NSData转换为UIImage
NSData*imageData =UIImagePNGRepresentation(image);
UIImage*image=[UIImage imageWithData:data];
UIImage转换为NSData
UIImage*img = [UIImage imageNamed:@"image.png"];
NSData*data1 =UIImagePNGRepresentation(img);
NSData转换为UIImage
NSData*imageData =UIImagePNGRepresentation(image);
UIImage*image=[UIImage imageWithData:data];
UIImage转换为NSData
UIImage*img = [UIImage imageNamed:@"image.png"];
NSData*data1 =UIImagePNGRepresentation(img);