IOS 如何保存图片到document实例

作者：朱克锋

邮箱：[e-mail]

转载请注明出处：http://blog.csdn.net/linux_zkf

- (NSString *) findUniqueSavePath

{

int i =1;

NSString *path; 

do {

    path = [NSStringstringWithFormat:@"%@/Documents/IMAGE_%04d.PNG",NSHomeDirectory(), i++];

} while ([[NSFileManagerdefaultManager] fileExistsAtPath:path]);

return path;

}

- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info

{

UIImage *image = [infoobjectForKey:@"UIImagePickerControllerOriginalImage"];

[selfdismissModalViewControllerAnimated:YES];

[picker release];

[UIImagePNGRepresentation(image)writeToFile:[selffindUniqueSavePath] atomically:YES];

}