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src/views/sales/Customer/components/createForm.vue

@@ -615,6 +615,19 @@
           })
           return
         }
+        let arr = []
+        dataBank.forEach(v => {
+          if (v.defaultSign == 'Y') {
+            arr.push(v)
+          }
+        })
+        if (arr.length > 1 || !arr.length) {
+          notification.warning({
+            message: 'Tip',
+            description: '默认银行有且仅有一个'
+          })
+          return
+        }
         let arrCertificate = JSON.parse(JSON.stringify(dataCertificate))
         arrCertificate.forEach(v => {
           v.dateFrom =  v.dateFrom ? dayjs(v.dateFrom ).format('YYYY-MM-DD HH:mm:ss') : '';