target.navigationItem.title 颜色和样式

 // this will appear as the title in the navigation bar UILabel *label = [[[UILabel alloc] initWithFrame:CGRectZero] autorelease]; label.backgroundColor = [UIColor clearColor]; label.font = [UIFont boldSystemFontOfSize:20.0]; label.shadowColor = [UIColor colorWithWhite:0.0 alpha:0.5]; label.textAlignment = NSTextAlignmentCenter; // ^-Use UITextAlignmentCenter for older SDKs. label.textColor = [UIColor yellowColor]; // change this color self.navigationItem.titleView = label; label.text = NSLocalizedString(@"PageThreeTitle", @""); [label sizeToFit];