Pelaksanaan Golang pembelajaran cara mengeksport data dari awal

package main

import (
    "fmt"
)

type Person struct {
    Name  string
    Age   int
    City  string
    Email string
}

func main() {
    // 示例数据
    persons := []Person{
        {Name: "Alice", Age: 25, City: "Beijing", Email: "alice@example.com"},
        {Name: "Bob", Age: 30, City: "Shanghai", Email: "bob@example.com"},
        {Name: "Cathy", Age: 28, City: "Guangzhou", Email: "cathy@example.com"},
    }

    for _, p := range persons {
        fmt.Printf("Name: %s, Age: %d, City: %s, Email: %s
", p.Name, p.Age, p.City, p.Email)
    }
}

package main

import (
    "encoding/csv"
    "os"
)

func main() {
    // 示例数据
    persons := []Person{
        {Name: "Alice", Age: 25, City: "Beijing", Email: "alice@example.com"},
        {Name: "Bob", Age: 30, City: "Shanghai", Email: "bob@example.com"},
        {Name: "Cathy", Age: 28, City: "Guangzhou", Email: "cathy@example.com"},
    }

    // 创建CSV文件
    file, err := os.Create("persons.csv")
    if err != nil {
        panic(err)
    }
    defer file.Close()

    // 创建CSV写入器
    writer := csv.NewWriter(file)
    defer writer.Flush()

    // 写入表头
    header := []string{"Name", "Age", "City", "Email"}
    writer.Write(header)

    // 写入数据
    for _, p := range persons {
        record := []string{p.Name, fmt.Sprintf("%d", p.Age), p.City, p.Email}
        writer.Write(record)
    }

    writer.Flush()
}

package main

import (
    "fmt"
    "os"
)

func main() {
    // 示例数据
    persons := []Person{
        {Name: "Alice", Age: 25, City: "Beijing", Email: "alice@example.com"},
        {Name: "Bob", Age: 30, City: "Shanghai", Email: "bob@example.com"},
        {Name: "Cathy", Age: 28, City: "Guangzhou", Email: "cathy@example.com"},
    }

    // 创建文本文件
    file, err := os.Create("persons.txt")
    if err != nil {
        panic(err)
    }
    defer file.Close()

    // 写入数据
    for _, p := range persons {
        fmt.Fprintf(file, "Name: %s, Age: %d, City: %s, Email: %s
", p.Name, p.Age, p.City, p.Email)
    }
}