package main

import (
    "encoding/csv"
    "fmt"
    "strings"
)

func main() {
    csvData := `姓名,年龄,城市
张三,25,北京
李四,30,上海
王五,28,深圳`

    reader := csv.NewReader(strings.NewReader(csvData))
    records, err := reader.ReadAll()
    if err != nil {
        fmt.Println("读取失败:", err)
        return
    }

    for i, record := range records {
        fmt.Printf("第%d行: %v\n", i+1, record)
    }
}

for {
    record, err := reader.Read()
    if err == io.EOF {
        break
    }
    if err != nil {
        fmt.Println("读取出错:", err)
        break
    }
    fmt.Println(record)
}

package main

import (
    "encoding/csv"
    "fmt"
    "strings"
)

func main() {
    var buf strings.Builder
    writer := csv.NewWriter(&buf)

    // 写入表头
    writer.Write([]string{"姓名", "年龄", "城市"})
    // 写入数据行
    writer.Write([]string{"赵六", "32", "广州"})
    writer.Write([]string{"钱七", "29", "杭州"})

    // 必须调用 Flush
    writer.Flush()

    if err := writer.Error(); err != nil {
        fmt.Println("写入失败:", err)
        return
    }

    fmt.Println(buf.String())
}

file, _ := os.Create("output.csv")
defer file.Close()
writer := csv.NewWriter(file)
// ... 写入逻辑
writer.Flush()

import (
    "golang.org/x/text/encoding/simplifiedchinese"
    "golang.org/x/text/transform"
)

file, _ := os.Open("data.csv")
defer file.Close()

decoder := simplifiedchinese.GBK.NewDecoder()
reader := csv.NewReader(transform.NewReader(file, decoder.Transform()))

records, _ := reader.ReadAll()

reader := csv.NewReader(strings.NewReader(data))
reader.Comma = ';'  // 设置分隔符为分号
records, _ := reader.ReadAll()

writer := csv.NewWriter(&buf)
writer.Comma = '\t' // 使用制表符