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下面这样 query 查到的是 AVObject,没有转换为AVFile,像下面这样强转会崩溃报错找不到对象。
AVQuery *query = [AVQuery queryWithClassName:@"_File"];
[query findObjectsInBackgroundWithBlock:^(NSArray objects, NSError error) {
AVFile *file =[objects firstObject];
[file deleteWithCompletionHandler:^(BOOL succeeded, NSError * _Nullable error) {
}];
}];
使用的时候还需像下面这样转换一下。
AVObject *obj =[objects firstObject];
AVFile *file = [AVFile fileWithAVObject:obj];
[file deleteWithCompletionHandler:^(BOOL succeeded, NSError * _Nullable error) {
}];
不清楚 SDK 就是这样设计的,还是 SDK 的 Bug。 @zapcannon87
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