http://www.calhoun.io/5-tips-for-using-strings-in-go-2/?utm_source=golangweekly&utm_medium=email

intToString.go

package main

import (
    "fmt"
    "strconv"
)

func main() {
    i := 123
    t := strconv.Itoa(i)
    fmt.Println(t)
}

intToStringSprintf.go

package main

import "fmt"

func main() {
    i := 123
    t := fmt.Sprintf("We are currently processing ticket number %d.", i)
    fmt.Println(t)
}

randomString.go

package main

import (
    "fmt"
    "math/rand"
    "time"
)

func main() {
    fmt.Println(RandString(10))
}

var source = rand.NewSource(time.Now().UnixNano())

const charset = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"

func RandString(length int) string {
    b := make([]byte, length)
    for i := range b {
        b[i] = charset[source.Int63()%int64(len(charset))]
    }
    return string(b)
}

stringToByte.go

package main

import "fmt"

func main() {
	var s string = "this is a string"
	fmt.Println(s)
	var b []byte
	b = []byte(s)
	fmt.Println(b)
	for i := range b {
		fmt.Println(string(b[i]))
	}
	s = string(b)
	fmt.Println(s)
}