JSP Request. Getheaders () method: returns all the values of the request header with the specified name

getHeaders(String name)

Example

<%
  Enumeration cts = request.getHeaders("accept-encoding");
  while(cts.hasMoreElements()){
  out.println("accept-encoding="+cts.nextElement()+"<br>");
}
%>

Typical application

<div style="width:600px">
  <ul style="line-height:24px">
    <li>客户使用的协议:<%=request.getProtocol()%>
      <li>客户端发送请求的方法:<%=request.getmethod()%>
        <li>客户端请求路径:<%=request.getContextPath()%>
          <li>客户机IP地址:<%=request.getRemoteAddr()%>
            <li>客户机名称:<%=request.getRemoteHost()%>
              <li>客户机请求端口号:<%=request.getRemotePort()%>
                <li>接受客户信息的页面:<%=request.getServletPath()%>
                  <li>获取报头中User-Agent值:<%=request.getHeader("user-agent")%>
                    <li>获取报头中accept值:<%=request.getHeader("accept")%>
                      <li>获取报头中Host值:<%=request.getHeader("host")%>
                        <li>获取报头中accept-encoding值:<%=request.getHeader("accept-encoding")%>
                          <li>获取URI:<%=request.getRequestURI()%>
                            <li>获取URL:<%=request.getRequestURL()%>
  </ul>
</div>