exercise26_6.java
来自「java程序设计导论（daniel liang著） 所有偶数课后习题答案」· Java 代码 · 共 67 行
JAVA
67 行
import javax.servlet.*;import javax.servlet.http.*;import java.io.*;import java.util.*;public class Exercise26_6 extends HttpServlet { private static final String CONTENT_TYPE = "text/html"; /**Process the HTTP Get request*/ public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setContentType(CONTENT_TYPE); PrintWriter out = response.getWriter(); out.println("<html>"); out.println("<head><title>Exercise26_6</title></head>"); out.println("<body>"); String course = request.getParameter("course"); String ssn = request.getParameter("ssn"); BufferedReader in = null; boolean found = false; try { in = new BufferedReader(new FileReader( "c:\\exercise\\" + course + ".txt")); String line; while ( (line = in.readLine()) != null) { StringTokenizer st = new StringTokenizer(line, "#\n\r\t"); String name = st.nextToken(); String ssnFromFile = st.nextToken(); String score = st.nextToken(); System.out.println(name + " " + ssnFromFile + " " + score); if (ssn.equals(ssnFromFile)) { out.print(name + " " + score); found = true; break; } } if (!found) { out.print(ssn + " not found in " + course); } out.println("</body></html>"); } catch (Exception ex) { out.println(ex.toString()); ex.printStackTrace(); } finally { try { if (in != null) in.close(); if (out != null) out.close(); } catch (Exception ex) { } } } /**Clean up resources*/ public void destroy() { }}⌨️ 快捷键说明
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