struts2文件上传

zhoshijie

浏览: 256764 次
性别:
来自: 北京

最近访客更多访客>>

9995857

御羽倾城

xuyexw

flzlovexfy

博主相关

博客

微博

相册

留言

关于我

文章分类

社区版块

存档分类

博客分类：

struts

jsp代码

<%@ page contentType="text/html; charset=UTF-8" %>
<%@ taglib prefix="s" uri="/struts-tags" %>
<html>
<head>
<title>Struts2 File Upload</title>
</head>
<body>
<s:text name=""></s:text>
<form action="fileUpload.action" method="POST" enctype="multipart/form-data">

        文件标题：<input type="text" name="title" size="50"/><br/>
        选择文件：<input type="file" name="upload" size="50"/><br/>
        选择文件：<input type="file" name="upload" size="50"/><br/>
        选择文件：<input type="file" name="upload" size="50"/><br/>
       <input type="submit" value=" 上传 "/>
    </form>
</body>
</html>

baseAction文件

//pizza
package com.trendcom.upload.action;
import javax.servlet.ServletContext;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import org.apache.struts2.ServletActionContext;

import com.opensymphony.xwork2.ActionSupport;

public class BaseAction extends ActionSupport {

public HttpServletRequest getRequest(){
return ServletActionContext.getRequest();
}

public HttpServletResponse getResponse(){
return ServletActionContext.getResponse();
}

public HttpSession getSession(){
return getRequest().getSession();
}

public ServletContext getServletContext(){
return ServletActionContext.getServletContext();
}

public String getRealyPath(String path){
return getServletContext().getRealPath(path);
}
}

action文件

package com.trendcom.upload.action;

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.List;

public class UploadFileAction extends BaseAction {
private static final int BUFFER_SIZE=16*1024;
    // 文件标题
    private String title;
    // 用File数组来封装多个上传文件域对象
    private File[] upload;
    // 用String数组来封装多个上传文件名
    private String[] uploadFileName;
    // 用String数组来封装多个上传文件类型
    private String[] uploadContentType;
    // 保存文件的目录路径(通过依赖注入)
    private String savePath;
    //以下为所有属性的getter和setter。省略。。。
    // 自己封装的一个把源文件对象复制成目标文件对象
    private static boolean copy(File src, File dst) {
    boolean result=false;
        InputStream in = null;
        OutputStream out = null;
        try {
            in = new BufferedInputStream(new FileInputStream(src), BUFFER_SIZE);
            out = new BufferedOutputStream(new FileOutputStream(dst),
                    BUFFER_SIZE);
            byte[] buffer = new byte[BUFFER_SIZE];
            int len = 0;
            while ((len = in.read(buffer)) > 0) {
                out.write(buffer, 0, len);
            }
            result=true;
        } catch (Exception e) {
            e.printStackTrace();
            result=false;
        } finally {
            if (null != in) {
                try {
                    in.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
            if (null != out) {
                try {
                    out.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
        return result;
    }
    @Override
    public String execute() throws Exception {
        File[] srcFiles = this.getUpload();
        List<String> successFileList=new ArrayList<String>();
        // 处理每个要上传的文件
        for (int i = 0; i < srcFiles.length; i++) {
            // 根据服务器的文件保存地址和原文件名创建目录文件全路径
            String dstPath = getRealyPath(getSavePath())
                    + "\\" + this.getUploadFileName()[i];
            File dstFile = new File(dstPath);
            if(copy(srcFiles[i], dstFile)){
               successFileList.add(getUploadFileName()[i]);
            }
        }
        getRequest().setAttribute("successFileList", successFileList);
        return SUCCESS;
    }

public String getTitle() {
  return title;
}
public void setTitle(String title) {
  this.title = title;
}
public File[] getUpload() {
  return upload;
}
public void setUpload(File[] upload) {
  this.upload = upload;
}
public String[] getUploadFileName() {
  return uploadFileName;
}
public void setUploadFileName(String[] uploadFileName) {
  this.uploadFileName = uploadFileName;
}
public String[] getUploadContentType() {
  return uploadContentType;
}
public void setUploadContentType(String[] uploadContentType) {
  this.uploadContentType = uploadContentType;
}
public String getSavePath() {
  return savePath;
}
public void setSavePath(String savePath) {
  this.savePath = savePath;
}
}

配置文件

<?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>
      <package name="com.trendcom.upload.action" extends="struts-default">
        <action name="fileUpload" class="com.trendcom.upload.action.UploadFileAction">
            <interceptor-ref name="fileUpload">
              
              <param name="allowedTypes">
    　　　　　　image/bmp,image/png,image/gif,image/jpeg,image/jpg,image/x-png, image/pjpeg
              </param>
              
              <param name="maximumSize">102400</param>
           </interceptor-ref>
           <interceptor-ref name="defaultStack" />
            
            <param name="savePath">/upload</param>
               <result name="input">/index.jsp</result>
            <result name="success">/success.jsp</result>
        </action>
    </package>
</struts>