testservlet.java~8~

jsp设计的留言板,供大家参考,使用的是文本文件作为数据库

package bookservlets;

import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import java.util.*;

public class TestServlet extends HttpServlet {
  private static final String CONTENT_TYPE = "text/html; charset=Big5";

  //Initialize global variables
  public void init() throws ServletException {
  }

  //Process the HTTP Get request
  public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
    response.setContentType(CONTENT_TYPE);
    PrintWriter out = response.getWriter();
    String sp = request.getServletPath();
    String cp = request.getContextPath();
    String pi = request.getPathInfo();
    String pt = request.getRealPath("/ts");
    String pat = request.getScheme();
    String sn = request.getServerName();
    out.println("<table border=1><tr><td>getServletPath : </td><td>"+sp+"</td></tr>");
    out.println("<tr><td>getContextPath : </td><td>"+cp+"</td></tr>");
    out.println("<tr><td>getPathInfo : </td><td>"+pi+"</td></tr>");
    out.println("<tr><td>getServerName : </td><td>"+sn+"</td></tr>");
    out.println("<tr><td>getPathTranslated : </td><td>"+pt+"</td></tr>");
    out.println("<tr><td>getScheme : </td><td>"+pat+"<table>");
    out.println("");
  }

  //Clean up resources
  public void destroy() {
  }
}