摘要：
//这个方法是把一张UIImage压缩成newSize的尺寸-(UIImage*)imageWithImageSimple:(UIImage*)image scaledToSize:(CGSize)newSize{ UIGraphicsBeginImageContext(newSize); [image drawInRect:CGRectMake(0,0,newSize.width,newSize.height)]; UIImage* newImage = UIGraphicsGetImageFromCurrentImageContext(); UIGraphicsEndImageCo... 阅读全文
摘要：
从网上查的，非常方便的排序api，功能也很强大1.sortedArrayUsingSelector（按Key值大小对NSDictionary排序）NSMutableArray *array = [NSMutableArray arrayWithObjects: [NSDictionary dictionaryWithObjectsAndKeys:@"Obj0", [NSNumber numberWithInt:0], nil], [NSDictionary dictionaryWit... 阅读全文