INFO

pages3/uni_modules/uni-id-pages/common/check-id-card.js

@@ -0,0 +1,16 @@
+function checkIdCard (idCardNumber) {
+  if (!idCardNumber || typeof idCardNumber !== 'string' || idCardNumber.length !== 18) return false
+
+  const coefficient = [7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2]
+  const checkCode = [1, 0, 'x', 9, 8, 7, 6, 5, 4, 3, 2]
+  const code = idCardNumber.substring(17)
+
+  let sum = 0
+  for (let i = 0; i < 17; i++) {
+    sum += Number(idCardNumber.charAt(i)) * coefficient[i]
+  }
+
+  return checkCode[sum % 11].toString() === code.toLowerCase()
+}
+
+export default checkIdCard