提现bug

src/main/java/com/edgec/browserbackend/account/service/impl/PaymentServiceImpl.java

@@ -35,6 +35,7 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.context.annotation.ComponentScan;
 import org.springframework.stereotype.Service;
 
+import javax.swing.text.Document;
 import java.text.SimpleDateFormat;
 import java.time.Instant;
 import java.time.YearMonth;
@@ -591,6 +592,7 @@ public class PaymentServiceImpl implements PaymentService {
 
     @Override
     public boolean alipayWithdraw(String username, String account, String realName, double amount) {
+        java.text.DecimalFormat df = new java.text.DecimalFormat("#.00");
         Account byName = accountService.findByName(username);
         if (byName == null)
             throw new ClientRequestException(AccountErrorCode.NAMENOTEXIST, "account does not exist: " + username);
@@ -619,7 +621,7 @@ public class PaymentServiceImpl implements PaymentService {
             AlipayFundTransToaccountTransferRequest alipayRequest = new AlipayFundTransToaccountTransferRequest();
 
             String out_biz_no = internalOrder.getTradeNo();
-            String trans_amount = "" + amount + ".00";
+            String trans_amount = "" + df.format(amount);
             String identity_type = "ALIPAY_LOGONID";
             String subject = "礼金提现" + out_biz_no;