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 {
}
}


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