

                 </property>

              </bean>

              <bean id="viewController"

                 class="org.springframework.web.portlet.mvc.SimpleFormController">

                 <property name="commandClass"

                     value="springportal.command.AddressBook" />

                 <property name="commandName" value="addressBook" />

                 <property name="formView" value="addressInput" />

                 <property name="successView" value="result" />

              </bean>

          </beans>

           

           

          該上下文根據(jù) Portlet 模式分配控制器,由 Bean 定義可知,僅僅定義了 view 模式的控制器,edit help 模式都沒(méi)有進(jìn)行定義。

          View 模式的控制器 viewController 中,定義了 commandClass commandName 來(lái)保存用戶輸入的表單數(shù)據(jù),addressInput 視圖(addressInput.jsp)為輸入表單,result 視圖(result.jsp)呈現(xiàn)表單提交結(jié)果。

           

          6、遇到的問(wèn)題

          java.lang.ClassCastException:org.springframework.web.servlet.support.JstlUtils$SpringLocalizationContext

          I had the same issue with Pluto current bundle distribution 1.1.6. The ClassCastException is actually from Pluto's default theme jsp. It's trying to cast a org/springframework/web/servlet/support/JstlUtils$SpringLocalizationContext into a java/lang/String . This is due to that the JSTL implementation doesn't recognize SpringLocalizationContext as a LocalizationContext instance though SpringLocalizationContext surely implements the interface. The root cause is that two classes are loaded from different classloader thus the instanceof check failed.

          Solution: move the jstl-1.0.6.jar and standard-1.0.6.jar under pluto-1.1.6"webapps"pluto"WEB-INF"lib into pluto-1.1.6"shared"lib 

          Note: do not include these 2 jar files in your portlet application (war file).

          ——引自http://forum.springsource.org/showthread.php?t=57816

          解決方法:將pluto-2.0"webapps"pluto"WEB-INF"lib下的jstl.jarstandard.jar移動(dòng)到pluto-2.0"lib目錄下


          源碼下載地址:點(diǎn)擊下載



          唯美古典的工作室
          posted on 2010-01-14 15:37 唯美古典 閱讀(4165) 評(píng)論(0)  編輯  收藏 所屬分類: SSH整合

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