felayman――细学JSP(二)

<%@ page language="java" contentType="text/html; charset=UTF-8"

pageEncoding="UTF-8"%>

<%

request.setCharacterEncoding("utf-8");

%>

<%="传递方式:"+request.getMethod() %>

<%="字符编码方式:"+request.getCharacterEncoding()%>

<%="使用的协议:"+request.getProtocol() %>

<%="客户端地址:"+request.getRequestURI() %>

<%="客户端地址:"+request.getRequestURL() %>

<%="客户端IP地址:"+request.getRemoteAddr() %>

<%="获取服务器端口:"+request.getServerPort() %>

<%="获取服务器名称:"+request.getServerName() %>

<%="获取主机名:"+request.getRemoteHost() %>

<%="获取脚本文件路径:"+request.getServletPath() %>

<%="获取协议头部信息:"+request.getHeader("host") %>

<%="获取协议头部信息:"+request.getHeader("user-agent") %>

<%="获取协议头部信息:"+request.getHeader("accept-language") %>

<%@ page language="java" contentType="text/html; charset=UTF-8"

pageEncoding="UTF-8"%>

<%

//重定向页面

response.sendRedirect("out.jsp");

//禁止使用缓存

response.setHeader("Cache-Contral","no-store");

//禁用缓存

response.setHeader("Expires","0");

//设置页面自动刷新

response.setHeader("refresh","1");

//定时跳转页面

response.setHeader("refresh","5;URL=out.jsp");

//强制将缓冲区内容输出客户端

response.flushBuffer();

//获取缓冲区大小

response.getBufferSize();

//设置缓冲区大小

response.setBufferSize(1023);

//清除缓冲区大小

response.reset();

//检查服务器端是否已经把数据写入到了客户端

response.isCommitted();

%>

1.test1.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"

pageEncoding="UTF-8"%>

<%

String name = "felayman";

session.setAttribute("username",name);

%>

3. test.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"

pageEncoding="UTF-8"%>

<%

String username = (String)session.getAttribute("username");

%>

session:<%=username %>

<%@ page language="java" contentType="text/html; charset=UTF-8"

pageEncoding="UTF-8"%>

<%

//跳转页面

pageContext.forward("out.jsp");

%>