读取csv文件时跳过第一行
例如，
package main
import (
"bufio"
"encoding/csv"
"fmt"
"io"
"os"
)
func readSample(rs io.ReadSeeker) ([][]string, error) {
// Skip first row (line)
row1, err := bufio.NewReader(rs).ReadSlice('\n')
if err != nil {
return nil, err
}
_, err = rs.Seek(int64(len(row1)), io.SeekStart)
if err != nil {
return nil, err
}
// Read remaining rows
r := csv.NewReader(rs)
rows, err := r.ReadAll()
if err != nil {
return nil, err
}
return rows, nil
}
func main() {
f, err := os.Open("sample.csv")
if err != nil {
panic(err)
}
defer f.Close()
rows, err := readSample(f)
if err != nil {
panic(err)
}
fmt.Println(rows)
}
输出：
$ cat sample.csv
one,two,three,four
1,2,3
4,5,6
$ go run sample.go
[[1 2 3] [4 5 6]]
$
$ cat sample.csv
PTN Ethernet-Port RMON Performance,PORT_BW_UTILIZATION,2019-06-29 20:00:00,33366
deviceid,DeviceName,ResourceName,CollectionTime,GranularityPeriod,PORT_RX_BW_UTILIZATION,PORT_TX_BW_UTILIZATION,RXGOODFULLFRAMESPEED,TXGOODFULLFRAMESPEED,PORT_RX_BW_UTILIZATION_MAX,PORT_TX_BW_UTILIZATION_MAX
3174659,H1095,H1095-11-ISM6-1(to ZJBSC-V1),2019-06-29 20:00:00,15,22.08,4.59,,,30.13,6.98
3174659,H1095,H1095-14-ISM6-1(to T6147-V),2019-06-29 20:00:00,15,2.11,10.92,,,4.43,22.45
$ go run sample.go
[[deviceid DeviceName ResourceName CollectionTime GranularityPeriod PORT_RX_BW_UTILIZATION PORT_TX_BW_UTILIZATION RXGOODFULLFRAMESPEED TXGOODFULLFRAMESPEED PORT_RX_BW_UTILIZATION_MAX PORT_TX_BW_UTILIZATION_MAX] [3174659 H1095 H1095-11-ISM6-1(to ZJBSC-V1) 2019-06-29 20:00:00 15 22.08 4.59 30.13 6.98] [3174659 H1095 H1095-14-ISM6-1(to T6147-V) 2019-06-29 20:00:00 15 2.11 10.92 4.43 22.45]]
$
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