短视频平台开发，将图片、视频保存到本地的相册中

短视频平台开发，将图片、视频保存到本地的相册中实现的相关代码

获取本地相册

- (IBAction)goodsButton1Touch:(id)sender {<br>    //拿到获取相册的权限<br>    if([UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypeSavedPhotosAlbum]){<br>        UIImagePickerController *pic = [[UIImagePickerController alloc] init];<br>        pic.sourceType = UIImagePickerControllerSourceTypeSavedPhotosAlbum;<br>        pic.delegate = self;<br>        [self presentViewController:pic animated:YES completion:nil];<br>    }<br>}<br>//点击相片后会跑这个方法<br>-(void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary<NSString *,id> *)info<br>{<br>    //拿到图片会就销毁之前的控制器<br>    [picker dismissViewControllerAnimated:YES completion:nil];<br>    //info中就是包含你在相册里面选择的图片(info字典里面还有图片的url-有需要的可以将info打印出来取自己要的数据)<br>    UIImage *image = info[UIImagePickerControllerOriginalImage];<br>    [self.goodsImage1 setImage:image];<br>}

存进本地相册

UIImageWriteToSavedPhotosAlbum(image, self, @selector(image:didFinishSavingWithError:contextInfo:), NULL);<br>//第三个参数可以执行回调，但是一般执行这个方法<br>//contextInfo 为函数的第四个参数，设置完可以在回调中调用到<br>-(void)image:(UIImage *)image didFinishSavingWithError:(NSError *)error contextInfo:(void *)contextInfo{<br>NSLog(@"保存完成");<br> }

截图

//开启上下文<br>UIGraphicsBeginImageContextWithOptions(self.view.bounds.size,NO,0);<br>//获取当前的图片类型上下文<br>CGContextRef ctx = UIGraphicsGetCurrentContext();<br>//截图 把view放到上下文<br>[self.view.layer renderInContext:ctx];<br>//关闭上下文<br>UIGraphicsEndImageContext();  <br> 

保存视频

//#import <Photos/Photos.h><br>PHPhotoLibrary *photoLibrary = [PHPhotoLibrary sharedPhotoLibrary];<br>[photoLibrary performChanges:^{<br>    [PHAssetChangeRequest creationRequestForAssetFromVideoAtFileURL:[NSURL<br>fileURLWithPath:item.savePath]];<br>} completionHandler:^(BOOL success, NSError * _Nullable error) {<br>    if (success) {<br>        NSLog(@"已将视频保存至相册");<br>    } else {<br>        NSLog(@"未能保存视频到相册");<br>    }<br>}];

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