計算label的寬度
CGSize size=[_itemNamelabel.text sizeWithAttributes:@{NSFontAttributeName : [UIFont boldSystemFontOfSize:17]}];
size.width
計算label的高度
CGSize size = [self.personalRecommendLabel sizeThatFits:CGSizeMake(width, MAXFLOAT)];
size.height
計算label的寬度
CGSize size=[_itemNamelabel.text sizeWithAttributes:@{NSFontAttributeName : [UIFont boldSystemFontOfSize:17]}];
size.width
計算label的高度
CGSize size = [self.personalRecommendLabel sizeThatFits:CGSizeMake(width, MAXFLOAT)];
size.height