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一个让人莫名其妙的有关问题-架构STRUTS,工具ECLIPSE

2012-02-19 
一个让人莫名其妙的问题----------架构STRUTS,工具ECLIPSE这是我的文件内容ACTIONFORM内容:/**Generatedby

一个让人莫名其妙的问题----------架构STRUTS,工具ECLIPSE
这是我的文件内容
ACTIONFORM内容:
/*
  *   Generated   by   MyEclipse   Struts
  *   Template   path:   templates/java/JavaClass.vtl
  */
package   cn.hxex.huge.struts.form;

import   java.util.*;
import   java.util.Map;
import   java.util.HashMap;
import   javax.servlet.http.HttpServletRequest;
import   org.apache.struts.action.ActionErrors;
import   org.apache.struts.action.ActionForm;
import   org.apache.struts.action.ActionMapping;

/**  
  *   MyEclipse   Struts
  *   Creation   date:   07-27-2007
  *  
  *   XDoclet   definition:
  *   @struts.form   name= "friendsForm "
  */
public   class   FriendsForm   extends   ActionForm   {
private   List   names   =   new   ArrayList();
private   List   addresses   =   new   ArrayList();
/*
  *   Generated   Methods
  */



/**  
  *   Method   validate
  *   @param   mapping
  *   @param   request
  *   @return   ActionErrors
  */
public   ActionErrors   validate(ActionMapping   mapping,
HttpServletRequest   request)   {
//   TODO   Auto-generated   method   stub
return   null;
}

/**  
  *   Method   reset
  *   @param   mapping
  *   @param   request
  */
public   void   reset(ActionMapping   mapping,   HttpServletRequest   request)   {
//   TODO   Auto-generated   method   stub
}
/**
  *   以LIST为单位,STE,GET该属性的值
  *   @return
  */
public   List   getAddresses()   {
return   addresses;
}

public   void   setAddresses(List   addresses)   {
this.addresses   =   addresses;
}

public   List   getNames()   {
return   names;
}

public   void   setNames(List   names)   {
this.names   =   names;
}
/**
  *   以LIST中单个值为单位,SET,GET该LIST的值
  *   @param   index
  *   @param   name
  */
public   void   setName(int   index,String   name){
if(this.names.size()   >   index)
this.names.add(index,   name);
else{
while(this.names.size()   <   index)
this.names.add(null);
this.names.add(index,name);
}
}
public   String   getName(int   index){
if(this.names.size()   <   index)
return   null;
else
return   (String)this.names.get(index);

}
public   void   setAddress(int   index,String   address){
if(this.addresses.size()   >   index)
this.addresses.add(index,   address);
else{
while(this.addresses.size()   <   index)
this.addresses.add(null);
this.addresses.add(index,   address);
}
}
public   String   getAddress(int   index){
if(this.addresses.size()   <   index)
return   null;


else
return   (String)this.addresses.get(index);
}
}
下面是我的ACTION的内容
/*
  *   Generated   by   MyEclipse   Struts
  *   Template   path:   templates/java/JavaClass.vtl
  */
package   cn.hxex.huge.struts.action;

import   javax.servlet.http.HttpServletRequest;
import   javax.servlet.http.HttpServletResponse;
import   org.apache.struts.action.Action;
import   org.apache.struts.action.ActionForm;
import   org.apache.struts.action.ActionForward;
import   org.apache.struts.action.ActionMapping;
import   cn.hxex.huge.struts.form.FriendsForm;

/**  
  *   MyEclipse   Struts
  *   Creation   date:   07-27-2007
  *  
  *   XDoclet   definition:
  *   @struts.action   path= "/friends "   name= "friendsForm "   input= "/form/friends.jsp "   scope= "request "   validate= "true "
  */
public   class   FriendsAction   extends   Action   {
/*
  *   Generated   Methods
  */

/**  
  *   Method   execute
  *   @param   mapping
  *   @param   form
  *   @param   request
  *   @param   response
  *   @return   ActionForward
  */
public   ActionForward   execute(ActionMapping   mapping,   ActionForm   form,
HttpServletRequest   request,   HttpServletResponse   response)   {
FriendsForm   friendsForm   =   (FriendsForm)   form;//   TODO   Auto-generated   method   stub
return   mapping.findForward( "friends ");
}
}
下面是我的INPUT文件内容(FRIENDS.JSP)
<%@   page   language= "java "   pageEncoding= "ISO-8859-1 "%>
<%@   taglib   uri= "http://jakarta.apache.org/struts/tags-bean "   prefix= "bean "%>  
<%@   taglib   uri= "http://jakarta.apache.org/struts/tags-html "   prefix= "html "%>
 
<html>  
<head>
<title> JSP   for   FriendsForm   form </title>
</head>
<body>
<html:form   action= "/friends ">
Who   are   you   friends:
friends   1   : <html:text   property= "name[0] "   /> <br>
friends   2   : <html:text   property= "name[1] "   /> <br>
friends   3   : <html:text   property= "name[2] "   /> <br>

They   are   address:
address   1   : <html:text   property= "address[0] "   /> <br>
address   2   : <html:text   property= "address[1] "   /> <br>
address   3   : <html:text   property= "address[2] "   /> <br>
<html:submit/>
</html:form>
</body>
</html>

下面是我的输出页面内容(PRINTFRIENDS.JSP)
<%@   page   language= "java "   pageEncoding= "ISO-8859-1 "%>

<%@   taglib   uri= "http://struts.apache.org/tags-bean "   prefix= "bean "   %>
<%@   taglib   uri= "http://struts.apache.org/tags-html "   prefix= "html "   %>


<%@   taglib   uri= "http://struts.apache.org/tags-logic "   prefix= "logic "   %>
<%@   taglib   uri= "http://struts.apache.org/tags-tiles "   prefix= "tiles "   %>
<%@   taglib   uri= "http://java.sun.com/jsp/jstl/functions "   prefix= "fn "   %>
<%@   taglib   uri= "http://java.sun.com/jsp/jstl/core "   prefix= "c "   %>

<!DOCTYPE   HTML   PUBLIC   "-//W3C//DTD   HTML   4.01   Transitional//EN ">
<html:html   lang= "true ">
    <head>
        <html:base   />
       
        <title> PrintFriends.jsp </title>

    </head>
    <body>
        You   are   ${fn:length(friendsForm.names)}   friends: <br>
        <c:set   var= "count "   value= "0 "   />
        <c:forEach   var= "friend "   items= "${fn:length(friendsForm.names)} ">
        <c:set   var= "count "   value= "${count+1} "   />
        friends   ${count}   : <bean:write   name= "friendsForm "   property= "name[${count}] "/>
        </c:forEach>
       
        They   are   address:
          <c:set   var= "count "   value= "0 "   />
        <c:forEach   var= "friend "   items= "${fn:length(friendsForm.addresses)} ">
        <c:set   var= "count "   value= "${count+1} "   />
        address   ${count}   : <bean:write   name= "friendsForm "   property= "address[${count}] "/>
        </c:forEach>
    </body>
</html:html>

下面是我的STRUTS-CONFIG相关配置

<form-beans   >
        <form-bean   name= "friendsForm "   type= "cn.hxex.huge.struts.form.FriendsForm "   />

    </form-beans>
.......
<action-mappings   >
        <action
            attribute= "friendsForm "
            input= "/form/friends.jsp "
            name= "friendsForm "
            path= "/friends "
            scope= "request "
            type= "cn.hxex.huge.struts.action.FriendsAction "   >
            <forward   name= "friends "   path= "/PrintFriends.jsp "   />
        </action>


    </action-mappings>



[解决办法]
text 的值也可以用数组来表示么?
------解决方案--------------------


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