- //这个frame是初设的,没关系,后面还会重新设置其size。
- UILabel *label = [[UILabel alloc] initWithFrame:CGRectMake(0,0,0,0)];
- label.numberOfLines = 0;
- label.backgroundColor = [UIColor clearColor];
- NSDictionary *attributes = @{NSFontAttributeName:[UIFont systemFontOfSize:20],};
- NSString *str = @"abcdefg你上课可是你的拿到了";
- CGSize textSize = [str boundingRectWithSize:CGSizeMake(100, 100) options:NSStringDrawingTruncatesLastVisibleLine attributes:attributes context:nil].size;;
- [label setFrame:CGRectMake(100, 100, textSize.width, textSize.height)];
- label.textColor = [UIColor greenColor];
- label.text = str;
- [self.view addSubview:label];
来源: http://www.phpxs.com/code/1005482/