//自适应高度
CGRect rect = [self.textLabel.text boundingRectWithSize:CGSizeMake(SCREENWIDTH - 20, MAXFLOAT) options:NSStringDrawingUsesLineFragmentOrigin|NSStringDrawingUsesFontLeading attributes:@{NSFontAttributeName: self.textLabel.font} context:nil];
self.textLabel.frame = CGRectMake(5, 5, SCREENWIDTH - 20, rect.size.height);
//使text的间距放大
NSMutableAttributedString * attributedString1 = [[NSMutableAttributedString alloc] initWithString:self.textLabel.text];
NSMutableParagraphStyle * paragraphStyle1 = [[NSMutableParagraphStyle alloc] init];
[paragraphStyle1 setLineSpacing:7];
[attributedString1 addAttribute:NSParagraphStyleAttributeName value:paragraphStyle1 range:NSMakeRange(0, [self.textLabel.text length])];
[self.textLabel setAttributedText:attributedString1];
[self.textLabel sizeToFit];
