标签：style class blog code http ext
UILabel *label = [[UILabel alloc] initWithFrame:CGRectMake(320/2.0 - 140/2.0, 80, 140, 40)]; label.text = @"Hello World"; label.backgroundColor = [UIColor cyanColor]; label.textAlignment = NSTextAlignmentCenter; [self.window addSubview:label];
标签：style class blog code http ext
原文地址：http://www.cnblogs.com/jzm17173/p/3787861.html
