displayheaderinfo.java

来自「scwcd的考试,测试代码,如果希望参加此类考试将非常的有帮助」· Java 代码 · 共 36 行

JAVA
36
字号
package scwcd.ch02;

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

public class DisplayHeaderInfo extends HttpServlet {
  private static final String CONTENT_TYPE = "text/html; charset=GB2312";
  public void doGet(HttpServletRequest request, 
                    HttpServletResponse response)
              throws ServletException, IOException {
    response.setContentType(CONTENT_TYPE);
    PrintWriter out = response.getWriter();
    out.println("<html>");
    out.println("<body>");
    out.println("<h3>HTTP Servlet 所接收的 Header 信息</h3><p>");

    out.println("<table border=1>");
    Enumeration headers = request.getHeaderNames();

    while(headers.hasMoreElements()) {
      String header = (String) headers.nextElement();
      String value = request.getHeader(header);

      out.println("<tr>");
      out.println("<td bgcolor=#C0C0C0><font color=#000000>"
                   + header +"</font></td>");
      out.println("<td>" + value +"</font></td>");
      out.println("</tr>");
    }
    out.println("</table>");
    out.println("</body>");
    out.println("</html>");
  }
}

⌨️ 快捷键说明

复制代码Ctrl + C
搜索代码Ctrl + F
全屏模式F11
增大字号Ctrl + =
减小字号Ctrl + -
显示快捷键?