requestheaderdemo.java

来自「Java程序设计实验与实训源代码经典的JAVA学习教材」· Java 代码 · 共 29 行

JAVA
29
字号
import Java.io.*;
import Javax.servlet.*;
import Javax.servlet.http.*;
import Java.util.*;

public class RequestHeaderDemo extends HttpServlet {
	public void doGet(HttpServletRequest req, HttpServletResponse res)throws ServletException,IOException{
		res.setContentType("text/html");
        PrintWriter out = res.getWriter();
        Enumeration e = req.getHeaderNames();
        
        out.println("<html><head>");
        out.println("<title>取得Request Heads的演示程序</title>");
        out.println("</head>");
        out.println("<body>");
        out.println("<h2 align=center><font color=#FF0000>取得Request Heads的演示程序</font></h2>");
        out.println("<table border=0 width=100%>");
                
        while (e.hasMoreElements()) {
            String headName = (String)e.nextElement();
            String headValue = req.getHeader(headName);
            out.println("<tr><td width=11% bgcolor=#CCCCCC>"+headName+":</td><td width=89%>"+headValue+"</td></tr>");
        }
        
        out.println("</table>");
		out.println("</body></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?