servlet、jsp中获得项目绝对路径

servlet中获得项目绝对路径String filePath=this.getServletConfig().getServletContext().getRealPath("/");根目录所对应的绝对路径:request.getServletPath();文件的绝对路径 :request.getSession().getServletContext().getRealPath(request.getRequestURI())当前web应用的绝对路径 :servletConfig.getServletContext().getRealPath("/");ServletContext对象获得几种方式：Javax.servlet.http.HttpSession.getServletContext()Javax.servlet.jsp.PageContext.getServletContext()Javax.servlet.ServletConfig.getServletContext()文件的绝对路径 :request.getSession().getServletContext().getRealPath(request.getRequestURI())当前web应用的绝对路径 :servletConfig.getServletContext().getRealPath("/");