Node-RED系列（十九）：工业多图标面板制作

这把我C 2021-05-11 19:30:21 11268
物联网

Node-RED系列文章目前已经写了18篇，介绍了Node-RED的安装以及默认安装的一些基本节点的使用，作为物联网的一个可视化拖动的流程,Node-RED的确实很容易上手。还没开始学习的同学可以先看下我以前的文章。

这是我的第19篇Node-RED系列的文章，这一篇文章我们来说一下，如何制作一个工业物联网的仪表盘的。

效果图

首先来看一下效果图，
在这里插入图片描述

改仪表盘，使用多个数据源，并通过一些function节点，将数据封装处理后，输入到折线图，柱状图，饼图，以及雷达图上。
该方案可以在一个页面，制作多组数据图表。方便用户筛选，查看。

实现方案

  • 安装dashboard节点 用于tab，group布局，chart节点用于承载图表
  • 安装random节点，用于生成随机数

用到的图表有这几个

  • line chart 折线图
  • bar chart 柱状图
  • bar chart （H） 横向柱状图
  • pie chart 饼图
  • polar area chart 极地坐标图
  • radar chart 雷达图
    在这里插入图片描述

使用注入节点来配置数据，如label， data，
使用function 节点来处理数据
如

var m={};
m.labels = ["January", "February", "March", "April", "May", "June", "July"];
m.series = ['Series A', 'Series B', 'Series C'];
m.data = [
    [65, 59, 80, 81, 56, 55, 40],
    [28, 48, 40, 19, 86, 27, 90],
    [38, 28, 20, 49, 45, 60, 20]
  ];
return {payload:[m]};
折线图配置

在这里插入图片描述

柱状图配置

在这里插入图片描述

横向柱状图配置

在这里插入图片描述

饼图配置

在这里插入图片描述

极地坐标图在这里插入图片描述
雷达图

在这里插入图片描述

分析数据流转

以一源对多表1的示例来讲解一下数据的流转
该图显示如下，
在这里插入图片描述

一共是四个图，四个图使用同一份数据源
在这里插入图片描述
数据源使用function节点来生成,内容如下

var m={};
m.labels = ["January", "February", "March", "April", "May", "June", "July"];
m.series = ['Series A', 'Series B', 'Series C'];
m.data = [
    [65, 59, 80, 81, 56, 55, 40],
    [28, 48, 40, 19, 86, 27, 90],
    [38, 28, 20, 49, 45, 60, 20]
  ];
return {payload:[m]};

可以简单理解为这样。 一共有三个维度。

  • labels 对应的是x轴的值
  • data 中的数据 对应的是y轴的值
  • series 对应的是系列，分类

如 一源对多表5的数据如下

var m={
    "series":["X","Y","Z"],
    "data":[[5,6,9],[3,8,5],[6,7,2]],
    "labels":["Jan","Feb","Mar"]
};
return {payload:[m]};

只有三个维度，series，data , labels

完整代码流
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        "label": "折线图",
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        "passthru": false,
        "label": "一源对多表2",
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        "icon": "",
        "payload": "",
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        "name": "",
        "func": "var chart = [{\n    \"series\":[\"A\",\"B\",\"C\"],\n        \"data\":[[{\"x\":1,\"y\":5},{\"x\":2,\"y\":4},{\"x\":3,\"y\":2}],[{\"x\":4,\"y\":6},{\"x\":5,\"y\":7},{\"x\":6,\"y\":6}],[{\"x\":7,\"y\":7},{\"x\":8,\"y\":9},{\"x\":9,\"y\":7}]],\n    \"labels\":[\"\"]\n}];\nmsg.payload = chart;\n\nreturn msg;",
        "outputs": 1,
        "noerr": 0,
        "x": 550,
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        "wires": [
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        "group": "ab397e95.29ebe",
        "order": 2,
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        "passthru": false,
        "label": "时间折线2",
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        "color": "",
        "bgcolor": "",
        "icon": "",
        "payload": "",
        "payloadType": "str",
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        "topicType": "str",
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        "z": "cdd041df.75e89",
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        "outputs": 1,
        "noerr": 0,
        "x": 570,
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        "wires": [
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        "z": "cdd041df.75e89",
        "name": "饼图",
        "group": "89749fb7.87f01",
        "order": 3,
        "width": 0,
        "height": 0,
        "label": "饼图",
        "chartType": "pie",
        "legend": "true",
        "xformat": "HH:mm:ss",
        "interpolate": "linear",
        "nodata": "",
        "dot": false,
        "ymin": "",
        "ymax": "",
        "removeOlder": 1,
        "removeOlderPoints": "",
        "removeOlderUnit": "3600",
        "cutout": "30",
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        "group": "ab397e95.29ebe",
        "order": 10,
        "width": 0,
        "height": 0,
        "passthru": false,
        "label": "类目数据图表",
        "tooltip": "",
        "color": "",
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        "payloadType": "str",
        "topic": "Pie 4 T",
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        "passthru": false,
        "label": "时间折线3",
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        "y": 260,
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    },
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        "id": "a4bb52c8.88239",
        "type": "inject",
        "z": "cdd041df.75e89",
        "name": "",
        "repeat": "",
        "crontab": "",
        "once": false,
        "topic": "",
        "payload": "",
        "payloadType": "date",
        "x": 220,
        "y": 260,
        "wires": [
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    },
    {
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        "z": "cdd041df.75e89",
        "name": "",
        "func": "var m={\n    \"series\":[\"X\",\"Y\",\"Z\"],\n    \"data\":[[5],[3],[6]],\n    \"labels\":[\"Jan\"]\n};\nreturn {payload:[m]};",
        "outputs": 1,
        "noerr": 0,
        "x": 550,
        "y": 580,
        "wires": [
            [
                "ff918655.3f4cc8",
                "b4dd3939.c1cd18",
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        "z": "cdd041df.75e89",
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        "group": "ab397e95.29ebe",
        "order": 7,
        "width": 0,
        "height": 0,
        "passthru": false,
        "label": "一源对多表3",
        "tooltip": "",
        "color": "",
        "bgcolor": "",
        "icon": "",
        "payload": "",
        "payloadType": "str",
        "topic": "",
        "topicType": "str",
        "x": 230,
        "y": 580,
        "wires": [
            [
                "b27dbaec.a6c808"
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        ]
    },
    {
        "id": "e7bfc7c3.29bae8",
        "type": "function",
        "z": "cdd041df.75e89",
        "name": "",
        "func": "var m={\n    \"series\":[\"X\"],\n    \"data\":[[5,3,6]],\n    \"labels\":[\"Jan\",\"Feb\",\"Mar\"]\n};\nreturn {payload:[m]};",
        "outputs": 1,
        "noerr": 0,
        "x": 550,
        "y": 620,
        "wires": [
            [
                "ff918655.3f4cc8",
                "1ea08106.2a878f",
                "4ff31492.be2bac",
                "b4dd3939.c1cd18",
                "b22921a0.00d9",
                "df536e27.a17ae"
            ]
        ]
    },
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        "type": "ui_button",
        "z": "cdd041df.75e89",
        "name": "",
        "group": "ab397e95.29ebe",
        "order": 8,
        "width": 0,
        "height": 0,
        "passthru": false,
        "label": "一源对多表4",
        "tooltip": "",
        "color": "",
        "bgcolor": "",
        "icon": "",
        "payload": "",
        "payloadType": "str",
        "topic": "",
        "topicType": "str",
        "x": 230,
        "y": 620,
        "wires": [
            [
                "e7bfc7c3.29bae8"
            ]
        ]
    },
    {
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        "type": "ui_chart",
        "z": "cdd041df.75e89",
        "name": "",
        "group": "4e7edda4.417004",
        "order": 2,
        "width": 0,
        "height": 0,
        "label": "横向柱状图",
        "chartType": "horizontalBar",
        "legend": "false",
        "xformat": "HH:mm:ss",
        "interpolate": "linear",
        "nodata": "",
        "dot": false,
        "ymin": "",
        "ymax": "",
        "removeOlder": 1,
        "removeOlderPoints": "",
        "removeOlderUnit": "3600",
        "cutout": "30",
        "useOneColor": false,
        "useUTC": false,
        "colors": [
            "#1f77b4",
            "#aec7e8",
            "#ff7f0e",
            "#2ca02c",
            "#98df8a",
            "#d62728",
            "#ff9896",
            "#9467bd",
            "#c5b0d5"
        ],
        "outputs": 1,
        "useDifferentColor": false,
        "x": 1070,
        "y": 400,
        "wires": [
            []
        ]
    },
    {
        "id": "b4dd3939.c1cd18",
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        "group": "4e7edda4.417004",
        "order": 3,
        "width": 0,
        "height": 0,
        "label": "极地区域图",
        "chartType": "polar-area",
        "legend": "false",
        "xformat": "HH:mm:ss",
        "interpolate": "linear",
        "nodata": "",
        "dot": false,
        "ymin": "",
        "ymax": "",
        "removeOlder": 1,
        "removeOlderPoints": "",
        "removeOlderUnit": "3600",
        "cutout": "30",
        "useOneColor": false,
        "useUTC": false,
        "colors": [
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            "#aec7e8",
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            "#2ca02c",
            "#98df8a",
            "#d62728",
            "#ff9896",
            "#9467bd",
            "#c5b0d5"
        ],
        "outputs": 1,
        "useDifferentColor": false,
        "x": 1070,
        "y": 620,
        "wires": [
            []
        ]
    },
    {
        "id": "4ff31492.be2bac",
        "type": "ui_chart",
        "z": "cdd041df.75e89",
        "name": "",
        "group": "4e7edda4.417004",
        "order": 4,
        "width": 0,
        "height": 0,
        "label": "雷达图",
        "chartType": "radar",
        "legend": "false",
        "xformat": "HH:mm:ss",
        "interpolate": "linear",
        "nodata": "",
        "dot": false,
        "ymin": "",
        "ymax": "",
        "removeOlder": 1,
        "removeOlderPoints": "",
        "removeOlderUnit": "3600",
        "cutout": "30",
        "useOneColor": false,
        "useUTC": false,
        "colors": [
            "#1f77b4",
            "#aec7e8",
            "#ff7f0e",
            "#2ca02c",
            "#98df8a",
            "#d62728",
            "#ff9896",
            "#9467bd",
            "#c5b0d5"
        ],
        "outputs": 1,
        "useDifferentColor": false,
        "x": 1050,
        "y": 740,
        "wires": [
            []
        ]
    },
    {
        "id": "74aa631f.93bbfc",
        "type": "function",
        "z": "cdd041df.75e89",
        "name": "label",
        "func": "var m = [\n    {label:\"A\", payload:22, series:\"X\"},\n    {label:\"B\", payload:66, series:\"X\"},\n    {label:\"C\", payload:42, series:\"X\"},\n    {label:\"A\", payload:33, series:\"Y\"},\n    {label:\"B\", payload:72, series:\"Y\"},\n    {label:\"C\", payload:12, series:\"Y\"},\n    {label:\"A\", payload:44, series:\"Z\"},\n    {label:\"B\", payload:32, series:\"Z\"},\n    {label:\"C\", payload:80, series:\"Z\"}\n    ];\nreturn [m];",
        "outputs": 1,
        "noerr": 0,
        "x": 550,
        "y": 220,
        "wires": [
            [
                "df536e27.a17ae",
                "ff918655.3f4cc8",
                "1ea08106.2a878f",
                "b22921a0.00d9"
            ]
        ]
    },
    {
        "id": "ae70552a.a40dc8",
        "type": "inject",
        "z": "cdd041df.75e89",
        "name": "",
        "repeat": "",
        "crontab": "",
        "once": false,
        "topic": "",
        "payload": "",
        "payloadType": "date",
        "x": 220,
        "y": 220,
        "wires": [
            [
                "74aa631f.93bbfc"
            ]
        ]
    },
    {
        "id": "5fcbc10a.c3693",
        "type": "ui_button",
        "z": "cdd041df.75e89",
        "name": "",
        "group": "ab397e95.29ebe",
        "order": 11,
        "width": 0,
        "height": 0,
        "passthru": false,
        "label": "清空",
        "tooltip": "",
        "color": "",
        "bgcolor": "",
        "icon": "",
        "payload": "[]",
        "payloadType": "json",
        "topic": "",
        "topicType": "str",
        "x": 530,
        "y": 180,
        "wires": [
            [
                "4ff31492.be2bac",
                "b4dd3939.c1cd18",
                "df536e27.a17ae",
                "b22921a0.00d9",
                "ff918655.3f4cc8",
                "1ea08106.2a878f"
            ]
        ]
    },
    {
        "id": "89749fb7.87f01",
        "type": "ui_group",
        "name": "Charts",
        "tab": "d7901f40.2659d",
        "order": 2,
        "disp": false,
        "width": "6"
    },
    {
        "id": "ab397e95.29ebe",
        "type": "ui_group",
        "name": "Inputs",
        "tab": "d7901f40.2659d",
        "order": 1,
        "disp": false,
        "width": "6"
    },
    {
        "id": "4e7edda4.417004",
        "type": "ui_group",
        "name": "Group 3",
        "tab": "d7901f40.2659d",
        "order": 3,
        "disp": false,
        "width": "6"
    },
    {
        "id": "d7901f40.2659d",
        "type": "ui_tab",
        "name": "Charts",
        "icon": "dashboard",
        "order": 2
    }
]

具体使用方法，可以直接复制流的json数据 导入到工作台。

粘贴进去，点导入即可。缺少的节点需要手动安装。

声明：本文内容由易百纳平台入驻作者撰写，文章观点仅代表作者本人，不代表易百纳立场。如有内容侵权或者其他问题，请联系本站进行删除。
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