request/jsp

request 是请求内置对象

方法有

String getParamete()

Map getParameterMap()

Enumeration getParameterNames();       获取全部的参数

String[] geParameterValues()

String getHeader(String name)

Enumeration<String> getHeaderNames()

Enumeration<String> getHeaderName(String header)

int getIntHeader(String name)

<%
    Enumeration<String> headerNames =request.getHeaderNames();
    while(headerNames.hasMoreElements())
    {
        String headerName=headerNames.nextElement();
        out.println(headerName+"_________________________"+request.getHeader(headerName)+"<br>");
    }
%>