样卷1编程.doc

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1、编程1、 base href= My JSP 3_3.jsp starting page =60) RequestDispatcher s=request.getRequestDispatcher(good.jsp); s.forward(request,response); else RequestDispatcher s=request.getRequestDispatcher(bad.jsp); s.forward(request,response); % good.jsp base href= My JSP good.jsp starting page =85&i 你的得分是,优秀!

2、你的得分是,优秀!竟然满分,牛! =75) % 你的得分是,良好 =60) % 你的得分是,及格 bad.jsp base href= My JSP bad.jsp starting page 你的得分是,不及格，要努力了！ 8.1文件下载first.javapackage download;import java.io.FileInputStream;import java.io.IOException;import .URLEncoder;import javax.servlet.ServletException;import javax.servlet.ServletOutputStre

3、am;import javax.servlet.http.HttpServlet;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;public class first extends HttpServlet protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException this.doPost(req, resp

4、); protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException req.setCharacterEncoding(utf-8); resp.setContentType(text/html;charset=utf-8); FileInputStream in=null; ServletOutputStream sos=null; String path=req.getParameter(path); int index=path.las

5、tIndexOf(/); String filename=path.substring(index+1); String newName=URLEncoder.encode(filename,utf-8); String type=path.substring(path.lastIndexOf(.)+1); if(type.equals(doc) resp.setContentType(application/msword); else if(type.equals(pdf) resp.setContentType(application/pdf); elseresp.setContentTy

6、pe(application/vnd.ms-excel); resp.setHeader(content-disposition,attachment;filename=+newName); sos=resp.getOutputStream(); try in=new FileInputStream(path); int i=0; while(i=in.read()!=-1) sos.write(i); catch(Exception e) e.printStackTrace(); finally try sos.close(); in.close(); catch (IOException

7、e) e.printStackTrace(); index.jsp base href= My JSP index.jsp starting page!- 文件下载 点击下载word文件 点击下载pdf文件 点击下载excel文件 web.xmlweb-app version=2.4xmlns=xmlns:xsi=http:/www.w3.org/2001/XMLSchema-instancexsi:schemaLocation= first download.first first /down index.jsp 登陆9.1package first;import java.io.IOExc

8、eption;import java.io.PrintWriter;import javax.servlet.ServletConfig;import javax.servlet.ServletException;import javax.servlet.http.HttpServlet;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;public class first extends HttpServlet Overrideprotected void do

9、Get(HttpServletRequest req, HttpServletResponse resp)throws ServletException, IOException / TODO Auto-generated method stubthis.doPost(req, resp);Overrideprotected void doPost(HttpServletRequest req, HttpServletResponse resp)throws ServletException, IOException / TODO Auto-generated method stubreq.s

10、etCharacterEncoding(utf-8);resp.setContentType(text/html;charset=utf-8);ServletConfig sc=this.getServletConfig();String ss=sc.getInitParameter(configString);PrintWriter pw=resp.getWriter();pw.println( +ss);pw.close();web-app version=2.4xmlns=xmlns:xsi=http:/www.w3.org/2001/XMLSchema-instancexsi:sche

11、maLocation= index.jsp first first.first configString 输出一个字符串 first /kk 增删改index.jsp base href= My JSP index.jsp starting page!- #style-cfont-family: Lucida Sans Unicode, Lucida Grande, Sans-Serif;font-size: 12px;margin: 45px;width: 480px;text-align: center;border-collapse: collapse;border-top: 7px s

12、olid #9baff1;border-bottom: 7px solid #9baff1;#style-c thfont-size: 13px;font-weight: normal;padding: 8px;background: #e8edff;border-right: 1px solid #9baff1;border-left: 1px solid #9baff1;color: #039;#style-c tdpadding: 8px;background: #e8edff;border-right: 1px solid #aabcfe;border-left: 1px solid

13、#aabcfe;color: #669; 学号院系性别年龄姓名操作 增加、a href=delete.jsp?sn=删除、a href=update.jsp?sno=&sdep=&ssex=&sage=&sname=修改 insert.jsp base href= My JSP index.jsp starting page!- 添加/修改信息 学号： 专业： 计算机科学系 外语系 化工系 机械工程系 性别：男 女 年龄： 姓名： update_date.jsp base href= My JSP update_data.jsp starting page!- update.jsp base href= My JSP index.jsp starting page