jfinal上传下载

1. 上传

<form id="form1" method="post" enctype="multipart/form-data" >
<input type="file" id="upload" name="upload" />
<input type = "submit" class = "button" value = "保存"  />
</form>

String path_tmp = "";
        String real_path = "";
        String fileName = "";
        String file_url = "";
        String uploadDir = File.separator + "upload" + File.separator + "contract" + File.separator;
        path_tmp = PathKit.getWebRootPath() + uploadDir;
        UploadFile uploadFile = getFile("upload", path_tmp);
        fileName = uploadFile.getFileName();
        real_path = uploadFile.getSaveDirectory();
        file_url = real_path + fileName;

2. 下载

<a href="<%=path%>/requestform/downMarContract?file_url=${list_request.get(0).FILE_URL }">下载</a>

public void downMarContract() throws Exception{
        String file_url = getPara("file_url");
        File file = new File(file_url);
        if(file.exists()) {
            renderFile(file);
        }
    }