数字工厂条码标签管理

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数字工厂条码标签管理

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2024年3月5日 / 博客, 实战教程, 技术文章

数字工厂条码标签管理

数字工厂为针对流程制造业设计的数字化转型解决方案。

整体交互图

[小 迪 导读]：应用条码系统整体优势

1.条形码是迄今为止最经济、实用的一种自动识别技术。条形码技术具有以下几个方面的优点；
2.输入速度快：与键盘输入相比，条形码输入的速度是键盘输入的5倍，并且能实现“即时数据输入”；
3.可靠性高：键盘输入数据出错率为三百分之一，利用光学字符识别技术出错率为万分之一，而采用条形码技术误码率低于百万分之一；
4.灵活实用：条形码标识既可以作为一种识别手段单独使用，也可以和共它识别设备组成一个系统实现自动化识别，还可以和其他控制设备联接起来实现自动化管理。

生成条码打印

1.生产部门在每一次报工时会生成生产单据,利用数据内部关系生成一个唯一标识编码，

get_id(DevAddr, Type) ->
    Time = dgiot_utils:to_binary(dgiot_datetime:timestamp()),
    Bin = dgiot_utils:to_binary(Type),
    <<ObjID:10/binary, _/binary>> = dgiot_utils:to_md5(<<Bin/binary, DevAddr/binary, Time/binary>>),
    Res = string:to_upper(dgiot_utils:to_list(ObjID)),
    dgiot_utils:to_binary(Res).

2.通过dgiot_amis下发给dgiot_dtu

{
  "type": "page",
  "body": [
    {
      "tabs": [
        {
          "body": [
            {
              "id": "u:04459a03cf7c",
              "api": {
                "url": "iotapi/amis/Device/parse_objectid",
                "method": "get",
                "adaptor": "return {\r\n \"status\":0,\r\n \"msg\":\"\",\r\n \"data\":response\r\n }",
                "headers": {
                  "store": "localStorage",
                  "dgiotReplace": "parse_objectid"
                }
              },
              "body": [
                {
                  "id": "u:94629dd6e880",
                  "api": {
                    "url": "iotapi/classes/Device/parse_objectid",
                    "method": "put",
                    "headers": {
                      "store": "localStorage",
                      "dgiotReplace": "parse_objectid"
                    },
                    "requestAdaptor": "return{\r\n  ...api,\r\n  data:{\r\n    profile:{\r\n      ...api.data\r\n    }\r\n  }\r\n}"
                  },
                  "body": [
                    {
                      "mode": "inline",
                      "name": "data",
                      "size": "",
                      "type": "input-text",
                      "label": "打印内容",
                      "disabled": false,
                      "readOnly": false,
                      "horizontal": {
                        "left": 4,
                        "right": 8,
                        "leftFixed": ""
                      },
                      "validateApi": "",
                      "autoComplete": false
                    },
                    {
                      "mode": "inline",
                      "name": "cmd",
                      "size": "",
                      "type": "input-text",
                      "label": "操作",
                      "disabled": false,
                      "readOnly": false,
                      "horizontal": {
                        "left": 4,
                        "right": 8,
                        "leftFixed": ""
                      },
                      "validateApi": "",
                      "autoComplete": false
                    }
                  ],
                  "type": "form",
                  "title": "",
                  "submitText": "打印"
                }
              ],
              "type": "form",
              "title": "表单",
              "submitText": ""
            }
          ],
          "icon": "fa fa-slideshare",
          "title": "设备信息"
        }
      ],
      "type": "tabs"
    }
  ]
}

3.dgiot_dtu通过唯一标识编码生成条形码

  public static Image Get_image()
        {
            CodeLib.Barcode b = new CodeLib.Barcode();
            CodeLib.TYPE type = CodeLib.TYPE.CODE128B;
            b.IncludeLabel = false;
            string familyName = "宋体";
            Font Label  = new Font(familyName, 10.0F);
            b.LabelFont = Label;
            CodeLib.AlignmentPositions Align = CodeLib.AlignmentPositions.CENTER;
            b.Alignment = Align;
            b.LabelPosition = CodeLib.LabelPositions.BOTTOMCENTER;
            return b.Encode(type, textData, 157, 80);  
        }

4.再给默认打印机下发打印指令

        public static void PrintPage(string data, string url, Dictionary<string, object> json)
        {
            SetTextData(data);
            SetTextUrl(url);
            Setjson(json);

            PrintDialog PD = new PrintDialog();
            PageSettings pageSettings = new PageSettings();
            //pageSettings.PaperSize = new PaperSize("Size", 30, 40);
            string Name = fPrintDocument.PrinterSettings.PrinterName;
            LogHelper.Log("PrinterName: " + Name.ToString());
            System.Drawing.Printing.PrinterSettings Ps = new System.Drawing.Printing.PrinterSettings();
            //SetDefaultPrinter("Deli DL-888B(NEW)");
            fPrintDocument.DefaultPageSettings.PaperSize = new PaperSize("Size", 393, 275); //单位1/100英寸
            SetDefaultPrinter(Name);
            PD.PrinterSettings = Ps;
            fPrintDocument.PrintPage += document_PrintPage;
            PD.Document = fPrintDocument;
            fPrintDocument.Print();
        }

追溯条码

1.品检部门在检查时通过amis配置的表单按钮，向dgiot_app发起扫码请求

{
  "type": "button",
  "api": {
    "url": "http://192.168.2.5:12345/scancode",
    "method": "get",
    "headers": {
      "Origin": "asdaszxc"
    },
    "requestAdaptor": "console.log('请求参数',api)\r\ndelete api.headers.author\r\ndelete api.headers.email\r\nreturn {\r\n  ...api\r\n}"
  },
  "label": "扫码",
  "actionType": "ajax"
}

2.dgiot_app收到请求，验证接口参数，下发扫码指令

   public Response scancode(IHTTPSession session) {
        JSONObject map = new JSONObject();
        JSONObject data = new JSONObject();
        String Json = "{'code':200,'datetimes':'','deviceid':'1db7727cc6','instruct':'scancode','msg':'success','objectId':'1db7727cc6','username':'username'}";
        ReceiveMsgBean msgBean = JSONObject.parseObject(Json, ReceiveMsgBean.class);
        Log.d("hallow", "Json=" + Json);
        Log.d("hallow", "msgBean=" + msgBean);
        EventBus.getDefault().post(msgBean);
        String text=webActivity.geturl();
        data.put("scancode", text);
        map.put("status", 0);
        map.put("msg", "");
        map.put("data", data);
        Response resp = newFixedLengthResponse(map.toJSONString());
        resp.addHeader("Access-Control-Allow-Methods", "GET, PUT, POST, DELETE, HEAD, OPTIONS, TRACE, CONNECT, PATCH, PROPFIND, PROPPATCH, MKCOL, MOVE, COPY, LOCK, UNLOCK");
        Log.d("hallow", "map=" + map.toJSONString());
        String origin=session.getHeaders().get("origin");
        resp.addHeader("Access-Control-Allow-Origin", origin);
        resp.addHeader("Access-Control-Allow-Headers", "*");
        resp.addHeader("Access-Control-Max-Age", "3600");
        resp.addHeader("Access-Control-Allow-Credentials", "true");
        return resp;
    }

3.通过人工扫码，dgiot_app再获取条码编码

    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {

        super.onActivityResult(requestCode, resultCode, data);
        switch ( resultCode ){
            case 33:
                jsonObject = new JSONObject();
                jsonObject.put("deviceid",receiveMsgBean.getDeviceid());
                jsonObject.put("instruct",QR_KEY);
                jsonObject.put("url",data.getStringExtra("mCode"));
                seturl(data.getStringExtra("mCode"));
                DgiotService.publish( JSONObject.toJSONString( jsonObject ) );
//                rdb.setInstruct(data.getStringExtra("mCode"));
                break;
                default:break;
        }
    }

4.dgiot_app通过Response响应把条码编号返回给dgiot_amis搜索框

{
  "type": "input-text",
  "id": "u:6b51eebdf49c",
  "name": "scancode",
  "label": "扫码结果"
}

5.搜索框调用get_data接口通过条码编号可迅速的把生产单据信息作为表格返回


get_all_sheet(ProductId, Start, End, Channel, DeviceId, Where, Limit, Skip, New) ->
    UnflattenWhere = unflatten_where(Where),
    case dgiot_hook:run_hook({factory, get_sheet_list}, [ProductId]) of
        {ok, [{ok, SheetList}]} ->
            SheetsData = lists:foldl(
                fun(X, Acc) ->
                    SheetWhere = get_sheet_where(X, UnflattenWhere),
                    case dgiot_factory_getdata:get_work_sheet(ProductId, X, Start, End, Channel, DeviceId, SheetWhere, undefined, undefined, New) of
                        {ok, {_, Res}} ->
                            Acc ++ [Res];
                        _ ->
                            Acc
                    end
                end, [], SheetList),
            IdData = get_sheet_id(SheetsData, SheetList),
            MergedData = merge_sheets(IdData, SheetList),
%%            Data = maps:values(MergedData),
            {Total, Res} = filter_data(Limit, Skip, MergedData),
            {ok, {Total, Res}};
        _ ->
            error

    end.

​

想了解更多 dgiot 的具体细节，欢迎大家在GitHub上查看相关源代码。

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