struts2的一个问题
我用struct2.0做了一个简单的登录例子,但是在进行页面提交的时候却出现了一个错误:无法找到命名空间:
There is no Action mapped for namespace / and action name login. - [unknown location]
com.opensymphony.xwork2.DefaultActionProxy.prepare(DefaultActionProxy.java:186)
org.apache.struts2.impl.StrutsActionProxyFactory.createActionProxy(StrutsActionProxyFactory.java:41)
org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:497)
org.apache.struts2.dispatcher.FilterDispatcher.doFilter(FilterDispatcher.java:421)
以下是我的配置:
struts2.xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE struts PUBLIC
"-//Apache Software Fountaction//DTD Struts Configuration 2.0//EN"
"http://struts.apache.org/dtds/struts-2.0.dtd">
<struts>
<package name="com" namespace="/" extends="struts-default">
<action name="login" class="com.LoginAction">
<result name="success">/success.jsp</result>
<result name="error">/error.jsp</result>
</action>
</package>
</struts>
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_2_5.xsd" id="WebApp_ID" version="2.5">
<display-name>struts</display-name>
<welcome-file-list>
<welcome-file>index.html</welcome-file>
<welcome-file>index.htm</welcome-file>
<welcome-file>index.jsp</welcome-file>
<welcome-file>default.html</welcome-file>
<welcome-file>default.htm</welcome-file>
<welcome-file>default.jsp</welcome-file>
</welcome-file-list>
<filter>
<filter-name>Struts2</filter-name>
<filter-class>org.apache.struts2.dispatcher.FilterDispatcher</filter-class>
</filter>
<filter-mapping>
<filter-name>Struts2</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
</web-app>
index.jsp
<%@ page language="java" contentType="text/html; charset=GBK"
pageEncoding="GBK"%>
<%@ 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>Insert title here</title>
</head>
<body>
<s:form action="login.action" method="post">
<s:textfield name="user.name" label="用户名"/>
<s:password name="user.password" label="密码"/>
<s:submit value="登录"/>
</s:form>
</body>
</html>
succes.jsp
<%@ page language="java" contentType="text/html; charset=GBK"
pageEncoding="GBK"%>
<%@ 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>Insert title here</title>
</head>
<body>
<s:form action="login.action" method="post">
<s:textfield name="user.name" label="用户名"/>
<s:password name="user.password" label="密码"/>
<s:submit value="登录"/>
</s:form>
</body>
</html>
src下有个名为com的包,2个类,一个LoginAction,一个userBean
LoginAction
package com;
import com.opensymphony.xwork2.ActionSupport;
public class LoginAction extends ActionSupport
{
/**
* serialVersionUID:long
*/
private static final long serialVersionUID = 1L;
private String msg;
private UserBean user;
@Override
public String execute() throws Exception {
if(user.getName().equals("admin")&& user.getPassword().equals("123")){
msg = "欢迎光临:"+user.getName();
return SUCCESS;
}else{
msg="Invidate name or password";
return ERROR;
}
}
public String getMsg() {
return msg;
}
public void setMsg(String msg) {
this.msg = msg;
}
public UserBean getUser() {
return user;
}
public void setUser(UserBean user) {
this.user = user;
}
}
userBean
package com;
public class UserBean
{
private String name;
private String password;
public String getName()
{
return name;
}
public void setName(String name)
{
this.name = name;
}
public String getPassword()
{
return password;
}
public void setPassword(String password)
{
this.password = password;
}
}
请高手指教