zoukankan      html  css  js  c++  java
  • getRequestURI,getRequestURL的区别

    test1.jsp=======================
    
    <a href ="test.jsp?p=fuck">跳转到test2</a>
    
    test2.jsp=======================
    
    <%@ page language="java" import="java.util.*" pageEncoding="gb2312"%>
    <%
    String path = request.getContextPath();
    String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
    
    out.println("basePath:"+basePath);
    out.println("<br/>");
    out.println("getContextPath:"+request.getContextPath());
    out.println("<br/>");
    out.println("getServletPath:"+request.getServletPath());
    out.println("<br/>");
    out.println("getRequestURI:"+request.getRequestURI());
    out.println("<br/>");
    out.println("getRequestURL:"+request.getRequestURL());
    out.println("<br/>");
    out.println("getRealPath:"+request.getRealPath("/"));
    out.println("<br/>");
    out.println("getServletContext().getRealPath:"+getServletContext().getRealPath("/"));
    out.println("<br/>");
    out.println("getQueryString:"+request.getQueryString());
    
    %>

    显示结果:

    basePath:http://localhost:8080/test/

    getContextPath:/test
    getServletPath:/test.jsp
    getRequestURI:/test/test.jsp
    getRequestURL:http://localhost:8080/test/test.jsp
    getRealPath:D:Tomcat 6.0webapps est
    getServletContext().getRealPath:D:Tomcat 6.0webapps est
    getQueryString:p=fuck

    在一些应用中,未登录用户请求了必须登录的资源时,提示用户登录,此时要记住用户访问的当前页面的URL,当他登录成功后根据记住的URL跳回用户最后访问的页面:

    String lastAccessUrl = request.getRequestURL() + "?" + request.getQueryString();

  • 相关阅读:
    开源权限框架shiro 入门
    Struts1.2入门笔记
    memcache概述
    教你如何将中文转换成全拼
    WPF第一章(XAML前台标记语言(Chapter02代码讲解))
    WPF第一章(XAML前台标记语言)
    WPF简介
    Activity以singleTask模式启动,intent传值的解决办法
    linux下查看文件编码以及编码转换
    Fedora 17字体美化
  • 原文地址:https://www.cnblogs.com/baijin05/p/5086231.html
Copyright © 2011-2022 走看看