节点 RED 中的日期选择器范围

问题描述 投票：0回答：2

我目前正在使用 Node RED，想要制作一个日期选择器范围。 我的目标是：

使用两个“日期选择器”节点中选定的两个日期来显示我的数据库中的特定时间间隔。

这是我的 JSON 代码流程：

（请注意，您需要预先安装“node-red-contrib-postgresql”和“node-red-dashboard”） [ { "id": "df8b8a9806f4a546", "type": "tab", "label": "Flow 2", "disabled": false, "info": "", "env": [] }, { "id": "0623165a65c01c00", "type": "function", "z": "df8b8a9806f4a546", "name": "Processing Datepicker Output", "func": "if (msg.topic === \"Datepicker_Von\") {\n // Hier verarbeiten Sie den Wert des ersten Datepicker-Node\n var date1 = msg.payload;\n // Führen Sie weitere Verarbeitungen für Datepicker1 durch\n} else if (msg.topic === \"Datepicker_Bis\") {\n // Hier verarbeiten Sie den Wert des zweiten Datepicker-Node\n var date2 = msg.payload;\n // Führen Sie weitere Verarbeitungen für Datepicker2 durch\n}\n\nmsg.params = [date1, date2];\n\n\n/*\nvar date1 = msg.payload[0].Datepicker_Von;\nvar date2 = msg.payload[1].selectedDate;\n\nif(date1 && date2){\n msg.payload = {date1, date2};\n return msg;\n\n}\n*/", "outputs": 1, "noerr": 0, "initialize": "", "finalize": "", "libs": [], "x": 870, "y": 780, "wires": [ [ "5ca2e58ccda4292e", "5dbeae4a01d86c01" ] ] }, { "id": "35a5189090d65418", "type": "postgresql", "z": "df8b8a9806f4a546", "name": "Abfrage_Kalender", "query": "SELECT wert, datum_m\nFROM alle.aggregatparameterwerte1min\nWHERE DATE(datum_m) BETWEEN $1 AND $2\n", "postgreSQLConfig": "7a4e4f0f64750523", "split": false, "rowsPerMsg": 1, "outputs": 1, "x": 1410, "y": 780, "wires": [ [ "c7ef1139c1942183" ] ] }, { "id": "c7ef1139c1942183", "type": "debug", "z": "df8b8a9806f4a546", "name": "debug 10", "active": false, "tosidebar": true, "console": false, "tostatus": false, "complete": "false", "statusVal": "", "statusType": "auto", "x": 1740, "y": 780, "wires": [] }, { "id": "5ca2e58ccda4292e", "type": "debug", "z": "df8b8a9806f4a546", "name": "debug 11", "active": true, "tosidebar": true, "console": false, "tostatus": false, "complete": "true", "targetType": "full", "statusVal": "", "statusType": "auto", "x": 1200, "y": 940, "wires": [] }, { "id": "1c2689ab7eb8477d", "type": "debug", "z": "df8b8a9806f4a546", "name": "debug 12", "active": true, "tosidebar": true, "console": false, "tostatus": false, "complete": "false", "statusVal": "", "statusType": "auto", "x": 780, "y": 480, "wires": [] }, { "id": "5906020c8eecbd4b", "type": "debug", "z": "df8b8a9806f4a546", "name": "debug 13", "active": true, "tosidebar": true, "console": false, "tostatus": false, "complete": "false", "statusVal": "", "statusType": "auto", "x": 700, "y": 1040, "wires": [] }, { "id": "95076555af56bb28", "type": "ui_date_picker", "z": "df8b8a9806f4a546", "name": "", "label": "Datepicker 2", "group": "c69e5a41.8b69a8", "order": 2, "width": 0, "height": 0, "passthru": false, "topic": "Datepicker_Bis", "topicType": "str", "className": "", "x": 510, "y": 900, "wires": [ [ "5906020c8eecbd4b", "0623165a65c01c00" ] ] }, { "id": "981a649d06af8b02", "type": "ui_date_picker", "z": "df8b8a9806f4a546", "name": "", "label": "Datepicker 1", "group": "c69e5a41.8b69a8", "order": 2, "width": 0, "height": 0, "passthru": false, "topic": "Datepicker_Von", "topicType": "str", "className": "", "x": 510, "y": 620, "wires": [ [ "1c2689ab7eb8477d", "0623165a65c01c00" ] ] }, { "id": "5dbeae4a01d86c01", "type": "ui_button", "z": "df8b8a9806f4a546", "name": "", "group": "c69e5a41.8b69a8", "order": 2, "width": 0, "height": 0, "passthru": false, "label": "button", "tooltip": "", "color": "", "bgcolor": "", "className": "", "icon": "", "payload": "", "payloadType": "str", "topic": "Datepicker_Von", "topicType": "msg", "x": 1150, "y": 780, "wires": [ [ "35a5189090d65418" ] ] }, { "id": "7a4e4f0f64750523", "type": "postgreSQLConfig", "name": "", "host": "127.0.0.1", "hostFieldType": "str", "port": "5432", "portFieldType": "num", "database": "dme_lokal", "databaseFieldType": "str", "ssl": "false", "sslFieldType": "bool", "applicationName": "", "applicationNameType": "str", "max": "10", "maxFieldType": "num", "idle": "1000", "idleFieldType": "num", "connectionTimeout": "10000", "connectionTimeoutFieldType": "num", "user": "umeadmin", "userFieldType": "str", "password": "umewp1", "passwordFieldType": "str" }, { "id": "c69e5a41.8b69a8", "type": "ui_group", "name": "Default", "tab": "1013c4a0.9de38c", "order": 1, "disp": true, "width": "6", "collapse": false, "className": "" }, { "id": "1013c4a0.9de38c", "type": "ui_tab", "name": "Home", "icon": "dashboard", "order": 1, "disabled": false, "hidden": false } ] 

如您所见，我尝试将两个“Datepicker”节点与“Function”节点连接起来。
问题是“函数”节点没有同时接收两个日期。此处发布的流程是我尝试过但失败的最新变体。

    Here a overview of my flow:



您需要查看连接节点，将其放置在功能节点之前，并将其配置为等待 2 个输入，然后再发送连接结果。

    

    
    javascript
    
    datepicker
    
    nodes
    
    node-red
    
    date-range
    
    
2个回答

    

      
      
      

        

          

            

              
0
投票

              
            

          

        

        


是的，它起作用了！但有一个小细节需要注意。
在每个“Datepicker”节点的主题区域中，您需要用“/”来区分主题



      

      
      
      

      

        

          

            

              
0
投票

              
            

          

        

        


日期选择器1的主题：
datepicker/1


Datepicker2主题：
datepicker/2


还需要注意的是，日期选择器的两个主题都需要采用“字符串”格式


这里是“Datepicker”节点的配置选项卡，名称为“Datepicker 1”
将完全相同的内容写入第二个日期选择器，但将所有“1”替换为“2”


如果其他人想自己尝试一下，这里是 JSON 代码：DDatepicker 1
[
    {
        "id": "1c2689ab7eb8477d",
        "type": "debug",
        "z": "df8b8a9806f4a546",
        "name": "debug 12",
        "active": true,
        "tosidebar": true,
        "console": false,
        "tostatus": false,
        "complete": "true",
        "targetType": "full",
        "statusVal": "",
        "statusType": "auto",
        "x": 600,
        "y": 600,
        "wires": []
    },
    {
        "id": "5906020c8eecbd4b",
        "type": "debug",
        "z": "df8b8a9806f4a546",
        "name": "debug 13",
        "active": true,
        "tosidebar": true,
        "console": false,
        "tostatus": false,
        "complete": "true",
        "targetType": "full",
        "statusVal": "",
        "statusType": "auto",
        "x": 580,
        "y": 980,
        "wires": []
    },
    {
        "id": "95076555af56bb28",
        "type": "ui_date_picker",
        "z": "df8b8a9806f4a546",
        "name": "",
        "label": "Datepicker 2",
        "group": "c69e5a41.8b69a8",
        "order": 2,
        "width": 0,
        "height": 0,
        "passthru": true,
        "topic": "datepicker/2",
        "topicType": "str",
        "className": "",
        "x": 290,
        "y": 840,
        "wires": [
            [
                "5906020c8eecbd4b",
                "e1839d533034eac0"
            ]
        ]
    },
    {
        "id": "981a649d06af8b02",
        "type": "ui_date_picker",
        "z": "df8b8a9806f4a546",
        "name": "",
        "label": "Datepicker 1",
        "group": "c69e5a41.8b69a8",
        "order": 1,
        "width": 0,
        "height": 0,
        "passthru": false,
        "topic": "datepicker/1",
        "topicType": "str",
        "className": "",
        "x": 290,
        "y": 660,
        "wires": [
            [
                "1c2689ab7eb8477d",
                "e1839d533034eac0"
            ]
        ]
    },
    {
        "id": "e1839d533034eac0",
        "type": "join",
        "z": "df8b8a9806f4a546",
        "name": "Datum_Vereinen",
        "mode": "custom",
        "build": "object",
        "property": "payload",
        "propertyType": "msg",
        "key": "topic",
        "joiner": "\\n",
        "joinerType": "str",
        "accumulate": false,
        "timeout": "",
        "count": "2",
        "reduceRight": false,
        "reduceExp": "",
        "reduceInit": "",
        "reduceInitType": "",
        "reduceFixup": "",
        "x": 630,
        "y": 760,
        "wires": [
            [
                "39fa5e85975fab78"
            ]
        ]
    },
    {
        "id": "39fa5e85975fab78",
        "type": "debug",
        "z": "df8b8a9806f4a546",
        "name": "debug 15",
        "active": true,
        "tosidebar": true,
        "console": false,
        "tostatus": false,
        "complete": "payload",
        "targetType": "msg",
        "statusVal": "",
        "statusType": "auto",
        "x": 860,
        "y": 760,
        "wires": []
    },
    {
        "id": "c69e5a41.8b69a8",
        "type": "ui_group",
        "name": "Default",
        "tab": "1013c4a0.9de38c",
        "order": 1,
        "disp": true,
        "width": "6",
        "collapse": false,
        "className": ""
    },
    {
        "id": "1013c4a0.9de38c",
        "type": "ui_tab",
        "name": "Home",
        "icon": "dashboard",
        "order": 1,
        "disabled": false,
        "hidden": false
    }
]



谢谢你帮助我！ ：D

    



      

      
    

  

  

    
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