iLeichun

//在Servlet与JSP中取得当前文件所在的相对路径与绝对路径
 
  //JSP中

  out.println("根目录所对应的绝对路径:" + request.getRequestURI() + "<br/>");
 
  String strPathFile = application.getRealPath(request.getRequestURI());
  out.println("文件的绝对路径:" + strPathFile+ "<br/>");
out.println(application.getRealPath(request.getRequestURI()));
  String strDirPath = new File(application.getRealPath(request.getRequestURI())).getParent();
  out.println("目录的绝对路径:" + strDirPath + "<br/>");

  //Servlet中
  //JSP中的application对象就是Servlet中的ServerContext，所以在Servlet中是如此获得
  //import java.io.File;

System.out.println("根目录所对应的绝对路径:" + request.getServletPath() + "<br/>");

String strPathFile = request.getSession().getServletContext().getRealPath(request.getRequestURI());
System.out.println("文件的绝对路径:" + strPathFile + "<br/>");

String strDirPath = new File(request.getSession().getServletContext().getRealPath(request.getRequestURI())).getParent();
System.out.println("目录的绝对路径:" + strDirPath + "<br/>");

  文件名不能包括以下字符：/:*?"<>|

获取Web项目的全路径
String strDirPath = getServletContext().getRealPath("/");