JSP/Servlet中request获取的路径信息

最新推荐文章于 2023-03-06 13:56:35 发布

flyjimi

最新推荐文章于 2023-03-06 13:56:35 发布

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文章标签： import null class html

本文链接：https://blog.youkuaiyun.com/flyjimi/article/details/557959

此博客展示了一个Java Servlet示例代码，通过`HelloWorldServlet`类处理HTTP请求，向客户端输出HTML页面，包含请求的相关信息，如`requestURI`、`contextPath`等，并给出了代码的输出结果。

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package examples;

import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.http.*;

public class HelloWorldServlet extends HttpServlet
{

    public HelloWorldServlet()
    {
    }

public void doGet(HttpServletRequest httpservletrequest, HttpServletResponse httpservletresponse)
 throws IOException
 {
 httpservletresponse.setContentType("text/html");
 PrintWriter printwriter = httpservletresponse.getWriter();
 printwriter.println("<html>");
 printwriter.println("<body>");
 printwriter.println("<h1>Hello World!</h1>");
 printwriter.println(" ================= ");
 printwriter.println(" requestURI = contextPath + servletPath + pathInfo");
 printwriter.println(" requestURI = " + httpservletrequest.getRequestURI());
 printwriter.println(" contextPath = " + httpservletrequest.getContextPath());
 printwriter.println(" servletPath = " + httpservletrequest.getServletPath());
 printwriter.println(" pathInfo = " + httpservletrequest.getPathInfo());
 printwriter.println(" serverName = " + httpservletrequest.getServerName());
 printwriter.println(" serverPort = " + httpservletrequest.getServerPort());
 printwriter.println(" remoteAddr = " + httpservletrequest.getRemoteAddr());
 printwriter.println(" remoteHost = " + httpservletrequest.getRemoteHost());
 printwriter.println(" remotePort = " + httpservletrequest.getRemotePort());
 printwriter.println(" remoteUser = " + httpservletrequest.getRemoteUser());
 printwriter.println(" localAddr = " + httpservletrequest.getLocalAddr());
 printwriter.println(" localName = " + httpservletrequest.getLocalName());
 printwriter.println(" localPort = " + httpservletrequest.getLocalPort());
 printwriter.println(" locale = " + httpservletrequest.getLocale());
 printwriter.println(" requestSessionId = " + httpservletrequest.getRequestedSessionId());
 printwriter.println(" requestURL = " + httpservletrequest.getRequestURL());
 printwriter.println(" = ");
 printwriter.println(" = ");
 printwriter.println(" = ");
 printwriter.println(" = ");
 printwriter.println("</body>");
 printwriter.println("</html>");
 }
}

===========================输出=====================

Hello World!

=================
requestURI = contextPath + servletPath + pathInfo
requestURI = /servlet/examples.HelloWorldServlet
contextPath =
servletPath = /servlet/examples.HelloWorldServlet
pathInfo = null
serverName = localhost
serverPort = 8080
remoteAddr = 127.0.0.1
remoteHost = 127.0.0.1
remotePort = 2173
remoteUser = null
localAddr = 127.0.0.1
localName = 127.0.0.1
localPort = 8080
locale = zh_CN
requestSessionId = null
requestURL = http://localhost:8080/servlet/examples.HelloWorldServlet
=
=
=
=