String path = request.getContextPath(....拼装当前网页的相对路径
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
这个语句是用来拼装当前网页的相对路径的。
<base href="...">是用来表明当前页面的相对路径所使用的根路径的。
比如,页面内部有一个连接,完整的路径应该是 http://localhost:80/myblog/authen/login.do
其中http://server/是服务器的基本路径,myblog是当前应用程序的名字,那么,我的根路径应该是那么http://localhost:80/myblog/。
有了这个 <base ... >以后,我的页面内容的连接,我不想写全路径,我只要写 authen/login.do就可以了。服务器会自动把 <base ...>指定的路径和页面内的相对路径拼装起来,组成完整路径。
如果没有这个 <base...>,那么我页面的连链接就必须写全路径,否则服务器会找不到。
request.getSchema()可以返回当前页面使用的协议,就是上面例子中的“http”
request.getServerName()可以返回当前页面所在的服务器的名字,就是上面例子中的“localhost"
request.getServerPort()可以返回当前页面所在的服务器使用的端口,就是80,
request.getContextPath()可以返回当前页面所在的应用的名字,就是上面例子中的myblog
这四个拼装起来,就是当前应用的跟路径了
分享到:
相关推荐
// String methodName = request.getParameter("method"); // // //根据method属性的值调用相应的方法 // if("login".equals(methodName)){ // this.login(request,response); // }else if("register".equals(method...
本文实例讲述了JSP实现简单的用户登录并...String path = request.getContextPath(); String basePath = request.getScheme()+”://”+request.getServerName()+”:”+request.getServerPort()+path+”/”; %>
String path = request.getContextPath(); String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/"; %> <!DOCTYPE HTML PUBLIC "-//W3C//DTD H
String path = request.getContextPath(); String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/"; %> <!DOCTYPE HTML> <html> <head> ...
分享给大家供大家参考,具体如下: 1. css代码:index4.css @CHARSET "UTF-8"; .sd{ font-weight: bold; color: black;... background: red;...Stringpath = request.getContextPath(); StringbasePath = reque
String path = request.getContextPath(); String basePath = request.getScheme() + "://" + request.getServerName() + ":" + request.getServerPort() + path + "/"; %> <!DOCTYPE ...
String path = request.getContextPath(); String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/"; %> <!DOCTYPE ...
String path = request.getContextPath(); String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/"; %> <!DOCTYPE ...
String path = request.getContextPath(); String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/"; %> <!DOCTYPE ...
String path = request.getContextPath(); String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/"; %> <!DOCTYPE ...
String path = request.getContextPath(); String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/"; %> <!DOCTYPE ...
String path = request.getContextPath(); String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/"; %> <form action="userManage.do?method=...
String path = request.getContextPath(); String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/"; %> <!DOCTYPE ...
String path = request.getContextPath(); String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/"; %> <!DOCTYPE ...
String path = request.getContextPath(); String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/"; %> <!DOCTYPE ...
String path = request.getContextPath(); String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/"; %> ``` 该语句用于获取当前网页的相对路径 例如: 访问...
String path = request.getContextPath(); String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/"; %> ! public static String code=...
String path = request.getContextPath(); String basePath = request.getScheme() + "://" + request.getServerName() + ":" + request.getServerPort() + path + "/"; List<Users> list = (List) request....
String root = request.getContextPath(); String mkdirsql = hex.charAt(0)+"/"+hex.charAt(1)+"/"; String sqlpath = root+"/images/"+mkdirsql+filename; String imgpath = sqlpath; //图片保存到数据库的...
String contextPath = request.getContextPath(); // 获取上下文路径(重定向) String opr = request.getParameter("opr"); // 获取请求参数opr的值,opr代表是什么类型的请求 if (opr == null) { // 如果不传...