读卡器：德卡D3
m1CardTest() {
// 初始化设置usb口通信，生成状态码
rd.dc_init(100, 115200);
// 设备状态码大于0正常
console.log("设备状态："+rd.dc_init(100, 115200));
// 寻卡
var snrlen
rd.dc_card(0,snrlen)
rd.dc_config_card(65);
rd.dc_card_double(0);
// 鸣蜂
rd.dc_beep(5);
// 卡号正码转反码 rd.get_bstrRBuffer_asc UID
// 转码参考 https://blog.csdn.net/frank_fong/article/details/86483135
let a = rd.get_bstrRBuffer_asc.split('');
let b = [];
a.forEach((item, index) => {
if (!(index % 2)) {
b.push(a[index] + a[index + 1] + '');
}
});
let c = b.reverse().join('');
console.log("反码："+c)
this.form.cardSn = parseInt(c,16)
console.log("转10进制："+parseInt(c,16))
}
