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//-----------class copyfile begin---------
//class copyfile
//copyright:writed by yun-fengsheng
//last modify time:2001-11-16
//method: public boolean copy(string from_filename,string to_filename)
class copyfile
{
public boolean copy(string file1,string file2)
{
try //must try and catch,otherwide will compile error
{
//instance the file as file_in and file_out
java.io.file file_in=new java.io.file(file1);
java.io.file file_out=new java.io.file(file2);
fileinputstream in1=new fileinputstream(file_in);
fileoutputstream out1=new fileoutputstream(file_out);
byte[] bytes=new byte[1024];
int c;
while((c=in1.read(bytes))!=-1)
out1.write(bytes,0,c);
in1.close();
out1.close();
return(true); //if success then return true
}
catch(exception e)
{
system.out.println("error!");
return(false); //if fail then return false
}
}
}
//class copyfile example
/*
copyfile copy1=new copyfile();
boolean copy_ok=copy1.copy("c:/hello.jsp","c:/hello_backup.jsp");
if(copy_ok)
{
out.println("拷贝成功！");
}
else
{
out.println("拷贝失败！");
}
*/
//-----------class copyfile end-----------
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