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 行
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>");
}
}
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