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SortedMap<String, Object> packageParams = new TreeMap<String, Object>();
packageParams.put("appid", appid);
packageParams.put("mch_id", mch_id);
packageParams.put("nonce_str", nonce_str);
packageParams.put("body", "星途网-hello");
packageParams.put("attach", attach);
packageParams.put("out_trade_no", orderId);
packageParams.put("total_fee", totalFee);
packageParams.put("spbill_create_ip", spbill_create_ip);
packageParams.put("notify_url", notify_url);
packageParams.put("trade_type", trade_type);
logger.info("packageParams========"+packageParams);
RequestHandler reqHandler = new RequestHandler();
String sign = reqHandler.createSign(packageParams);
logger.info("sign========"+sign);
packageParams.put("sign", sign);