【IOS】UILabel 属性及方法
label.lineBreakMode = NSLineBreakByTruncatingTail; //文尾省略号 label.font = [UIFont fontWithName:@"AvenirNext-Bold" size:12]; //字体 label.numberOfLines = 1; //行数 label.textAlignment = NSTextAlignmentLeft; /NSTextAlignmentCenter //字体位置 //混合样式的文字 UIColor* textColor = [UIColor whiteColor]; NSString *text = [NSString stringWithFormat:@"%d/%d",index,count]; NSMutableAttributedString *str = [[NSMutableAttributedString alloc] initWithString:text]; [str addAttribute:NSForegroundColorAttributeName value:textColor range:NSMakeRange(0,1)]; [str addAttribute:NSFontAttributeName value:[UIFont fontWithName:@"AvenirNext-Bold" size:30.0] range:NSMakeRange(0, 1)]; [str addAttribute:NSFontAttributeName value:[UIFont fontWithName:@"AvenirNext-DemiBold" size:15.0] range:NSMakeRange(1, 1)]; [str addAttribute:NSFontAttributeName value:[UIFont fontWithName:@"AvenirNext-DemiBold" size:10.0] range:NSMakeRange(2, (text.length - 2))]; label.attributedText = str; //配合设置label的size,可以设置背景为圆角矩形 label.layer.masksToBounds = YES; label.layer.cornerRadius = 2; //圆角半径 label.layer.borderWidth = 0; // - (CGSize)sizeWithString:(NSString *)string font:(UIFont *)font { CGRect rect = [string boundingRectWithSize:CGSizeMake(320, 8000)//限制最大的宽度和高度 options:NSStringDrawingTruncatesLastVisibleLine | NSStringDrawingUsesFontLeading |NSStringDrawingUsesLineFragmentOrigin//采用换行模式 attributes:@{NSFontAttributeName: font}//传人的字体字典 context:nil]; return rect.size; }