Go语言操作CSV格式文件

package main    import (   "encoding/csv"   "fmt"   "os"  )    func main() {   file, _ := os.OpenFile("test.csv", os.O_WRONLY|os.O_CREATE, os.ModePerm)   w := csv.NewWriter(file)   w.Write([]string{"123", "234234", "345345", "234234"})   w.Flush()     file.Close()     rfile, _ := os.Open("test.csv")   r := csv.NewReader(rfile)   strs, _ := r.Read()   for _, str := range strs {    fmt.Print(str, "\t")   }  }