002-Go通过ioutil 读写文件

package main

import(
    "io/ioutil"
    "fmt"
)

func main(){
    b,err := ioutil.ReadFile("G:/tmp/json格式.txt")

    if err != nil{
        fmt.Println(err)
    }

    fmt.Println(b)
    fmt.Println(string(b))
}

package main

import(
    "io/ioutil"
    "fmt"
)

func main(){
    str := []byte("Hello,Go!")
    err := ioutil.WriteFile("G:/tmp/test.txt", str, 0644)
    if err != nil{
        panic(err)
    }else{
        fmt.Println("WriteFile Success!")
    }
    
}