Chilkat Examples

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Node.js Examples

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(Node.js) batchGet (Read Multiple Ranges)

Reads multiple ranges from a Google Sheets spreadsheet in one GET request.

Install Chilkat for Node.js and Electron using npm at

Chilkat npm packages for Node.js

Chilkat npm packages for Electron

on Windows, Linux, MacOSX, and ARM

var os = require('os');
if (os.platform() == 'win32') {  
    if (os.arch() == 'ia32') {
        var chilkat = require('@chilkat/ck-node11-win-ia32');
    } else {
        var chilkat = require('@chilkat/ck-node11-win64'); 
    }
} else if (os.platform() == 'linux') {
    if (os.arch() == 'arm') {
        var chilkat = require('@chilkat/ck-node11-arm');
    } else if (os.arch() == 'x86') {
        var chilkat = require('@chilkat/ck-node11-linux32');
    } else {
        var chilkat = require('@chilkat/ck-node11-linux64');
    }
} else if (os.platform() == 'darwin') {
    var chilkat = require('@chilkat/ck-node11-macosx');
}

function chilkatExample() {

    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    // This example uses a previously obtained access token having permission for the 
    // Google Sheets scope.

    // In this example, Get Google Sheets OAuth2 Access Token, the access
    // token was saved to a JSON file.  This example fetches the access token from the file..
    var jsonToken = new chilkat.JsonObject();
    var success = jsonToken.LoadFile("qa_data/tokens/googleSheets.json");
    if (jsonToken.HasMember("access_token") == false) {
        console.log("No access token found.");
        return;
    }

    // We'll be sending a GET request with query params to this URL:  https://sheets.googleapis.com/v4/spreadsheets/spreadsheetId/values:batchGet?ranges=Sheet1!A1:A2&ranges=Sheet1!B1:B2
    // The domain is "sheets.googleapis.com"
    // The path is "/v4/spreadsheets/spreadsheetId/values:batchGet"
    var req = new chilkat.HttpRequest();
    req.Path = "/v4/spreadsheets/spreadsheetId/values:batchGet";
    req.HttpVerb = "GET";
    // Add each range to fetch.
    req.AddParam("ranges","Sheet1!A1:A2");
    req.AddParam("ranges","Sheet1!B1:B2");

    var http = new chilkat.Http();
    http.AuthToken = jsonToken.StringOf("access_token");

    // 443 is the SSL/TLS port for HTTPS.
    // resp: HttpResponse
    var resp = http.SynchronousRequest("sheets.googleapis.com",443,true,req);
    if (http.LastMethodSuccess !== true) {
        console.log(http.LastErrorText);
        return;
    }

    console.log(resp.BodyStr);

    var json = new chilkat.JsonObject();
    json.Load(resp.BodyStr);

    // A sample response is shown below.
    // To generate the parsing source code for a JSON response, paste
    // the JSON into this online tool: Generate JSON parsing code

    // {
    //   "spreadsheetId": "1_SO2L-Y6nCayNpNppJLF0r9yHB2UnaCleGCKeE4O0SA",
    //   "valueRanges": [
    //     {
    //       "range": "Sheet1!A1:A2",
    //       "majorDimension": "ROWS",
    //       "values": [
    //         [
    //           "Item"
    //         ],
    //         [
    //           "Wheel"
    //         ]
    //       ]
    //     },
    //     {
    //       "range": "Sheet1!B1:B2",
    //       "majorDimension": "ROWS",
    //       "values": [
    //         [
    //           "Cost"
    //         ],
    //         [
    //           "$20.50"
    //         ]
    //       ]
    //     }
    //   ]
    // }

    var i;
    var count_i;
    var j;
    var count_j;
    var k;
    var count_k;

    var spreadsheetId = json.StringOf("spreadsheetId");
    i = 0;
    count_i = json.SizeOfArray("valueRanges");
    while (i < count_i) {
        json.I = i;
        var range = json.StringOf("valueRanges[i].range");
        var majorDimension = json.StringOf("valueRanges[i].majorDimension");
        j = 0;
        count_j = json.SizeOfArray("valueRanges[i].values");
        while (j < count_j) {
            json.J = j;
            k = 0;
            count_k = json.SizeOfArray("valueRanges[i].values[j]");
            while (k < count_k) {
                json.K = k;
                var strVal = json.StringOf("valueRanges[i].values[j][k]");
                k = k+1;
            }

            j = j+1;
        }

        i = i+1;
    }


}

chilkatExample();

 

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