OC过期方法／属性替换汇总

1.sizeWithFont.(iOS7.0废除) - > sizeWithAttributes

　　

 　(1)　CGSize size = CGSizeZero;

        size = [title sizeWithFont:[UIFont systemFontOfSize:15]];  -->

        size  = [title sizeWithAttributes:@{NSFontAttributeName : [UIFont systemFontOfSize:15]}];

 

　　　

 　(2)CGSize size =[value sizeWithFont:[UIFont systemFontOfSize:fontSize] constrainedToSize:CGSizeMake(CGFLOAT_MAX,height) lineBreakMode:NSLineBreakByWordWrapping];   -->

 　　NSAttributedString *attributedText =[[NSAttributedString alloc] initWithString:value attributes:@{NSFontAttributeName: [UIFont systemFontOfSize:fontSize]}];

       CGRect rect = [attributedText boundingRectWithSize:CGSizeMake(CGFLOAT_MAX, height)

                                               options:NSStringDrawingUsesLineFragmentOrigin

                                               context:nil];

       CGSize size = rect.size;

 

2.label.lineBreakMode = UILineBreakModeWordWrap; （iOS6.0废除）-->

label.lineBreakMode = NSLineBreakByWordWrapping;