package?com.file;

import?java.io.IOException;
import?java.io.PrintWriter;

import?javax.servlet.ServletException;
import?javax.servlet.http.HttpServlet;
import?javax.servlet.http.HttpServletRequest;
import?javax.servlet.http.HttpServletResponse;

import?com.jspsmart.upload.SmartUpload;
import?com.jspsmart.upload.SmartUploadException;

/**?
?*?@author?yilong?
?*?創建時間：2017-5-23?上午10:09:10?
?*?
?*/
public?class?downfile_handle?extends?HttpServlet?{

	/**
	?*?The?doPost?method?of?the?servlet.?

	?*
	?*?This?method?is?called?when?a?form?has?its?tag?value?method?equals?to?post.
	?*?
	?*?@param?request?the?request?send?by?the?client?to?the?server
	?*?@param?response?the?response?send?by?the?server?to?the?client
	?*?@throws?ServletException?if?an?error?occurred
	?*?@throws?IOException?if?an?error?occurred
	?*/
	public?void?doPost（HttpServletRequest?request?HttpServletResponse?response）
			throws?ServletException?IOException?{
		//獲取下載文件名
		String?fileName?=?request.getParameter（“filename“）;
		//新建一個smartUpload對象
		SmartUpload?smartUpload?=?new?SmartUpload（）;
		//初始化
		smartUpload.initialize（this.getServletConfig（）?request?response）;
		//設定contentDisposition為null以禁止瀏覽器自動打開文件
		//保證單擊鏈接后是下載文件。
		smartUpload.setContentDisposition（null）;
		//下載文件
		try?{
			smartUpload
					.downloadFile（“/“
							+?fileName）;
		}?catch?（SmartUploadException?e）?{
			e.printStackTrace（）;
		}
	}

}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2017-05-22?19:37??exp6\
?????文件?????????603??2017-05-22?20:14??exp6\.classpath
?????目錄???????????0??2017-05-22?19:37??exp6\.myeclipse\
?????文件?????????285??2017-05-22?19:37??exp6\.mymetadata
?????文件????????1747??2017-05-22?20:13??exp6\.project
?????目錄???????????0??2017-05-22?22:50??exp6\.settings\
?????文件?????????500??2017-05-22?19:37??exp6\.settings\.jsdtscope
?????文件?????????364??2017-05-22?19:37??exp6\.settings\org.eclipse.jdt.core.prefs
?????文件?????????450??2017-05-22?19:37??exp6\.settings\org.eclipse.wst.common.component
?????文件?????????252??2017-05-22?19:37??exp6\.settings\org.eclipse.wst.common.project.facet.core.xml
?????文件??????????49??2017-05-22?19:37??exp6\.settings\org.eclipse.wst.jsdt.ui.superType.container
?????文件???????????6??2017-05-22?19:37??exp6\.settings\org.eclipse.wst.jsdt.ui.superType.name
?????目錄???????????0??2017-05-23?10:09??exp6\src\
?????目錄???????????0??2017-05-23?10:09??exp6\src\com\
?????目錄???????????0??2017-05-23?10:09??exp6\src\com\file\
?????文件????????1507??2017-05-23?10:10??exp6\src\com\file\downfile_handle.java
?????目錄???????????0??2017-05-23?11:33??exp6\WebRoot\
?????文件????????1103??2017-05-23?10:17??exp6\WebRoot\downfile.jsp
?????文件????????1033??2017-05-23?09:14??exp6\WebRoot\downfile_handle.jsp
?????文件?????????829??2017-05-22?19:37??exp6\WebRoot\index.jsp
?????文件????????2938??2017-05-23?11:39??exp6\WebRoot\listdir.jsp
?????目錄???????????0??2017-05-22?19:37??exp6\WebRoot\meta-INF\
?????文件??????????36??2017-05-22?19:37??exp6\WebRoot\meta-INF\MANIFEST.MF
?????文件?????????923??2017-05-22?22:54??exp6\WebRoot\upfile.jsp
?????文件????????1265??2017-05-23?08:49??exp6\WebRoot\upfile_handle.jsp
?????目錄???????????0??2017-05-22?19:37??exp6\WebRoot\WEB-INF\
?????目錄???????????0??2017-05-23?10:12??exp6\WebRoot\WEB-INF\classes\
?????目錄???????????0??2017-05-23?10:12??exp6\WebRoot\WEB-INF\classes\com\
?????目錄???????????0??2017-05-23?10:12??exp6\WebRoot\WEB-INF\classes\com\file\
?????文件????????1619??2017-05-23?10:12??exp6\WebRoot\WEB-INF\classes\com\file\downfile_handle.class
?????目錄???????????0??2017-05-22?19:37??exp6\WebRoot\WEB-INF\lib\
............此處省略1個文件信息