Struts1和Struts2的文件下载.doc

Struts1和Struts2的文件下载1 Struts1的文件下载1.1 在struts-config.xml中配置 1.2 创建DownloadActionpackage org.ayong.download.action;import java.io.ByteArrayInputStream;import java.io.InputStream;import java.io.OutputStream;import .URLEncoder;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import org.apache.struts.action.Action;import org.apache.struts.action.ActionForm;import org.apache.struts.action.ActionForward;import org.apache.struts.action.ActionMapping;public class DownloadAction extends Action Overridepublic ActionForward execute(ActionMapping mapping, ActionForm form,HttpServletRequest request, HttpServletResponse response)throws Exception try response.setContentType(Application;charset=UTF-8);String filname = Struts1的下载文件.txt;response.setHeader(Content-disposition, attachment;filename=+ URLEncoder.encode(filname, UTF-8) + ;);OutputStream fos = response.getOutputStream();InputStream fis = new ByteArrayInputStream(Struts1的文件下载.getBytes();int len;byte data = new byte1024;while (len = fis.read(data) != -1) fos.write(data, 0, len);fos.flush();fos.close();fis.close(); catch (Exception e) System.out.println(e);return null;1.3 测试在IE地址中输入http:/localhost:8080/DownLoad/download.do 回车后得到如下结果2 Struts2的文件下载2.1 在struts.xml中配置 Struts2的下载文件.txt text/plain inputStream attachment;filename=$downloadFileName 4096 2.2 创建DownloadActionpackage org.ayong.download.action;import java.io.ByteArrayInputStream;import java.io.InputStream;import java.io.UnsupportedEncodingException;import .URLEncoder;public class DownloadAction private String fileName;/* * 由中的fileName赋值 * param fileName */public void setFileName(String fileName) this.fileName = fileName;/* * 处理带中文的文件名 * return */public String getDownloadFileName() String downloadFileName = null;try downloadFileName = fileName;downloadFileName = URLEncoder.encode(downloadFileName,UTF-8); catch (UnsupportedEncodingException e) e.printStackTrace();return downloadFileName;/* * 获取下载流 * return */ public InputStream getInputStream () return new ByteArrayInputStream(这是Struts2的文件下载.getB