jsp 得到当前的路径

 <%@   page   language="java" contentType="text/html; charset=gb2312"  import="java.io.*"%>

<%    String strAbsPath=application.getRealPath("");    strAbsPath = strAbsPath + "//";   strAbsPath = strAbsPath.replaceAll("","");  out.print("<script>alert('"+strAbsPath+"');</script>");

%>