jsp ɾ³ýͬһÀàÐ͵ÄÎļþÎÊÌâ¡£

File f=new File("c:/"+2+"-*.*");
f.delete();

ÏëÒ»´Îɾ³ýcÅÌÏ 2-1.doc, 2-2.xls ,2-3.jpg
Ö»ÒªÎļþÃûÇ°´ø 2-  µÄȫɾ³ý¡£ÕâÑùдÊÇ·ñÄÜɾ³ý¡£ÉÏÃæFile ÖÐÊÇ·ñ¿ÉÒÔʹÓÃͨÅä·û¡£

---

Java code:

File file = new File("c:/");
File[] files = file.listFiles(new FileFilter(){
public boolean accept(File pathname){
if(pathname.getName().startsWith("2-"))
return true;
return false;
}
});
for(int i = 0,l = files.length; i < l ; i ++){
if(files[i].canRead() && files[i].isFile()){
files[i].delete();
}
}

---

ÒýÓÃ

Java code
File file=new File("c:/");
        File[] files= file.listFiles(new FileFilter(){publicboolean accept(File pathname){if(pathname.getName().startsWith("2-"))returntrue;returnfalse;
          ?-

ÒÔÉÏÕâ¶ÎдÔÚjspÒ³Ãæ <%    %>  Öб¨ÒÔÏ´íÎóÊÇÔõô»ØÊ£¿
C:\Tomcat5.0\work\Catalina\localhost\_\org\apache\jsp\sjsys\sjbg_005fmod_jsp.java:380: cannot resolve symbol
symbol  : class FileFilter
location: class org.apache.jsp.sj