// .js
onremovedevice() {
let deviceinfo = {
"id":0, "type":"printer", "model":"gp printer", "manufacturer":"", "name":"", "conntype":"usb",
"vid":201, "pid":202, "mac":"", "ip":"", "port":-1, "devicepath":"", "state":0,
"cmdtype":"esc"};
my.ix.removedevice({
info: json.stringify(deviceinfo),
success: (r) => {
this.setdata({message: '删除外设成功'})
},
fail: (r) => {
this.setdata({message: '删除外设失败：' json.stringify(r)})
}
});
},