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golang csv writeall from struct

Alifudin Alfarizi answered on November 15, 2022 Popularity 3/10 Helpfulness 1/10

answer golang csv writeall from struct

golang csv writeall from struct

Comment

package main
import (
    "encoding/csv"
    "log"
    "os"
    "strconv"
)
type Employee struct {
    ID string
    Age int
}
func main() {
    records := []Employee{
        {"E01", 25},
        {"E02", 26},
        {"E03", 24},
        {"E04", 26},
    }
    file, err := os.Create("records.csv")
    defer file.Close()
    if err != nil {
        log.Fatalln("failed to open file", err)
    }
    w := csv.NewWriter(file)
    defer w.Flush()
    // Using Write
    for _, record := range records {
        row := []string{record.ID, strconv.Itoa(record.Age)}
        if err := w.Write(row); err != nil {
            log.Fatalln("error writing record to file", err)
        }
    }
    
    // Using WriteAll
    var data [][]string
    for _, record := range records {
        row := []string{record.ID, strconv.Itoa(record.Age)}
        data = append(data, row)
    }
    w.WriteAll(data)
}

Popularity 3/10 Helpfulness 1/10 Language go

Source: articles.wesionary.team

Tags: csv go struct

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