如果我將User封裝到一個類里，我去調(diào)用User這個類。為什么即使輸入正確的值也判斷錯誤。action接收參數(shù)不是說可以這樣的嗎？我再jsp也做了改動的。

<struts>	<
package?name="default"?extends="struts-default"?namespace="/">	
	<!--?注冊攔截器?-->	
	<interceptors>		
	<interceptor?name="MyInterceptor"?class="cotruts.Interceptor.LonginInterceptor">
	</interceptor>			
	<!--?注冊攔截器棧?-->			
	<interceptor-stack?name="Mystack">		
????????<!--?默認(rèn)攔截器?-->		
????????<interceptor-ref?name="defaultStack"></interceptor-ref>
????????<!--?自定義攔截器?-->				
????????<interceptor-ref?name="MyInterceptor"></interceptor-ref>			
????????</interceptor-stack>		
????????</interceptors>		
????????<action?name="auth">			
????????<result>/WEB-INF/page/man.jsp</result>			
????????<result?name="longin">/longin.jsp</result>		
????????<!--?引用攔截器棧?-->	
????????<interceptor-ref?name="Mystack"></interceptor-ref>
????????</action>		
????????<action?name="LonginAction"?class="com.struts.Action.LonginAction"	method="longin">
????????result?name="success">/WEB-INF/page/man.jsp</result>	
????????<result?name="error">/longin.jsp</result>	
????????</action>	
???</package>
</struts>

public?class?LonginAction?extends?ActionSupport??implements?SessionAware?{????
??????private?User?user;????????
??????private?Map<String,Object>?session;??????????
??????public?void?setSession(Map<String,?Object>?session)?{		
??????	this.session?=?session;		
??????	}		
??????	/***?@return?the?user*/		
??????	public?User?getUser()?{		
??????	return?user;
??????	}		
??????	/***?@param?user?the?user?to?set*/
??????	public?void?setUser(User?user)?{	
??????	this.user?=?user;		
??????	}		
??????	public?String?longin(){		
??????	?if("admin".equals(user.getUsername())&&"123".equals(user.getPassowrd())){		
??????	?	session.put("longinInfo",user.getUsername());				
??????	?	return?SUCCESS;			
??????	?}else{			
??????	?	session.put("longinError",?"用戶名或密碼錯誤");
??????	?	return?ERROR;	
??????	?	}
??????	?}
??????}

<form?action="LonginAction"?method="post">?
?用戶名:<input?type="text"?name="user.username"/><br/>??
?密碼:<input?type="password"?name="user.password"/><br/>??
?登陸:<input?type="submit"?value="登陸"/>