JAVA拷贝

Java代码

/*
*Tochangethistemplate,chooseTools|Templates
*andopenthetemplateintheeditor.
*/

 packagecn.lsd;

 importjava.io.File;
 importjava.io.FileInputStream;
 importjava.io.FileNotFoundException;
 importjava.io.FileOutputStream;
 importjava.io.IOException;
 importjava.util.logging.Level;
 importjava.util.logging.Logger;

 /**
*
*@date2008-11-26
*@authorlsd
*/
 publicclassCpp{
 privateStringsourceFile;
 privateStringdestFile;

 publicCpp(StringsourceFile,StringdestFile){
 this.sourceFile=sourceFile;
 this.destFile=destFile;
doCopy();
}

 privatevoiddoCopy(){
 FileInputStreamin=null;
 FileOutputStreamout=null;
 byte[]buffer=newbyte[102400];
 try{
 in=newFileInputStream(this.sourceFile);
 Filedest=newFile(this.destFile);
 if(!dest.exists()){//目标文件对应的目录不存在，创建新的目录
 intindex=newString(this.destFile).lastIndexOf("/");
 Stringpath=this.destFile.substring(0,index);
 newFile(path).mkdirs();
}
 out=newFileOutputStream(this.destFile);
 intnum=0;
 while((num=in.read(buffer))!=-1){
 out.write(buffer,0,num);
}
 }catch(FileNotFoundExceptionex){
 Logger.getLogger(Cpp.class.getName()).log(Level.SEVERE,null,ex);
 }catch(IOExceptione){
 Logger.getLogger(Cpp.class.getName()).log(Level.SEVERE,null,e);
 }finally{
 try{
 if(in!=null)
in.close();
 if(out!=null)
out.close();
 }catch(IOExceptionex){
 Logger.getLogger(Cpp.class.getName()).log(Level.SEVERE,null,ex);
}

}
}

 publicstaticvoidmain(String[]args){
 StringsourceFile="d:/颐和园yhy[小新奉献].rmvb";
 StringdestFile="D:/s/sd/1.rmvb";
 longstartTime=System.currentTimeMillis();
 System.out.println("starttocopy");
 Cppc=newCpp(sourceFile,destFile);
 longendTime=System.currentTimeMillis();
 longtime=(endTime-startTime)/1000;
 System.out.println("copyend;cost:"+time);
}

}