分销认证新增 银行开户行 银行开户名 银行账号

utils/Foundation.js

@@ -9,6 +9,69 @@
  * randomString  随机生成指定长度的字符串
  */
 
+/**
+ * 验证银行卡号
+ */
+export function checkBankno(bankno) {
+  var lastNum = bankno.substr(bankno.length - 1, 1); //取出最后一位（与luhm进行比较）
+  var first15Num = bankno.substr(0, bankno.length - 1); //前15或18位
+  var newArr = [];
+
+  for (var i = first15Num.length - 1; i > -1; i--) {
+    //前15或18位倒序存进数组
+    newArr.push(first15Num.substr(i, 1));
+  }
+
+  var arrJiShu = []; //奇数位*2的积 <9
+  var arrJiShu2 = []; //奇数位*2的积 >9
+  var arrOuShu = []; //偶数位数组
+  for (var j = 0; j < newArr.length; j++) {
+    if ((j + 1) % 2 == 1) {
+      //奇数位
+      if (parseInt(newArr[j]) * 2 < 9) arrJiShu.push(parseInt(newArr[j]) * 2);
+      else arrJiShu2.push(parseInt(newArr[j]) * 2);
+    } //偶数位
+    else arrOuShu.push(newArr[j]);
+  }
+
+  var jishu_child1 = []; //奇数位*2 >9 的分割之后的数组个位数
+  var jishu_child2 = []; //奇数位*2 >9 的分割之后的数组十位数
+  for (var h = 0; h < arrJiShu2.length; h++) {
+    jishu_child1.push(parseInt(arrJiShu2[h]) % 10);
+    jishu_child2.push(parseInt(arrJiShu2[h]) / 10);
+  }
+
+  var sumJiShu = 0; //奇数位*2 < 9 的数组之和
+  var sumOuShu = 0; //偶数位数组之和
+  var sumJiShuChild1 = 0; //奇数位*2 >9 的分割之后的数组个位数之和
+  var sumJiShuChild2 = 0; //奇数位*2 >9 的分割之后的数组十位数之和
+  var sumTotal = 0;
+  for (var m = 0; m < arrJiShu.length; m++) {
+    sumJiShu = sumJiShu + parseInt(arrJiShu[m]);
+  }
+  for (var n = 0; n < arrOuShu.length; n++) {
+    sumOuShu = sumOuShu + parseInt(arrOuShu[n]);
+  }
+  for (var p = 0; p < jishu_child1.length; p++) {
+    sumJiShuChild1 = sumJiShuChild1 + parseInt(jishu_child1[p]);
+    sumJiShuChild2 = sumJiShuChild2 + parseInt(jishu_child2[p]);
+  }
+  //计算总和
+  sumTotal =
+    parseInt(sumJiShu) +
+    parseInt(sumOuShu) +
+    parseInt(sumJiShuChild1) +
+    parseInt(sumJiShuChild2);
+  //计算Luhm值
+  var k = parseInt(sumTotal) % 10 == 0 ? 10 : parseInt(sumTotal) % 10;
+  var luhm = 10 - k;
+  if (lastNum == luhm) {
+    return true;
+  } else {
+    return false;
+  }
+}
+
 /**
  * 登录后跳转判断
  * 计算出当前router路径
@@ -154,12 +217,11 @@ export function countTimeDown(seconds) {
   };
 }
 
-
 function navigationToBack(type) {
   if (type == "wx") {
     // console.log(getCurrentPages().length - 3)
     uni.navigateBack({
-      delta: getCurrentPages().length ,
+      delta: getCurrentPages().length,
     });
   } else {
     uni.switchTab({
@@ -194,4 +256,5 @@ module.exports = {
   countTimeDown,
   theNextDayTime,
   whetherNavigate,
+  checkBankno,
 };