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Last modified by Devin Chen on 2026/03/10 10:53
From version 6.1
edited by Devin Chen
on 2025/09/09 15:10
Change comment: There is no comment for this version
To version 18.1
edited by Devin Chen
on 2026/03/05 15:57
Change comment: There is no comment for this version

Summary

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Parent
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1 -V-BOX.V-Net.Training.WebHome
1 +V-Net 2\.0.Demo.WebHome
Content
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27 27  
28 28  == **1.4 Short message** ==
29 29  
30 -The following demo shows that when the alarm condition is reached: temp1 > 5 & temp2 >10 & temp3 < 20(lasts more than 5 seconds) , then send an "alarm trigger" sms.
30 +The following demo shows that when the alarm condition is reached: temp1 > 50 (lasts more than 5 seconds) , then send an "alarm trigger" sms.
31 31  
32 32  When the alarm condition is released，then send an  "alarm release" sms.
33 33  
34 -Registers setting
34 +Real-time tags setting
35 35  [[image:1757401730077-284.png]]
36 36  
37 37  Script is as below:
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590 590  
591 591  This demo shows how to obtain UTC standard time from the V-Box and get the local time based on the device's time zone.
592 592  
593 -**Register configuration**
593 +**Real-time tags configuration**
594 594  
595 595  [[image:1757043722849-910.png]]
596 596  
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599 599  (% style="text-align:center" %)
600 600  [[image:1757043900216-610.png||height="412" width="439"]]
601 601  
602 -
603 603  **Script**
604 604  
605 -
606 -
607 607  {{code language="lua"}}
608 608  function time.main()
609 609  
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638 638  (% style="text-align:center" %)
639 639  [[image:1757044137457-543.png||height="468" width="708"]]
640 640  
638 +== **1.13 JSON encoding and decoding** ==
639 +
640 +This demo shows how to encode tag values into JSON format and decode the JSON to assign data to new tags.
641 +
642 +**Real-time tags configuration**
643 +
644 +(% style="text-align:center" %)
645 +[[image:PixPin_2025-11-05_09-21-33.png]]
646 +
647 +(% class="wikigeneratedid" %)
648 +**Script configuration**
649 +
650 +(% style="text-align:center" %)
651 +[[image:PixPin_2025-11-05_09-23-03.png||height="376" width="400"]]
652 +
653 +(% class="wikigeneratedid" %)
654 +**Script**
655 +
656 +{{code language="lua"}}
657 +function json_test.main()
658 +
659 +-- Load JSON module for encoding and decoding JSON data
660 +local json = require("json")
661 +
662 +-- Read values from different types of address tags
663 +local a = addr_getbit("@bit") -- Read a bit (boolean) value
664 +local b = addr_getword("@word") -- Read a word (integer) value
665 +local c = addr_getfloat("@floating number") -- Read a floating point value
666 +local d = addr_getstring("@string",10) -- Read a string value with max length 10
667 +local e = json.null -- JSON null value constant
668 +
669 +-- Encode the data into JSON format
670 +local jsondata = json.encode({
671 + bit = a or 0, -- Bit value with default 0
672 + word = b or 0, -- Word value with default 0
673 + float = c or 0, -- Float value with default 0
674 + str = d or 0, -- String value with default 0
675 + {none= e} -- Nested table with null value
676 + })
677 +print("json encode:", jsondata) -- Print the encoded JSON data
678 +print(".......................")
679 +
680 +-- Decode the JSON string back to Lua table
681 +local data = json.decode(jsondata)
682 +
683 +-- Check if decoding was successful and print the results
684 +if type(data) == 'table' then
685 + print("json decode:")
686 + -- Iterate through all key-value pairs in the decoded table
687 + for k, v in pairs(data) do
688 + print(k, v)
689 + end
690 +end
691 +-- Write the decoded values back to corresponding address tags
692 +addr_setbit("@bit_copy", data["bit"] or 0) -- Write bit value
693 +addr_setword("@word_copy", data["word"] or 0) -- Write word value
694 +addr_setfloat("@floating number_copy", data["float"] or 0) -- Write float value
695 +addr_setstring("@string_copy", data["str"], 10) -- Write string value
696 +
697 +print("-----------------------")
698 +
699 +end
700 +{{/code}}
701 +
702 +(% class="wikigeneratedid" %)
703 +**Result**
704 +
705 +(% style="text-align:center" %)
706 +[[image:1762306008662-362.png||height="485" width="1228"]]
707 +
708 +
641 641  = **2 Third part server** =
642 642  
643 643  V-Box have two mode.One is for V-Net,User need to use WECON server to store data.We call this V-NET platform.
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1853 1853  {{info}}
1854 1854  ✎Note: If you want to use CMD to access Mysql, you need to add the bin file to the environment variable, please check online for details of the operation.
1855 1855  {{/info}}
1924 +
1925 +== **2.8 Google sheet** ==
1926 +
1927 + In this demo you can upload the real-time tags data to google sheet
1928 +
1929 +**1.Google sheets setting**
1930 +
1931 +1.1 Create a table file based on actual needs and fill in the headers.
1932 +
1933 +(% style="text-align:center" %)
1934 +[[image:WeCom Screenshot_20260305114836.png||height="618" width="977"]]
1935 +
1936 +1.2 Modify the access permissions of the table to 'Anyone on the internet with the link can edit'.
1937 +
1938 +(% style="text-align:center" %)
1939 +[[image:z6rgXmeOMz1.png||height="621" width="982"]]
1940 +
1941 +1.3 Enable the Apps Script extension feature for the sheet.
1942 +
1943 +(% style="text-align:center" %)
1944 +[[image:u8QbgKcOgA.png||height="621" width="982"]]
1945 +
1946 +1.4 On the Apps Script editing page, program according to actual needs.
1947 +
1948 +Google Apps Script Demo
1949 +
1950 +{{code language="JavaScript"}}
1951 +/**
1952 + * Handles POST requests: parses JSON data, writes it to the sheet with timestamp
1953 + * Expected JSON format: {
1954 + * sheetName: "Sheet1" (optional, defaults to "Sheet1"),
1955 + * integerNumber: 123,
1956 + * floatingNumber: 45.67,
1957 + * stringData: "example text"
1958 + * }
1959 + */
1960 +function doPost(e) {
1961 + // 1. Parse the JSON data from the request body
1962 + var data;
1963 + try {
1964 + data = JSON.parse(e.postData.contents);
1965 + } catch (error) {
1966 + return ContentService.createTextOutput('Error: Invalid JSON data');
1967 + }
1968 +
1969 + // 2. Get the target sheet (defaults to "Sheet1")
1970 + var sheetName = data.sheetName || 'Sheet1';
1971 + var sheet = SpreadsheetApp.getActiveSpreadsheet().getSheetByName(sheetName);
1972 + if (!sheet) {
1973 + return ContentService.createTextOutput('Error: Specified sheet not found');
1974 + }
1975 +
1976 + // 3. Verify required fields are present
1977 + if (data.integerNumber === undefined ||
1978 + data.floatingNumber === undefined ||
1979 + data.stringData === undefined) {
1980 + return ContentService.createTextOutput('Error: Missing required fields (integerNumber, floatingNumber, stringData)');
1981 + }
1982 +
1983 + // 4. Generate formatted current timestamp (first column)
1984 + var now = new Date();
1985 + var timeZone = SpreadsheetApp.getActiveSpreadsheet().getSpreadsheetTimeZone();
1986 + var formattedTimestamp = Utilities.formatDate(now, timeZone, "yyyy-MM-dd HH:mm:ss");
1987 +
1988 + // 5. Extract data from JSON
1989 + var integerNumber = data.integerNumber;
1990 + var floatingNumber = data.floatingNumber;
1991 + var stringData = data.stringData;
1992 +
1993 + // 6. Append the data to the sheet with proper column mapping:
1994 + // Column A: Time (timestamp)
1995 + // Column B: Integer number
1996 + // Column C: Floating number
1997 + // Column D: String data
1998 + sheet.appendRow([formattedTimestamp, integerNumber, floatingNumber, stringData]);
1999 +
2000 + // 7. Return success response
2001 + return ContentService.createTextOutput('Success: Data written to Google Sheets');
2002 +}
2003 +{{/code}}
2004 +
2005 +(% style="text-align:center" %)
2006 +[[image:PixPin_2026-03-05_14-40-27.png||height="623" width="985"]]
2007 +
2008 +1.5 Click "Deploy" to make a new deployment. Select the 'Web APP' type, set the user permissions, and complete the deployment of the script.
2009 +
2010 +(% style="text-align:center" %)
2011 +[[image:3W00uSwkVQ1.png||height="641" width="981"]]
2012 +
2013 +1.6 In the 'Manage deployments' interface, obtain the URL of the web app.
2014 +
2015 +(% style="text-align:center" %)
2016 +[[image:HoLYu2nzvq.png||height="631" width="966"]]
2017 +
2018 +2. Test the Web APP URL
2019 +
2020 +With the Web APP URL, we can test it via API testing tool (Postman, Hoppscotch)
2021 +
2022 +Web APP Handles POST requests: parses JSON data, writes it to the sheet with timestamp
2023 +
2024 +Header: [Content-Type: application/json]
2025 +
2026 +Expected JSON format: {
2027 +
2028 + sheetName: "Sheet1" (optional, defaults to "Sheet1"),
2029 +
2030 + integerNumber: 123,
2031 +
2032 + floatingNumber: 45.67,
2033 +
2034 + stringData: "example text"
2035 +
2036 + }
2037 +
2038 +(% style="text-align:center" %)
2039 +[[image:8a8vG9Z7IT.png||height="597" width="913"]]
2040 +
2041 +POST request execution effect
2042 +
2043 +(% style="text-align:center" %)
2044 +[[image:WeCom Screenshot_20260305153954.png||height="602" width="921"]]
2045 +
2046 +{{info}}
2047 +After successfully testing with the API tool, it is recommended to change the General access of the Google Sheet to 'Restricted.' This will help improve data security without affecting the use of the Web App.
2048 +
2049 +(% style="text-align:center" %)
2050 +[[image:RW7OUCVVp1.png||height="617" width="943"]]
2051 +
2052 +
2053 +{{/info}}
2054 +
2055 +
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