图片类型
imgType: [
"image/png",
"image/x-png",
"image/jpeg",
"image/jpg",
"image/pjpeg",
], //图片类型
文档类型
txtType: [
".txt",
"text/plain",
".doc",
"application/msword",
".docx",
"application/vnd.openxmlformats-officedocument.wordprocessingml.document",
".ppt",
"application/vnd.ms-powerpoint",
".pptx",
"application/vnd.openxmlformats-officedocument.presentationml.presentation",
".xlsx",
"application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",
".xls",
"application/vnd.ms-excel",
".pdf",
"application/pdf",
], //文档类型
视频类型
videoType: [".mp3", "audio/mpeg", ".mp4", "video/mp4"], //视频类型
压缩包类型
zipType: [".zip", "application/zip", ".7z", ".rar", ""], //压缩包类型