iOS

记录一个小功能

app传base64位上去，服务器拿到后转图片保存，当app请求拿回用户图片时，服务器再把图片转base64字符串返回给app，app再转图片

// 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;

}

http://picbase64.com/

http://tool.css-js.com/base64.html