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我目前正在学习jsf。我编写了一个简单的 jsf 应用程序，我的目标是从一个页面导航到另一个页面。但是，我根本无法导航。

在我的代码中有两个 jsp 文件；一个是createcustomer.jsp，另一个是viewCustomerDetails。用户输入数据createcustomer.jsp并单击按钮后，它应该移动到下一页（它将在此页面的上一页中显示输入的数据）。

下面是我的代码。谁能找到我哪里出错了？<

创建客户.jsp

    <%@ page language="java" contentType="text/html; charset=ISO-8859-1" pageEncoding="ISO-8859-1"%>
<%@ taglib prefix="f"  uri="http://java.sun.com/jsf/core"%>
<%@ taglib prefix="h"  uri="http://java.sun.com/jsf/html"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
<table>
<tr>
<td>
<h1 style="background-color:blue;color:white;">Create a new Customer</h1>
</td>
</tr>
</table>
<f:view>
<table>
<tr><td>Name:</td><td><h:inputText value="#{customer.name}"></h:inputText></td></tr>
<tr><td>Address:</td><td><h:inputText value="#{customer.address}"></h:inputText></td></tr>
<tr><td>Phone Number:</td><td><h:inputText value="#{customer.phNumber}"></h:inputText></td></tr>
<tr><td>Email Address:</td><td><h:inputText value="#{customer.email_id}"></h:inputText></td></tr>

</table>
<table>
<tr><td></td></tr>
<tr><td></td></tr>
<tr><td><h:commandButton value="Create Customer" action="viewCustomerDetails" /></td></tr>
</table>
</f:view>
</body>
</html>


人脸配置.xml 

<faces-config
    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-facesconfig_2_0.xsd"
    version="2.0">

   <managed-bean>
   <managed-bean-name>customer</managed-bean-name>
   <managed-bean-class>com.app.view.Customer</managed-bean-class>
   <managed-bean-scope>request</managed-bean-scope>
</managed-bean>

   <navigation-rule>
   <from-view-id>/createcustomer.jsp</from-view-id>
   <navigation-case>
    <!--  <from-action>#{customer.validate}</from-action>  --> 
   <from-outcome>viewCustomerDetails</from-outcome>
   <to-view-id>/viewCustomerDetails.jsp</to-view-id>
   </navigation-case>

</navigation-rule>

</faces-config>


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_3_0.xsd" version="3.0">
  <display-name>Customer</display-name>
  <servlet>
    <servlet-name>Faces Servlet</servlet-name>
    <servlet-class>javax.faces.webapp.FacesServlet</servlet-class>
    <load-on-startup>1</load-on-startup>
  </servlet>
  <servlet-mapping>
    <servlet-name>Faces Servlet</servlet-name>
    <url-pattern>/faces/*</url-pattern>
  </servlet-mapping>
  <context-param>
    <param-name>javax.servlet.jsp.jstl.fmt.localizationContext</param-name>
    <param-value>resources.application</param-value>
  </context-param>
  <context-param>
    <description>State saving method: 'client' or 'server' (=default). See JSF Specification 2.5.2</description>
    <param-name>javax.faces.STATE_SAVING_METHOD</param-name>
    <param-value>client</param-value>
  </context-param>
  <context-param>
    <description>
    This parameter tells MyFaces if javascript code should be allowed in
    the rendered HTML output.
    If javascript is allowed, command_link anchors will have javascript code
    that submits the corresponding form.
    If javascript is not allowed, the state saving info and nested parameters
    will be added as url parameters.
    Default is 'true'</description>
    <param-name>org.apache.myfaces.ALLOW_JAVASCRIPT</param-name>
    <param-value>true</param-value>
  </context-param>
  <context-param>
    <description>
    If true, rendered HTML code will be formatted, so that it is 'human-readable'
    i.e. additional line separators and whitespace will be written, that do not
    influence the HTML code.
    Default is 'true'</description>
    <param-name>org.apache.myfaces.PRETTY_HTML</param-name>
    <param-value>true</param-value>
  </context-param>
  <context-param>
    <param-name>org.apache.myfaces.DETECT_JAVASCRIPT</param-name>
    <param-value>false</param-value>
  </context-param>
  <context-param>
    <description>
    If true, a javascript function will be rendered that is able to restore the
    former vertical scroll on every request. Convenient feature if you have pages
    with long lists and you do not want the browser page to always jump to the top
    if you trigger a link or button action that stays on the same page.
    Default is 'false'
</description>
    <param-name>org.apache.myfaces.AUTO_SCROLL</param-name>
    <param-value>true</param-value>
  </context-param>
  <listener>
    <listener-class>org.apache.myfaces.webapp.StartupServletContextListener</listener-class>
  </listener>
</web-app>
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1 回答 1

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显然，根据您的代码片段，您没有<h:form>定义标签。诸如<h:commandButton>需要在其中定义的组件才能正常运行。把你<f:view>里面的内容包起来，<h:form>然后再试一次。

于 2013-04-19T19:21:01.510 回答