add: 加入读卡api

src/services/idcard.js

+import IDCard from '../native/IDCard';
+import { tryIt } from '../utils/helper';
+
+export const scan = async () => {
+  try {
+    await IDCard.open();
+    await tryIt(10, async () => IDCard.authenticate(150), 10);
+    return await tryIt(10, async () => IDCard.read(2300), 10);
+  } finally {
+    await IDCard.close();
+  }
+};

src/utils/helper.js

@@ -117,3 +117,20 @@ export function filterValidParams(params) {
   return _.pickBy(params, _.negate(_.isUndefined));
 }
 
+export async function tryIt(times, cb, delay) {
+  let err;
+  for (let i = 0; i < times; ++i) {
+    try {
+      return await cb();
+    } catch (e) {
+      err = e;
+    }
+    if (delay) {
+      await sleep(delay);
+    }
+  }
+  if (err) {
+    throw err;
+  }
+};
+