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<html>
<head>
<title>ÎļþµÄ½¨Á¢¡¢¼ì²éÓëɾ³ý</title>
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<body>
<%
String path=request.getRealPath("");
//out.println(path);
File f=new File(path,"File.txt");
//out.println(f);
//out.println(f.exists());
if(f.exists()){//¼ì²éFile.txtÊÇ·ñ´æÔÚ
f.delete();//ɾ³ýFile.txtÎļþ
out.println(path + "\\File.txt ´æÔÚ£¬ÒÑɾ³ý¡£");
}else{
f.createNewFile();//ÔÚµ±Ç°Ä¿Â¼Ï½¨Á¢Ò»¸öÃûΪFile.txtµÄÎļþ
out.println(path + "\\File.txt ²»´æÔÚ£¬Òѽ¨Á¢¡£");//Êä³öĿǰËùÔÚµÄĿ¼·¾¶
}
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<%@ page import="java.io.*"%>
<html>
<head>
<title>Ŀ¼µÄ½¨Á¢/¼ì²éÓëɾ³ý</title>
</head>
<body>
<%
String path=request.getRealPath("");
path=path + "\\Sub";//½«Òª½¨Á¢µÄĿ¼·¾¶
File d=new File(path);//½¨Á¢´ú±íSubĿ¼µÄFile¶ÔÏ󣬲¢µÃµ½ËüµÄÒ»¸öÒýÓÃ
if(d.exists()){//¼ì²éSubĿ¼ÊÇ·ñ´æÔÚ
d.delete();
out.println("SubĿ¼´æÔÚ£¬ÒÑɾ³ý");
}else{
d.mkdir();//½¨Á¢SubĿ¼
out.println("SubĿ¼²»´æÔÚ£¬Òѽ¨Á¢");
}
%>
</body>
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<%@ page import="java.io.*"%>
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<title>JSPÖÐÈçºÎ´¦ÀíÐéÄâĿ¼</title>
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È¡µÃÐéÄâĿ¼¶ÔÓ¦µÄ´ÅÅÌ·¾¶<br>
WebÕ¾µãÖ÷Ŀ¼µÄλÖÃΪ<font color=#ff0000><%=request.getRealPath("/")%></font><br>
JSPÍøÒ³ËùÔÚµÄĿ¼λÖÃ<font color=#ff0000><%=request.getRealPath("./")%></font><br>
JSPÍøÒ³ËùÔÚĿ¼ÉÏÒ»²ãĿ¼µÄλÖÃ<font color=#ff0000><%=request.getRealPath("../")%></font><br>
</body>
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import java.io.File;
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