// res 可能会为空，没选择 res.url RNSystemFileBrower.openFileBrower().then(res => { console.log(res) }) // 参数types 可以为空 安卓和iOS不一样 iOS添加data RNSystemFileBrower.openFileBrower({ types: Platform.OS === 'ios' ? ["com.adobe.pdf"] : ["application/pdf"] }).then(res => { console.log(res) }) // iOS默认 types const types = [ "public.data", "com.microsoft.powerpoint.ppt", "com.microsoft.word.doc", "com.microsoft.excel.xls", "com.microsoft.powerpoint.pptx", "com.microsoft.word.docx", "com.microsoft.excel.xlsx", "public.avi", "public.3gpp", "public.mpeg-4", "com.compuserve.gif", "public.jpeg", "public.png", "public.plain-text", "com.adobe.pdf" ] // android 默认 types // video/* image/* const types = ["*/*"] /* image/jpeg audio/mpeg4-generic text/html audio/mpeg audio/aac audio/wav audio/ogg audio/midi audio/x-ms-wma video/mp4 video/x-msvideo video/x-ms-wmv image/png image/jpeg image/gif 以下是常用文件 如要选择xml 给与types为["text/xml"] .xml -> text/xml .txt -> text/plain .cfg -> text/plain .csv -> text/plain .conf -> text/plain .rc -> text/plain .htm -> text/html .html -> text/html .pdf -> application/pdf .apk -> application/vnd.android.package-archive DOC = “application/msword” DOCX = “application/vnd.openxmlformats-officedocument.wordprocessingml.document” XLS = “application/vnd.ms-excel application/x-excel”; XLSX = “application/vnd.openxmlformats-officedocument.spreadsheetml.sheet”; PPT = “application/vnd.ms-powerpoint”; PPTX = “application/vnd.openxmlformats-officedocument.presentationml.presentation”;  .doc application/msword .dot application/msword  .docx application/vnd.openxmlformats-officedocument.wordprocessingml.document .dotx application/vnd.openxmlformats-officedocument.wordprocessingml.template .docm application/vnd.ms-word.document.macroEnabled.12 .dotm application/vnd.ms-word.template.macroEnabled.12  .xls application/vnd.ms-excel .xlt application/vnd.ms-excel .xla application/vnd.ms-excel  .xlsx application/vnd.openxmlformats-officedocument.spreadsheetml.sheet .xltx application/vnd.openxmlformats-officedocument.spreadsheetml.template .xlsm application/vnd.ms-excel.sheet.macroEnabled.12 .xltm application/vnd.ms-excel.template.macroEnabled.12 .xlam application/vnd.ms-excel.addin.macroEnabled.12 .xlsb application/vnd.ms-excel.sheet.binary.macroEnabled.12  .ppt application/vnd.ms-powerpoint .pot application/vnd.ms-powerpoint .pps application/vnd.ms-powerpoint .ppa application/vnd.ms-powerpoint  .pptx application/vnd.openxmlformats-officedocument.presentationml.presentation .potx application/vnd.openxmlformats-officedocument.presentationml.template .ppsx application/vnd.openxmlformats-officedocument.presentationml.slideshow .ppam application/vnd.ms-powerpoint.addin.macroEnabled.12 .pptm application/vnd.ms-powerpoint.presentation.macroEnabled.12 .potm application/vnd.ms-powerpoint.template.macroEnabled.12 .ppsm application/vnd.ms-powerpoint.slideshow.macroEnabled.12  .mdb application/vnd.ms-access  */