更新有赚绑定银行卡逻辑判断 review by sunkai

@@ -60,7 +60,13 @@ export default class BankCard extends Component {
 
         let bankBranch = this.state.bankBranch;
         if (!bankBranch || !bankBranch.trim()) {
-            this.setState({messageTips: '请输入分行/支行信息'});
+            this.setState({messageTips: '请输入正确的分行和支行信息'});
+            return
+        }
+
+        bankBranch = bankBranch.trim();
+        if (bankBranch.length < 4) {
+            this.setState({messageTips: '请输入正确的分行和支行信息'});
             return
         }
 
@@ -72,7 +78,7 @@ export default class BankCard extends Component {
         }
 
         this.setState({messageTips: '', isUpdate: true});
-        this.props.checkBankCard && this.props.checkBankCard(this.state.name, this.state.number, this.state.bankCode, this.state.cardNo,this.state.bankBranch);
+        this.props.checkBankCard && this.props.checkBankCard(this.state.name, this.state.number, this.state.bankCode, this.state.cardNo,bankBranch);
     }
 
     renderUnBind() {