@luoxiao123/bankcard-reader-start/dist/lib/index.js

实达三合一读卡器 读银行卡

import { parseDeviceOpts, } from '@waiting/bankcard-reader-base'
import { info } from '@waiting/log'
import { setPathDirectory, validateDllFile, } from '@waiting/shared-core'
import * as ffi from 'ffi'
import { dllFuncs, } from './config'
import { disconnectDevice, findDeviceList, readIC, readMC } from './device'
export async function init(options) {
    const deviceOpts = parseDeviceOpts(options)
    const { debug } = deviceOpts

    info('开始实达设备')
    if (debug) {
        info(deviceOpts)
    }
    await validateDllFile(deviceOpts.dllTxt)
    if (deviceOpts.dllSearchPath) {
        setPathDirectory(deviceOpts.dllSearchPath)
    }
    const apib = ffi.Library(deviceOpts.dllTxt, dllFuncs)
    const devices = findDeviceList(deviceOpts, apib)

    if (devices && devices.length) {
        return devices
    }
    else {
        throw new Error('未找到读卡设备')
    }
}
/** Read card data */
export function read(device) {
    const ret = {
        cardno: '',
    }

    try {
        ret.cardno = readIC(device) || readMC(device) || ''
    }
    catch (err) {
        ret.cardno = ''
    }
    try {
        disconnectDevice(device)
    }
    catch (ex) {
        throw ex
    }
    return Promise.resolve(ret)
}