golang io 操作

1,往Writer接口写字符串

往一个实现了io.Writer接口的类型writer写字符串
io.WriterString(writer,"hahahhah")

2,从Reader接口里读字符串

r:=bufdio.NewReader(Reader)
r.ReadLine()

body := response.Body

container,err:=ioutil.ReadAll(body)

3,将Reader接口类型读出来写入到Writer接口

io.Copy(dest Writer,src Reader) //相当于倒水，src的水会倒入到dest里 src里的水会为空