golang 读写文件
怎么能吧这个忘了,golang读写文件最近本的,哈哈
package main
import (
"fmt"
"os"
)
func main() {
f, err := os.OpenFile("file2.txt", os.O_RDWR | os.O_CREATE | os.O_APPEND, 0x644)
if err != nil {
panic(err)
}
defer f.Close()
wint, err := f.WriteString("helloworld")
if err != nil {
panic(err)
}
fmt.Printf("%d\n", wint)
_, err = f.Seek(0, 0)
if err != nil {
panic(err)
}
bs := make([]byte, 100)
rint, err := f.Read(bs)
if err != nil {
panic(err)
}
fmt.Printf("%d, %s\n", rint, bs)
}