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sruts2上传有关问题。看的是浪曦的视频

2011-12-21 
sruts2上传问题。看的是浪曦的视频刚接触这个。不怎么会玩。求各位指教下,我按照视频的步骤做下来。结果缓存没

sruts2上传问题。看的是浪曦的视频
刚接触这个。不怎么会玩。求各位指教下,我按照视频的步骤做下来。结果缓存没有我上传的文件

严重:   Servlet.service()   for   servlet   default   threw   exception
java.io.FileNotFoundException:   F:\soft\tomcat6\work\Catalina\localhost\struts2Dome\upload__418edaad_13311433555__8000_00000002.tmp   (系统找不到指定的文件。)
at   java.io.FileInputStream.open(Native   Method)
at   java.io.FileInputStream. <init> (FileInputStream.java:106)
at   com.action.LoginAction.findUser(LoginAction.java:34)
at   sun.reflect.NativeMethodAccessorImpl.invoke0(Native   Method)
at   sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at   sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at   java.lang.reflect.Method.invoke(Method.java:597)
at   com.opensymphony.xwork2.DefaultActionInvocation.invokeAction(DefaultActionInvocation.java:404)
at   com.opensymphony.xwork2.DefaultActionInvocation.invokeActionOnly(DefaultActionInvocation.java:267)
at   com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:229)
at   com.opensymphony.xwork2.interceptor.DefaultWorkflowInterceptor.doIntercept(DefaultWorkflowInterceptor.java:221)
at   com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:86)
at   com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:224)
at   com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:223)


错误提示太多了超一万字了。。。。


action

[code=Java]package   com.action;

import   java.io.File;
import   java.io.FileInputStream;
import   java.io.FileOutputStream;
import   java.io.InputStream;
import   java.io.*;


import   org.apache.struts2.ServletActionContext;

import   dao.UserDao;

import   vo.Users;

public   class   LoginAction{

private   Users   users;
private   String   username;
private   String   password;
private   File   file;
private   String   fileFileName;
private   String   fileContuenType;



public   String   findUser()   throws   Exception   {
UserDao   userDao   =   new   UserDao();
String   judge   =   userDao.findUsers(users.getUsername(),   users.getPwd());
if   (null   !=   judge)   {

System.out.println(file);
InputStream   is   =   new   FileInputStream(file);//接收文件输入流

String   root   =   ServletActionContext.getRequest().getRealPath( "/ ");

File   destFile   =   new   File(root,this.getFileFileName());//保存文件存放路径

OutputStream   so   =   new   FileOutputStream(destFile);//文件输出

byte[]   buffer   =   new   byte[1024];
int   lengt   =0;
while((lengt=is.read(buffer))> 0){
so.write(buffer);
}
is.close();
so.close();





return   "success ";
}   else   {
return   "errors ";
}
}



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;
}

public   File   getFile()   {
return   file;
}

public   void   setFile(File   file)   {
this.file   =   file;
}



public   Users   getUsers()   {
return   users;
}

public   void   setUsers(Users   users)   {
this.users   =   users;
}


public   String   getFileFileName()   {
return   fileFileName;
}


public   void   setFileFileName(String   fileFileName)   {
this.fileFileName   =   fileFileName;
}


public   String   getFileContuenType()   {
return   fileContuenType;
}


public   void   setFileContuenType(String   fileContuenType)   {
this.fileContuenType   =   fileContuenType;
}





}


页面
<%@   page   language= "java "   import= "java.util.* "   pageEncoding= "utf-8 "%>
<%
String   path   =   request.getContextPath();
String   basePath   =   request.getScheme()+ ":// "+request.getServerName()+ ": "+request.getServerPort()+path+ "/ ";
%>


<!DOCTYPE   HTML   PUBLIC   "-//W3C//DTD   HTML   4.01   Transitional//EN ">
<html>
    <head>
        <base   href= " <%=basePath%> ">
       
        <title> 登录页 </title>
<meta   http-equiv= "pragma "   content= "no-cache ">
<meta   http-equiv= "cache-control "   content= "no-cache ">
<meta   http-equiv= "expires "   content= "0 ">        
<meta   http-equiv= "keywords "   content= "keyword1,keyword2,keyword3 ">
<meta   http-equiv= "description "   content= "This   is   my   page ">
<!--
<link   rel= "stylesheet "   type= "text/css "   href= "styles.css ">
-->
    </head>
   
    <body>
    <form   action= "login.action "   method= "post "   name= "form1 "   enctype= "multipart/form-data ">
      useaname: <input   tyep= "text "   name= "users.username ">   <br>
      password: <input   type= "password "   name= "users.pwd ">   <br>
      file: <input   type= "file "   name= "file "> <br>
     
      <input   type= "submit "   value= "提交 ">
      </form>
    </body>
</html>
 
[/code]



------解决方案--------------------


这个还没学到!帮顶……
[解决办法]
找不到文件呗. 你看看destFile 这个文件是不是有的
[解决办法]
你没那个文件当然接收文件输入流接不到就出错了
错误讯息就是文件找不到呀
还是查找下文件放在那里及位置设置
[解决办法]
一下代码是我做上传的一个例子,你可以参照一下:

jsp代码:

HTML code
<input type="file" name="file" id="imgurl" style="border:1px solid #7F9DB9;"/> 

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