Using Struts 2 to upload file

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Jsp page

  • method should be “post”
  • configure enctype=”multipart/form-data”
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    <FORM id=form1 name=form1
    action="${pageContext.request.contextPath }/linkman_addLinkMan.action"
    method="post" enctype="multipart-form/data">
    <input type="file" name="upload">

Action file

  • define encapsulated variables and their get()&set()

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    // this "upload" should be the same as the "upload" in the jsp file
    private File upload;
    // file name should be (file object variable + "FileName")
    private String uploadFileName;
    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;
    }
  • do upload
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    // judge if user wants to upload file
    		if (upload != null) {
    			// create a file in server, "/" equals to "\\"
    			File serverFile = new File("C:\\Users\\Peter\\Desktop\\test" + "/" + uploadFileName);
    			// uploading
    			FileUtils.copyFile(upload, serverFile);
    		}