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java中HttpServletRequest常用获取url、资源名等方法总结

HttpServletRequest客户端获取请求,客户端通过HTTP协议访问服务器时,HTTP请求头中的所有信息都封装在这个对象中。所以我们能够从对象中获取相应信息
 
端口
request.getServerPort() ;
获取服务器名称
request.getContextPath();
获取工程名称
request.getContextPath();
获取servlet路径
request.getServletPath().substring(0,request.getServletPath().lastIndexOf("/"));
 
全路径:http://localhost:8080/iswustserver/iswust/library/borrow
request.getServerName();
System.out.println("ServerName:"+request.getServerName());
request.getServerPort();
System.out.println("ServerPort:"+request.getServerPort());
request.getContextPath();
System.out.println("ContextPath" + request.getContextPath());
request.getServletPath();
System.out.println("ServletPath" + request.getServletPath());
request.getRequestURI();
System.out.println("RequestURI" + request.getRequestURI());
request.getRequestURL();
System.out.println("RequestURL" + request.getRequestURL());
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/*String beanname = requestPath.substring(requestPath.indexOf("iswust/") + 7,
requestPath.indexOf("iswust/") + 11);*/

java中HttpServletRequest常用获取url、资源名等方法总结