javaweb实验---Struts2框架开发应用

待我称王封你为后i 2022-04-17 05:14 211阅读 0赞

**upload.html:**

<html xmlns="http://www.w3.org/1999/xhtml">  
<head>  
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />  
<title>简单的文件上传</title>  
</head>  
<body>  
<form action="upload.action" method="post" enctype="multipart/form-data">  
      文件标题：<input type="text" name="title" /><br>  
      选择文件：<input type="file" name="upload" /><br>  
    <input value="上传" type="submit" />  
</form>  
</body>  
</html>

上传成功之后跳转的页面succ.jsp：

<%@ 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>1</title>

</head>  
    
  <body>  
    <h3>上传成功！！！</h3>  
  </body>  
</html>

**Struts.xml:**

<?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="Action" extends="struts-default">  
      
        <action name="upload" class="Action.UploadAction">  
            <param name="savePath">/upload</param>  
            <result>/succ.jsp</result>      
        </action>          
    </package>  
</struts>

**UploadAction.java:**

package Action;

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

import org.apache.struts2.ServletActionContext;

import com.opensymphony.xwork2.ActionSupport;

public class UploadAction extends ActionSupport \{  
      
    private String title;  
    private File upload;  
    private String uploadContentType;  
    private String uploadFileName;  
    private String savePath;  
    public String getTitle() \{  
        return (this.title);  
    \}  
    public void setTitle(String title) \{  
        this.title = title;  
    \}  
    public File getUpload() \{  
        return (this.upload);  
    \}  
    public void setUpload(File upload) \{  
        this.upload = upload;  
    \}  
    public String getUploadContentType() \{  
        return (this.uploadContentType);  
    \}  
    public void setUploadContentType(String uploadContentType) \{  
        this.uploadContentType = uploadContentType;  
    \}  
    public String getUploadFileName() \{  
        return (this.uploadFileName);  
    \}  
    public void setUploadFileName(String uploadFileName) \{  
        this.uploadFileName = uploadFileName;  
    \}  
    public String getSavePath()throws Exception \{  
        return ServletActionContext.getRequest().getRealPath(savePath);  
          
    \}  
    public void setSavePath(String savePath) \{  
        this.savePath = savePath;  
    \}  
      
    @Override  
    public String execute()throws Exception\{  
        System.out.println("开始上传单个文件-------------");  
        System.out.println(getSavePath());  
        System.out.println("============"+getUploadFileName());  
        System.out.println("============"+getUploadContentType());  
        System.out.println("============"+getUpload());  
        //以服务器的文件保存地址和原文件名建立上传文件传输流  
        FileOutputStream fos = new FileOutputStream(getSavePath() +"\\\\" +  
        getUploadFileName());  
        FileInputStream fis = new FileInputStream(getUpload());  
        byte\[\] buffer = new byte\[1024\];  
        int len = 0;  
        while((len = fis.read(buffer))>0)\{  
            fos.write(buffer,0,len);  
        \}  
        return SUCCESS;  
    \}  
      
\}

测试截图：

![20181113160050458.png][]

**上传成功后跳转到succ.jsp页面，并且显示上传成功：**

![20181113160118996.png][]

[20181113160050458.png]: /images/20220417/7b34038980a144ceba7590f713e27d3f.png
[20181113160118996.png]: /images/20220417/6f6e3574850b4506ac9737fcf68fd6a6.png