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您知道，例如com.apple.safari.bookmarkSafari 书签或com.apple.ical.icsiCal 日历。
com.apple.safari.bookmark
com.apple.ical.ics
谢谢。
它没有定义。由 plist 编辑器打开/Application/Safari.app/Contents/Info.plist并检查导出的 UTI 列表。或者您可以使用命令行直接检查 LaunchServices 数据库
/Application/Safari.app/Contents/Info.plist
/System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/LaunchServices.framework/Versions/A/Support/lsregister