| 内容 | 在类中,进行编辑下面的代码:
 nslog(@main thread begin...);
 [self performselectorinbackground:@selector(dosomething:) withobject:nil];
 nslog(@main thread end.....);
 - (void) dosomething:(id)sender
 {
 nslog( @one thread begin... );
 nsautoreleasepool *pool = [[nsautoreleasepool alloc] init];
 for (int i=0; i<self.starname_final.count; i++) {
 [self savetodatabase:[starname_final objectatindex:i]];
 }
 nslog( @one thread end... );
 [pool release];
 }
 |