//2.0-7.0的方法
//CGSizesize=[text sizeWithFont:[UIFont systemFontOfSize:14]constrainedToSize:CGSizeMake(300, 1000)]
//__________7.0之后的方法_____
//接收单元格每行的文本
NSString*text=[_fonts objectAtIndex:indexPath.row];
NSMutableParagraphStyle *paragraphStyle =[[[NSMutableParagraphStyle alloc]init] autorelease];
paragraphStyle.lineBreakMode = NSLineBreakByWordWrapping;
NSDictionary*attributes = @{NSFontAttributeName:[UIFont systemFontOfSize:14],NSParagraphStyleAttributeName:paragraphStyle.copy};
CGSize size=[text boundingRectWithSize:CGSizeMake(207, 999)options:NSStringDrawingUsesLineFragmentOrigin attributes:attributescontext:nil].size;
returnsize.height+20;
//CGSizesize=[text sizeWithFont:[UIFont systemFontOfSize:14]constrainedToSize:CGSizeMake(300, 1000)]
//__________7.0之后的方法_____
//接收单元格每行的文本
NSString*text=[_fonts objectAtIndex:indexPath.row];
NSMutableParagraphStyle *paragraphStyle =[[[NSMutableParagraphStyle alloc]init] autorelease];
paragraphStyle.lineBreakMode = NSLineBreakByWordWrapping;
NSDictionary*attributes = @{NSFontAttributeName:[UIFont systemFontOfSize:14],NSParagraphStyleAttributeName:paragraphStyle.copy};
CGSize size=[text boundingRectWithSize:CGSizeMake(207, 999)options:NSStringDrawingUsesLineFragmentOrigin attributes:attributescontext:nil].size;
returnsize.height+20;
本文深入探讨了Swift编程语言在iOS应用开发中的核心技巧,包括面向对象编程、函数式编程、事件驱动编程等现代编程范式。通过实例分析,读者可以掌握如何利用这些技巧提高代码质量和效率。
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