2020-09-15

绝对路径：/var/mobile/Containers/Data/Application/722BEFE7-C258-4B51-A66D-037747090481/Library/Caches/com/share/img/1600071118706488.png
NSURL *url = [[NSURL fileURLWithPath:@"/var/mobile/Containers/Data/Application/722BEFE7-C258-4B51-A66D-037747090481/Library/Caches/com/share/img/1600071118706488.png"] fileReferenceURL];
相对路径：
url: file:///.file/id=16777218.3805960