互联网医院开发系统如何对接医保支付与电子处方平台

用户端（小程序/App）
        ↓
互联网医院业务系统
  问诊 处方 订单 支付
        ↓
中台网关
  医保网关 处方网关
        ↓
第三方平台
  医保局HIS / 电子处方监管平台 / 药房系统

下单 → 医保预结算 → 医保扣费 → 自费补差 → 支付成功

{
  "psnNo": "患者医保编号",
  "mdtrtId": "就诊ID",
  "totalAmt": 120.00,
  "drugList": [
    {
      "code": "A001",
      "name": "阿莫西林",
      "price": 30,
      "num": 2
    }
  ]
}

public class MedSignUtil {

    public static String sign(String data, String secret) {
        return DigestUtils.md5Hex(data + secret);
    }
}

public MedResult preSettle(MedRequest req) {

    String body = JSON.toJSONString(req);

    HttpHeaders headers = new HttpHeaders();
    headers.add("sign", MedSignUtil.sign(body, secretKey));

    HttpEntity<String> entity = new HttpEntity<>(body, headers);

    ResponseEntity<String> resp =
            restTemplate.postForEntity(medUrl + "/preSettle", entity, String.class);

    return JSON.parseObject(resp.getBody(), MedResult.class);
}

{
  "totalAmt": 120,
  "fundPay": 80,
  "selfPay": 40
}

医生开方 → 电子签名 → 上传监管平台 → 返回处方编号 → 药房调剂

CREATE TABLE prescription (
  id BIGINT PRIMARY KEY,
  patient_id BIGINT,
  doctor_id BIGINT,
  status VARCHAR(20),
  sign_hash VARCHAR(255),
  platform_no VARCHAR(50)
);

public String buildSignHash(Prescription p) {
    String content =
            p.getPatientId() +
            p.getDoctorId() +
            p.getDrugJson();

    return DigestUtils.sha256Hex(content);
}

public String uploadPrescription(PrescriptionDTO dto) {

    String resp = HttpUtil.post(
            eRxUrl + "/upload",
            JSON.toJSONString(dto)
    );

    JSONObject obj = JSON.parseObject(resp);

    return obj.getString("rxNo");
}

rxNo = RX202602090001

AES.encrypt(data, key)

Signature signature = Signature.getInstance("SHA256withRSA");
signature.initSign(privateKey);
signature.update(data.getBytes());
byte[] sign = signature.sign();

log.info("医保结算请求 user={} order={}", userId, orderId);