1 .pdf    web  AppEmbed    rtsp   DLL    index
2.打开网络,默认保存上传 {"emit":"open","Obj":"pdf","AppType":1,"AppFollow":31,"src":[["https://cdn.jsdelivr.net/gh/appemit/AppemitWeb@master/docs/demo/file/p1.pdf","p1.pdf"]],"pos":1,"par0":{"objName":"pdf","show_UpdateTool":true}}
close : {"emit":"close","Obj":"pdf","AppId":1,"par0":{}} or {"emit":"closeAll","Obj":"pdf","par0":{}}