How to Write Data to Google Sheets Using the Golang Google Sheets API V4?

Golang Google Sheets API V4: Comprehensive Writing Example

Despite its simplicity, writing data to Google Sheets using Go can be a puzzling task for newcomers. This article will provide a comprehensive example to help you understand the process.

Core Logic

The core logic of writing data to Google Sheets involves the following steps:

1. Create a Google Sheets service client.
2. Specify the spreadsheet ID and write range.
3. Prepare the data to be written as a ValueRange object.
4. Use the client to update the specified range with the data.

Example Code

The following Go code demonstrates how to accomplish these steps:

<code class="go">package main

import (
    "context"
    "fmt"
    "log"

    sheets "google.golang.org/api/sheets/v4"
)

func main() {
    // Create a Google Sheets service client.
    ctx := context.Background()
    client, err := getSheetsService()
    if err != nil {
        log.Fatalf("Unable to retrieve Sheets client: %v", err)
    }

    // Specify the spreadsheet ID and write range.
    spreadsheetId := "YOUR_SPREADSHEET_ID"
    writeRange := "A1"

    // Prepare the data to be written.
    var vr sheets.ValueRange
    myval := []interface{}{"One", "Two", "Three"}
    vr.Values = append(vr.Values, myval)

    // Update the specified range with the data.
    _, err = client.Spreadsheets.Values.Update(spreadsheetId, writeRange, &vr).ValueInputOption("RAW").Do()
    if err != nil {
        log.Fatalf("Unable to update spreadsheet: %v", err)
    }

    fmt.Printf("Data successfully written to spreadsheet with ID: %v\n", spreadsheetId)
}</code>

Conclusion

This example provides a straightforward method for writing data to Google Sheets using Go. By following the provided code and understanding the underlying logic, you can easily integrate data writing functionality into your Go applications.

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