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我有以下用例Login上應該顯示一個CustomerForm，並且應該顯示從數據庫檢索到的ListofCustomers。 我寫了下面的代碼中的Struts 2，但我在CustomerActiongetCustomerList是沒有得到所謂的這是在struts.xmlStruts 2操作重定向不適用於下面的場景
1. Login行動期間重定向）的web.xml
<?xml version="1.0" encoding="UTF-8"?>
<!-- Struts 2 Entry Point is Filter -->
<web-app id="WebApp_9" 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>Struts2 Application</display-name>
<filter>
<filter-name>struts2</filter-name>
<filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>struts2</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<welcome-file-list>
<welcome-file>Login.jsp</welcome-file>
</welcome-file-list>
</web-app>
2。 struts.xml的
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
"http://struts.apache.org/dtds/struts-2.0.dtd">
<struts >
<constant name="struts.enable.DynamicMethodInvocation" value="false" />
<constant name="struts.devMode" value="false" />
<constant name="struts.custom.i18n.resources" value="ApplicationResources" />
<package name="default" extends="struts-default" namespace="/">
<interceptors>
<interceptor name="mylogging"
class="com.rahul.interceptor.MyLoggingInterceptor">
</interceptor>
<interceptor-stack name="loggingStack">
<interceptor-ref name="mylogging" />
<interceptor-ref name="defaultStack" />
</interceptor-stack>
</interceptors>
<action name="login" class="com.rahul.action.LoginAction">
<interceptor-ref name="loggingStack" />
<result type="redirect">/customer?method=getCustomersList</result>
<result name="success">Welcome.jsp</result>
<result name="error">Login.jsp</result>
</action>
<action name="customer" class="com.rahul.action.CustomerAction">
<interceptor-ref name="loggingStack" />
<result name="success">SuccessCustomer.jsp</result>
<result name="input">Customer.jsp</result>
</action>
</package>
</struts>
3）Login.j屬
<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1"%>
<%@taglib prefix="s" uri="/struts-tags"%>
<!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>Struts 2 - Login Application</title>
</head>
<body>
<h2>Struts 2 Login Application</h2>
<s:actionerror />
<s:form action="login" method="post">
<s:textfield name="username" key="label.username" size="20" />
<s:password name="password" key="label.password" size="20" />
<s:submit method="execute" key="label.login" align="center" />
</s:form>
</body>
</html>
4.）LoginAction.java
package com.rahul.action;
public class LoginAction {
private String userName;
private String password;
public String execute() {
if (this.userName.equals("admin") && this.password.equals("admin123")) {
return "success";
} else {
return "error";
}
}
public String getUsername() {
return userName;
}
public void setUsername(String username) {
this.userName = username;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
}
5.CustomerAction.java
package com.rahul.action;
import java.util.ArrayList;
import java.util.List;
import com.opensymphony.xwork2.ActionSupport;
public class CustomerAction extends ActionSupport {
private String name;
private Integer age;
private String email;
private String telephone;
private List<String> customerList;
private String countryName;
public String getCountryName() {
System.out.println("getCountryName method");
countryName="India";
return countryName;
}
public void setCountryName(String countryName) {
this.countryName = countryName;
}
public String addCustomer() {
return SUCCESS;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public Integer getAge() {
return age;
}
public void setAge(Integer age) {
this.age = age;
}
public String getEmail() {
return email;
}
public void setEmail(String email) {
this.email = email;
}
public String getTelephone() {
return telephone;
}
public void setTelephone(String telephone) {
this.telephone = telephone;
}
public List<String> getCustomerList() {
return customerList;
}
public void setCustomerList(List<String> customerList) {
this.customerList = customerList;
}
public String getCustomersList() {
System.out.println("Inside Customer List");
customerList = new ArrayList<String>();
customerList.add("Rahul");
customerList.add("Saurabh");
return SUCCESS;
}
}
6.）的welcome.jsp
<%@ page contentType="text/html; charset=UTF-8"%>
<%@ taglib prefix="s" uri="/struts-tags"%>
<html>
<head>
<title>Welcome</title>
</head>
<body>
<h2>
Howdy,
<s:property value="username" />
...!
</h2>
<%@include file="Customer.jsp"%>
</body>
</html>
7）Customer.jsp
<%@ page contentType="text/html; charset=UTF-8"%>
<%@ taglib prefix="s" uri="/struts-tags"%>
<!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>Customer Page</title>
</head>
<body>
<s:form action="customer.action" method="post" validate="true">
<s:textfield name="name" key="name" size="20" />
<s:textfield name="age" key="age" size="20" />
<s:textfield name="email" key="email" size="20" />
<s:textfield name="telephone" key="telephone" size="20" />
<s:submit method="addCustomer" key="label.add.customer" align="center" />
</s:form>
<s:property value="customerList" />
</body>
</html>
你沒有接受你以前的帖子的答案，你正在發佈另一個。你認爲花時間回答問題很容易嗎？如何在stackoverflow.com上完成此操作，如果答案解決了您的問題，請點擊灰色的勾號圖標接受它。 –
@Uchenna Nwanyanwu它沒有解決我的問題，這就是爲什麼我想提交我寫的代碼。 –
如果它沒有解決您的問題，爲什麼您將帖子的標題更改爲「Struts 2 Action redirect now working」。你應該用代碼更新你以前的問題，而不是創建一個新的問題。 –