package gacl.request.study;
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;
/**
-
@author gacl
-
通过request对象获取客户端请求信息
*/
public class RequestDemo01 extends HttpServlet {
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
/**
* 1.获得客户机信息
*/
String requestUrl = request.getRequestURL().toString();//得到请求的URL地址
String requestUri = request.getRequestURI();//得到请求的资源
String queryString = request.getQueryString();//得到请求的URL地址中附带的参数
String remoteAddr = request.getRemoteAddr();//得到来访者的IP地址
String remoteHost = request.getRemoteHost();
int remotePort = request.getRemotePort();
String remoteUser = request.getRemoteUser();
String method = request.getMethod();//得到请求URL地址时使用的方法
String pathInfo = request.getPathInfo();
String localAddr = request.getLocalAddr();//获取WEB服务器的IP地址
String localName = request.getLocalName();//获取WEB服务器的主机名
response.setCharacterEncoding(“UTF-8”);//设置将字符以"UTF-8"编码输出到客户端浏览器
//通过设置响应头控制浏览器以UTF-8的编码显示数据，如果不加这句话，那么浏览器显示的将是乱码
response.setHeader(“content-type”, “text/html;charset=UTF-8”);
PrintWriter out = response.getWriter();
out.write(“获取到的客户机信息如下：”);
out.write("
");
out.write(“请求的URL地址：”+requestUrl);
out.write("
");
out.write(“请求的资源：”+requestUri);
out.write("
");
out.write(“请求的URL地址中附带的参数：”+queryString);
out.write("
");
out.write(“来访者的IP地址：”+remoteAddr);
out.write("
");
out.write(“来访者的主机名：”+remoteHost);
out.write("
");
out.write(“使用的端口号：”+remotePort);
out.write("
");
out.write(“remoteUser：”+remoteUser);
out.write("
");
out.write(“请求使用的方法：”+method);
out.write("
");
out.write(“pathInfo：”+pathInfo);
out.write("
");
out.write(“localAddr：”+localAddr);
out.write("
");
out.write(“localName：”+localName);
} public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
doGet(request, response);
}
}`package gacl.request.study;
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;
/**
-
@author gacl
-
通过request对象获取客户端请求信息
*/
public class RequestDemo01 extends HttpServlet {
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
/**
* 1.获得客户机信息
*/
String requestUrl = request.getRequestURL().toString();//得到请求的URL地址
String requestUri = request.getRequestURI();//得到请求的资源
String queryString = request.getQueryString();//得到请求的URL地址中附带的参数
String remoteAddr = request.getRemoteAddr();//得到来访者的IP地址
String remoteHost = request.getRemoteHost();
int remotePort = request.getRemotePort();
String remoteUser = request.getRemoteUser();
String method = request.getMethod();//得到请求URL地址时使用的方法
String pathInfo = request.getPathInfo();
String localAddr = request.getLocalAddr();//获取WEB服务器的IP地址
String localName = request.getLocalName();//获取WEB服务器的主机名
response.setCharacterEncoding(“UTF-8”);//设置将字符以"UTF-8"编码输出到客户端浏览器
//通过设置响应头控制浏览器以UTF-8的编码显示数据，如果不加这句话，那么浏览器显示的将是乱码
response.setHeader(“content-type”, “text/html;charset=UTF-8”);
PrintWriter out = response.getWriter();
out.write(“获取到的客户机信息如下：”);
out.write("
");
out.write(“请求的URL地址：”+requestUrl);
out.write("
");
out.write(“请求的资源：”+requestUri);
out.write("
");
out.write(“请求的URL地址中附带的参数：”+queryString);
out.write("
");
out.write(“来访者的IP地址：”+remoteAddr);
out.write("
");
out.write(“来访者的主机名：”+remoteHost);
out.write("
");
out.write(“使用的端口号：”+remotePort);
out.write("
");
out.write(“remoteUser：”+remoteUser);
out.write("
");
out.write(“请求使用的方法：”+method);
out.write("
");
out.write(“pathInfo：”+pathInfo);
out.write("
");
out.write(“localAddr：”+localAddr);
out.write("
");
out.write(“localName：”+localName);
} public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
doGet(request, response);
}
}`
