{xml= SUCCESS 参数错误：输入的商户订单号有误 FAIL PARAM_ERROR 参数错误：输入的商户订单号有误 , err_code=PARAM_ERROR, return_msg=参数错误：输入的商户订单号有误, result_code=FAIL, err_code_des=参数错误：输入的商户订单号有误, return_code=SUCCESS} parameterMap.put("out_trade_no", "202412201932");//商户订单号

{xml=FAIL签名错误，请检查后再试 , return_msg=签名错误，请检查后再试, return_code=FAIL}

//商户号 String mchid = WeChatConfig.WX_APP_MCH_ID; //申请商户号的appid或商户号绑定的appid（企业号corpid即为此appid） String appId = WeChatConfig.WX_APP_ID; //用户在直连商户应用下的用户标示 // String openId = "oOORS5OUHgXGtIm4m1xH6bX0NV0A"; //商户API证书编号 // String wechatPayserialNo = WeChatConfig.; //商户API证书路径 // String privatekeypath = "C:\\Users\\李维康\\Desktop\\apiclient_key.pem"; String privatekeypath = WeChatConfig.WX_APICLIENT_KEY_FILE; //平台证书编号 // String planNum = PayConfig.PLANNUM; //平台证书 // String path = "C:\\Users\\李维康\\Desktop\\wechatpay.pem"; String path = WeChatConfig.WX_APICLIENT_CERT_FILE; Map<String, Object> postMap = new HashMap<String, Object>(); postMap.put("appid", appId); postMap.put("out_batch_no", outNo); //该笔批量转账的名称 postMap.put("batch_name", "提现"); //转账说明，UTF8编码，最多允许32个字符 postMap.put("batch_remark", "提现"); //转账金额单位为“分”。 总金额 BigDecimal b1 = new BigDecimal(txprice); BigDecimal b2 = new BigDecimal(100); double price = b1.multiply(b2).doubleValue(); postMap.put("total_amount", price); //转账总笔数 postMap.put("total_num", 1); List<Map> list = new ArrayList<>(); Map<String, Object> subMap = new HashMap<>(4); //商家明细单号 subMap.put("out_detail_no", outNo); //转账金额 subMap.put("transfer_amount", price); //转账备注 subMap.put("transfer_remark", "发放奖励");//明细备注 //用户在直连商户应用下的用户标示 subMap.put("openid", openId); X509Certificate x509Certificate = HttpUtil.getSaveCertificates(path); subMap.put("user_name", RsaCryptoUtil.encryptOAEP(userName, x509Certificate)); list.add(subMap); postMap.put("transfer_detail_list", list); //发起转账操作 String resStr = HttpUtil.postTransBatRequest( "https://api.mch.weixin.qq.com/v3/transfer/batches", GSON.toJson(postMap), wechatPayserialNo, planNum, mchid, privatekeypath); return GSON.toJson(postMap) + "@@@@" + resStr;