终端中实现字体颜色

package main
import (
 "fmt"
)
var (
 greenBg      = string([]byte{27, 91, 57, 55, 59, 52, 50, 109})
 whiteBg      = string([]byte{27, 91, 57, 48, 59, 52, 55, 109})
 yellowBg     = string([]byte{27, 91, 57, 48, 59, 52, 51, 109})
 redBg        = string([]byte{27, 91, 57, 55, 59, 52, 49, 109})
 blueBg       = string([]byte{27, 91, 57, 55, 59, 52, 52, 109})
 magentaBg    = string([]byte{27, 91, 57, 55, 59, 52, 53, 109})
 cyanBg       = string([]byte{27, 91, 57, 55, 59, 52, 54, 109})
 green        = string([]byte{27, 91, 51, 50, 109})
 white        = string([]byte{27, 91, 51, 55, 109})
 yellow       = string([]byte{27, 91, 51, 51, 109})
 red          = string([]byte{27, 91, 51, 49, 109})
 blue         = string([]byte{27, 91, 51, 52, 109})
 magenta      = string([]byte{27, 91, 51, 53, 109})
 cyan         = string([]byte{27, 91, 51, 54, 109})
 reset        = string([]byte{27, 91, 48, 109})
 disableColor = false
)
func main() {
 str := "hello world"
 fmt.Println(greenBg, str, reset)
 fmt.Println(whiteBg, str, reset)
 fmt.Println(yellowBg, str, reset)
 fmt.Println(redBg, str, reset)
 fmt.Println(blueBg, str, reset)
 fmt.Println(magentaBg, str, reset)
 fmt.Println(cyanBg, str, reset)
 word := "I love you"
 fmt.Println(green, word, reset)
 fmt.Println(white, word, reset)
 fmt.Println(yellow, word, reset)
 fmt.Println(red, word, reset)
 fmt.Println(blue, word, reset)
 fmt.Println(magenta, word, reset)
 fmt.Println(cyan, word, reset)
}