bankcard-reader/dist/lib/index.js

高拍仪读取银行卡

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 { findDeviceList, readFJ, readJC } from './device'
export async function init(options) {
    const deviceOpts = parseDeviceOpts(options)
    const { debug } = deviceOpts

    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 {
        switch (device.deviceOpts.cardType) {
            case 'fj':
                ret.cardno = readFJ(device)
                break
            case 'jc':
                ret.cardno = readJC(device)
                break
            case 'auto':
                ret.cardno = readFJ(device) || readJC(device) || ''
                break
            default:
                throw new Error('cardType invalid, Should be auto|fj|jc ')
        }
    }
    catch (_a) {
        ret.cardno = ''
    }
    return Promise.resolve(ret)
}