package?com.ghj.packageofservlet;
import?java.io.File;
import?java.io.IOException;
import?java.io.OutputStream;

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

import?org.apache.commons.io.FileUtils;

import?com.ghj.packageoftool.base64;

public?class?DownServlet?extends?HttpServlet?{

	private?static?final?long?serialVersionUID?=?-4177168327114607886L;

	public?void?doGet（HttpServletRequest?request?HttpServletResponse?response）throws?ServletException?IOException?{
		doPost（request?response）;
	}

	public?void?doPost（HttpServletRequest?request?HttpServletResponse?response）throws?ServletException?IOException?{
????????OutputStream?os?=?response.getOutputStream（）;
????????try?{
????????	response.reset（）;
????????????String?fileName?=?“測試.xls“;
????????????String?agent?=?request.getHeader（“user-agent“）;
????????????if?（agent?!=?null?&&?agent.indexOf（“Firefox“）?>=?0?||?agent.indexOf（“Chrome“）?>=?0?||?agent.indexOf（“Safari“）?>=?0）?{//使用Firefox、Chrome和Safari瀏覽器下載文件時，解決下載文件名亂碼
????????????????String?enableFileName?=?“=?UTF-8?B?“?+?（new?String（base64.encode（fileName.getBytes（“UTF-8“））））?+?“?=“;
????????????????response.setHeader（“Content-Disposition“?“attachment;?filename=“?+?enableFileName）;
????????????}?else?{//使用除Firefox、Chrome和Safari瀏覽器以外的其它瀏覽器下載文件時，解決下載文件名亂碼
????????????????String?enableFileName?=?new?String（fileName.getBytes（“GBK“）?“ISO-8859-1“）;
????????????????response.setHeader（“Content-Disposition“?“attachment;?filename=“?+?enableFileName）;
????????????}
????????????response.setContentType（“application/octet-stream;?charset=UTF-8“）;
????????????String?path?=?request.getSession（）.getServletContext（）.getRealPath（“/downFile/ceshi.xls“）;
????????????File?file?=?new?File（path）;
????????????os.write（FileUtils.readFileToByteArray（file））;
????????????os.flush（）;
????????}?finally?{
????????????if?（os?!=?null）?{
????????????????os.close（）;
????????????}
????????}
	}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2014-06-19?13:49??downFile\
?????文件?????????529??2014-06-19?08:25??downFile\.classpath
?????目錄???????????0??2014-06-19?08:25??downFile\.myeclipse\
?????文件?????????297??2014-06-19?08:25??downFile\.mymetadata
?????文件????????1751??2014-06-19?13:47??downFile\.project
?????目錄???????????0??2014-06-19?13:49??downFile\.settings\
?????文件?????????500??2014-06-19?08:25??downFile\.settings\.jsdtscope
?????文件?????????364??2014-06-19?08:25??downFile\.settings\org.eclipse.jdt.core.prefs
?????文件?????????462??2014-06-19?08:25??downFile\.settings\org.eclipse.wst.common.component
?????文件?????????252??2014-06-19?08:25??downFile\.settings\org.eclipse.wst.common.project.facet.core.xml
?????文件??????????49??2014-06-19?08:25??downFile\.settings\org.eclipse.wst.jsdt.ui.superType.container
?????文件???????????6??2014-06-19?08:25??downFile\.settings\org.eclipse.wst.jsdt.ui.superType.name
?????目錄???????????0??2014-06-19?13:49??downFile\src\
?????目錄???????????0??2014-06-19?13:49??downFile\src\com\
?????目錄???????????0??2014-06-19?13:49??downFile\src\com\ghj\
?????目錄???????????0??2014-06-19?13:49??downFile\src\com\ghj\packageofservlet\
?????文件????????2182??2014-06-19?13:46??downFile\src\com\ghj\packageofservlet\DownServlet.java
?????目錄???????????0??2014-06-19?13:49??downFile\src\com\ghj\packageoftool\
?????文件???????13753??2014-06-19?13:44??downFile\src\com\ghj\packageoftool\base64.java
?????文件????????3664??2014-06-19?13:44??downFile\src\com\ghj\packageoftool\base64InputStream.java
?????文件????????3848??2014-06-19?13:44??downFile\src\com\ghj\packageoftool\base64OutputStream.java
?????文件????????1065??2014-06-19?13:44??downFile\src\com\ghj\packageoftool\Shared.java
?????目錄???????????0??2014-06-19?13:49??downFile\WebRoot\
?????目錄???????????0??2014-06-19?13:49??downFile\WebRoot\downFile\
?????文件???????22016??2014-06-19?08:35??downFile\WebRoot\downFile\ceshi.xls
?????文件?????????440??2014-06-19?08:37??downFile\WebRoot\index.jsp
?????目錄???????????0??2014-06-19?13:49??downFile\WebRoot\meta-INF\
?????文件??????????36??2014-06-19?08:25??downFile\WebRoot\meta-INF\MANIFEST.MF
?????目錄???????????0??2014-06-19?13:49??downFile\WebRoot\WEB-INF\
?????目錄???????????0??2014-06-19?13:49??downFile\WebRoot\WEB-INF\classes\
?????目錄???????????0??2014-06-19?13:49??downFile\WebRoot\WEB-INF\classes\com\
............此處省略12個文件信息