如何计算uilabel里面文字的行数

Question

如何计算uilabel里面文字的行数

Answer 1

CGFloat labelHeight = [self.testLabel sizeThatFits:CGSizeMake(self.testLabel.frame.size.width, MAXFLOAT)].height;
NSNumber *count = @((labelHeight) / self.testLabel.font.lineHeight);
NSLog(@"共 %td 行", [count integerValue]);