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|  |  |  | import java.io.ByteArrayInputStream; | 
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|  |  |  | import java.io.IOException; | 
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|  |  |  | import java.nio.charset.StandardCharsets; | 
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|  |  |  | import java.nio.file.Files; | 
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|  |  |  | import java.nio.file.Paths; | 
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|  |  |  | import java.security.*; | 
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|  |  |  | import java.security.cert.Certificate; | 
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|  |  |  | import java.security.cert.CertificateException; | 
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|  |  |  | Integer refund = po.getRefund(); | 
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|  |  |  |  | 
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|  |  |  | // 生成body | 
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|  |  |  | Integer total = virtualCardSv.getRechargeAmountByOrderNumber(tradeNo); | 
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|  |  |  | Double total = virtualCardSv.getRechargeAmountByOrderNumber(tradeNo); | 
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|  |  |  | RefundRequest.Amount amount = new RefundRequest.Amount(); | 
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|  |  |  | amount.setRefund(refund); | 
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|  |  |  | amount.setTotal(total); | 
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