释放双眼，带上耳机，听听看~！
-
Base64图片 -> UIImage
- (UIImage *) dataURL2Image: (NSString *) imgSrc { NSURL *url = [NSURL URLWithString: imgSrc]; NSData *data = [NSData dataWithContentsOfURL: url]; UIImage *image = [UIImage imageWithData: data]; return image; }
UIImage -> Base64图片
- (BOOL) imageHasAlpha: (UIImage *) image
{
CGImageAlphaInfo alpha =
CGImageGetAlphaInfo(image.CGImage);
return (alpha ==
kCGImageAlphaFirst ||
alpha == kCGImageAlphaLast ||
alpha == kCGImageAlphaPremultipliedFirst ||
alpha == kCGImageAlphaPremultipliedLast);
}
- (NSString *) image2DataURL: (UIImage *) image
{
NSData *imageData =
nil;
NSString *mimeType =
nil;
if ([self
imageHasAlpha: image]) {
imageData = UIImagePNGRepresentation(image);
mimeType = @"image/png";
} else {
imageData = UIImageJPEGRepresentation(image,
1.0f);
mimeType = @"image/jpeg";
}
return [NSStringstringWithFormat:@"data:%@;base64,%@", mimeType,
[imageData base64EncodedStringWithOptions:
0]];
}//头像做base64处理
NSData *originData =
UIImagePNGRepresentation(img.image);
NSData *encodeData = [GTMBase64
encodeData:originData];
NSString *encodeResult = [[NSStringalloc] initWithData:encodeData
encoding:NSUTF8StringEncoding];//头像做base64处理
NSData *originData =
UIImagePNGRepresentation(img.image);
NSData *encodeData = [GTMBase64
encodeData:originData];
NSString *encodeResult = [[NSStringalloc] initWithData:encodeData
encoding:NSUTF8StringEncoding];