// 64base字符串转图片
- (UIImage *)stringToImage:(NSString *)str
{
NSData * imageData =[[NSData alloc] initWithBase64EncodedString:str options:NSDataBase64DecodingIgnoreUnknownCharacters];
UIImage *photo = [UIImage imageWithData:imageData ];
return photo;
}
// 图片转64base字符串
- (NSString *)imageToString:(UIImage *)image
{
NSData *imagedata = UIImagePNGRepresentation(image);
NSString *image64 = [imagedata base64EncodedStringWithOptions:NSDataBase64Encoding64CharacterLineLength];
return image64;
}