data := []byte("C语言中文网")
rd := bytes.NewReader(data)
r := bufio.NewReader(rd)
var buf [128]byte
n, err := r.Read(buf[:])
fmt.Println(string(buf[:n]), n, err)
wr := bytes.NewBuffer(nil)
w := bufio.NewWriter(wr)
p := []byte("C语言中文网")
n, err := w.Write(p)
w.Flush()
fmt.Println(string(wr.Bytes()), n, err)
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