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Servlet Request对象 获取服务器的相关信息

2013-12-04 10:16 302 查看
文章摘自http://zhyx5017192.blog.163.com/blog/static/30925128201241922947126/

 

import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class GetServerInfoServlet extends HttpServlet {
private static final long serialVersionUID = 1L;

public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
doPost(request, response);
}

public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html");
response.setCharacterEncoding("UTF-8"); // 这句一定要加上，否则在浏览器中输出中文乱码
PrintWriter out = response.getWriter();
out
.println("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">");
out.println("<HTML>");
out.println("  <HEAD><TITLE>通过Servlet获取服务器的运行参数</TITLE></HEAD>");
out.println("  <BODY>");
out.println("请求的URL为：" + request.getRequestURL() + "</br>");
out.println("请求的URI为：" + request.getRequestURI() + "</br>");
out.print("服务器Ip为：" + request.getRemoteAddr() + "</br>");
out.println("服务器名为：" + request.getServerName() + "</br>");
out.println("服务器端口号为：" + request.getServerPort() + "</br>");
out.println("协议名为：" + request.getScheme() + "</br>");
out.println("协议版本为：" + request.getProtocol() + "</br>");
out.println("请求方法为：" + request.getMethod() + "</br>");
out.println("上下文路径为：" + request.getContextPath() + "</br>");
out.println("Servlet路径为：" + request.getServletPath() + "</br>");
out.println("  </BODY>");
out.println("</HTML>");
out.flush();
out.close();
}
}

 

 

部署项目，启动tomcat服务器，在浏览器中输入
http://localhost:8080/TestJSP/servlet/GetServerInfoServlet

请求的URL为：http://localhost:8080/TestJSP/servlet/GetServerInfoServlet
请求的URI为：/TestJSP/servlet/GetServerInfoServlet
服务器Ip为：0:0:0:0:0:0:0:1
服务器名为：localhost
服务器端口号为：8080
协议名为：http
协议版本为：HTTP/1.1
请求方法为：GET
上下文路径为：/TestJSPServlet
路径为：/servlet/GetServerInfoServlet

 

<servlet>
<servlet-name>GetServerInfoServlet</servlet-name>
<servlet-class>com.xx.servlet.GetServerInfoServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>GetServerInfoServlet</servlet-name>
<url-pattern>/servlet/GetServerInfoServlet</url-pattern>
</servlet-mapping>

 
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