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853天前package pm_cn.itcast.request; |
import java.io.IOException; |
import java.util.Enumeration; |
import javax.servlet.ServletException; |
import javax.servlet.http.HttpServlet; |
import javax.servlet.http.HttpServletRequest; |
import javax.servlet.http.HttpServletResponse; |
public class RequestDemo2 extends HttpServlet { |
public void doGet(HttpServletRequest request, HttpServletResponse response) |
throws ServletException, IOException { |
|
// 获得 客户机的 请求 的时候 带过来的请求头信息 |
|
String value = request.getHeader("Accept-Language"); |
System.out.println(" Accept-Language : " + value); |
|
System.out.println("==================="); |
// 获得 所有的请求头的 信息 : |
|
Enumeration<String> names = request.getHeaderNames(); |
while(names.hasMoreElements()){ |
String name = names.nextElement(); // 获得 每个头的 名称 |
// 获得头的 值 |
String value2 = request.getHeader(name); |
System.out.println(name + ": " +value2 ); |
} |
} |
public void doPost(HttpServletRequest request, HttpServletResponse response) |
throws ServletException, IOException { |
doGet(request, response); |
} |
} |
