自定义打印

public void  testCustom() throws Exception {
    CustomReq customReq = new CustomReq();

    customReq.setPrintType(PrintType.IMAGE);
    customReq.setTempId("41b9d19ee56b45b5a23d7b6ace4f9029");

    Map<String,Object> customParam = new HashMap<>();
    customParam.put("qrcode","888888888");
    customReq.setCustomParam(customParam);

    String param = new Gson().toJson(customReq);
    String t = System.currentTimeMillis() + "";

    PrintReq printReq = new PrintReq();
    printReq.setT(t);
    printReq.setKey(key);
    printReq.setSign(SignUtils.printSign(param,t,key,secret));
    printReq.setMethod(ApiInfoConstant.CUSTOM);
    printReq.setParam(param);

    IBaseClient baseClient = new LabelV2();
    System.out.println(baseClient.execute(printReq));
  }