保存图片的字符串local
NSString*localIdentifier = asset.localIdentifier;
通过local获取asset
PHFetchResult *fetchResult = [PHAssetfetchAssetsWithLocalIdentifiers:@[str]options:nil];
PHAsset *asset = fetchResult.firstObject;
保存图片的字符串local
NSString*localIdentifier = asset.localIdentifier;
通过local获取asset
PHFetchResult *fetchResult = [PHAssetfetchAssetsWithLocalIdentifiers:@[str]options:nil];
PHAsset *asset = fetchResult.firstObject;