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我有這兩種方法。我如何給他們打電話?iOS方法調用
//to base 64 string
-(NSString *)getStringFromImage:(UIImage *)image{
if(image){
NSData *dataObj = UIImagePNGRepresentation(image);
return [dataObj base64Encoding];
} else {
return @"";
}
}
//Convert back
// NSData *dataObj = [NSData dataWithBase64EncodedString:beforeStringImage];
// UIImage *beforeImage = [UIImage imageWithData:dataObj];