自动适配标签显示

@interface ViewController ()
{
NSArray *arr;
CGFloat height;
}

@end

@implementation ViewController

• (void)viewDidLoad {
  [super viewDidLoad];
  self.title = @”多标签”;
  self.view.backgroundColor = [UIColor whiteColor];

  arr = @[@”福利”,@”责任心”,@”呵呵呵呵呵呵”,@”秘密”,@”帅”,@”小小”,@”福利”,@”责任心”,@”呵呵呵呵呵呵”,@”秘密”,@”帅”,@”小小”,@”帅”,@”帅”];
  [self setLableView];
  }

• (void)setLableView
  {
  CGFloat x = 10.0f;
  CGFloat y = 74.0f;
  height = 40;
  CGFloat surplusWidth = self.view.frame.size.width-20; //剩余宽度
  CGFloat lableWidth = 0; //标签的宽度

  for (NSString *string in arr) {

   CGSize size = [string sizeWithFont:[UIFont systemFontOfSize:13] constrainedToSize: CGSizeMake(MAXFLOAT,30) lineBreakMode:NSLineBreakByWordWrapping];lableWidth = size.width+10;if (surplusWidth < lableWidth) {    y = y+40;    x = 10;    surplusWidth = self.view.frame.size.width-20;    height = height +40;}UIButton *lableBtn = [[UIButton alloc] initWithFrame:CGRectMake(x, y, lableWidth, 30)];[lableBtn setTitle:string forState:UIControlStateNormal];[lableBtn setTitleColor:[UIColor redColor] forState:UIControlStateNormal];lableBtn.backgroundColor = [UIColor blueColor];lableBtn.layer.cornerRadius = 5;lableBtn.layer.masksToBounds = YES;lableBtn.titleLabel.font = [UIFont systemFontOfSize:13];[self.view addSubview:lableBtn];x = lableWidth+10 + x;surplusWidth = surplusWidth - lableWidth -10;NSLog(@"%f",height);

  }
  }

@end