headersservlet.java

来自「icsamples目录中有icsamples网络程序。这个程序包括J2EE网络」· Java 代码 · 共 52 行

JAVA

52 行

package jwadbook.servlets;

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

public class HeadersServlet extends HttpServlet 
{

	public void doPost ( HttpServletRequest req, HttpServletResponse resp ) 
			throws ServletException,IOException
	{
       	        Enumeration params = req.getParameterNames();	
		PrintWriter out = resp.getWriter();
		resp.setContentType("text/html");
		out.println(" <HTML> ");
		out.println(" <HEAD>");
		out.println(" <TITLE>FormParameterServlet</TITLE> ");
		out.println(" </HEAD> ");
		out.println(" <BODY BGCOLOR=white> ");
		out.println(" <CENTER> ");
		out.println(" <FONT COLOR='#009999' SIZE='4' face='Arial'> ");
		out.println(" <STRONG>List of all Headers in Servlet Request</STRONG> ");
		out.println(" </FONT> ");
		out.println(" </CENTER> ");
		out.println(" <HR> ");
                out.println("<H3> Request Line is: </H3>");
                out.println("<B>Method: </B>" +  req.getMethod() + " + ");  
                out.println("<B>URI: </B>" + req.getRequestURI() + " + ");  
                out.println("<B>Protocol: </B>" + req.getProtocol() + "<BR>" );                
                out.println("<CENTER><H3> Header Name and Values </H3></CENTER>");
                out.println("<TABLE BORDER=1 ALIGN=CENTER >");
                out.println("<TR BGCOLOR='#99cee6'> <TH> Name</TH> <TH>Value </TH> </TR> ");                
                Enumeration headerNames = req.getHeaderNames();
                while(headerNames.hasMoreElements()) {
                  String headerName = (String)headerNames.nextElement();
                  out.println("<TR><TD>" + headerName + "</TD>");
                  out.println("    <TD>" + req.getHeader(headerName)+"</TD>");
                }
                out.println("</TABLE>");
                out.println("</BODY></HTML>");
    		out.flush();
	}
        public void doGet ( HttpServletRequest req, HttpServletResponse resp ) 
			throws ServletException,IOException
	{
		doPost(req,resp);
	}
}

headersservlet.java - 源码说明

本页面展示了「icsamples目录中有icsamples网络程序。这个程序包括J2EE网络层的范例程序」中的 headersservlet.java 源码文件，采用 Java 编程语言编写，共 52 行代码。您可以在线阅读完整代码内容，也可以返回资源详情页下载完整源码包进行本地学习和开发。

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