Request获取请求行数据方法介绍和Request获取请求行数据代码演示
Request_获取请求行数据_方法介绍
GET/day14/demo01?name=zhangsan HTTP/1.1
方法:
1.获取请求方式:GET
String getMethod()
2.获取虚拟目录:/day14
String getContextPath()
3.获取Servlet路径:/demo1
String getServletPath()
4.获取get方式请求参数:name=zhangsan
String getQueryString()
5.获取请求URI:/day14/demo1
String getRequestURI():/day14/demo1
StringBuffer getRequestURL() :http://localhost/day14/demo1
URL:统一资源定位符:http://localhost:8080/servlet/RequestD1
URI:统一资源标识符:/servlet/RequestD1
6.获取协议及版本:HTTP/1.1
String getProtocol()
7.获取客户机的IP地址:
String getRemoteAddr()
Request_获取请求行数据_代码演示
@WebServlet("/RequestD1") public class RequestD1 extends HttpServlet { protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { // 1.获取请求方式:GET String method = request.getMethod(); System.out.println(method); // 2.获取虚拟目录:/day14 String contextPath = request.getContextPath(); System.out.println(contextPath); // 3.获取Servlet路径:/demo1 String servletPath = request.getServletPath(); System.out.println(servletPath); // 4.获取get方式请求参数:name=zhangsan String queryString = request.getQueryString(); System.out.println(queryString); // 5.获取请求URI:/day14/demo1 String requestURI = request.getRequestURI(); StringBuffer requestURL = request.getRequestURL(); System.out.println(requestURI); System.out.println(requestURL); // 6.获取协议及版本:HTTP/1.1 String protocol = request.getProtocol(); System.out.println(protocol); // 7.获取客户机的IP地址: String remoteAddr = request.getRemoteAddr(); System.out.println(remoteAddr); } protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { } }