package main

import (
    "fmt"
    "strings"
)

func main()  {
    //判断父字符串是否包含子字符串,包含为真,否则为假
    fmt.Println("-------------------------------")
    fmt.Println("contains Function:", strings.Contains("Austrilia", "lia"))
    fmt.Println("contains Function:", strings.Contains("Austrilia", "mia"))

    //子字符串在父字符串中出现的次数
    fmt.Println("-------------------------------")
    fmt.Println("Count Function: ",strings.Count("Australia", "lia"))
    fmt.Println("Count Function: ",strings.Count("Australia", "A"))
    fmt.Println("Count Function: ",strings.Count("Australia", "Bu"))

    //判断子字符串是否为父字符串的前缀
    fmt.Println("-------------------------------")
    fmt.Println("HasPrefix Function: ",strings.HasPrefix("Australia", "Bu"))
    fmt.Println("HasPrefix Function: ",strings.HasPrefix("Australia", "Aus"))

    ////判断子字符串是否为父字符串的后缀
    fmt.Println("-------------------------------")
    fmt.Println("HasSuffix Function: ",strings.HasSuffix("Australia", "lia"))
    fmt.Println("HasSuffix Function: ",strings.HasSuffix("Australia", "tia"))

    //子字符串首次出现在父子符串的索引下标
    fmt.Println("-------------------------------")
    fmt.Println("Index Function:",strings.Index("Australia", "lia"))
    fmt.Println("Index Function: ",strings.Index("Australia", "a"))
    fmt.Println("Index Function: ",strings.Index("Australia", "A"))

    //连接函数,指定分隔符将字符串连接起来
    fmt.Println("-------------------------------")
    fmt.Println("Join Functions:",strings.Join([]string{"Austrilia", "Japen", "Germany"}, "-"))
    fmt.Println("Join Function: ",strings.Join([]string{"Australia","Japan","Germany"}," "))

    //重复函数,指定字符串重复出现的次数
    fmt.Println("-------------------------------")
    fmt.Println("Repeat Function:", strings.Repeat("Australia",3))

    //替换字符串函数,
    fmt.Println("-------------------------------")
    fmt.Println("Replace Function: ",strings.Replace("Australia ","a","b",1))
    fmt.Println("Replace Function: ",strings.Replace("Australia ","a","b",2))
    fmt.Println("Replace Function: ",strings.Replace("Aaustralia ","a","b",3))
    fmt.Println("Replace Function: ",strings.Replace("Australia ","A","B",1))
    fmt.Println("Replace Function: ",strings.Replace("Australia ","lia","pia",1))

    //分割函数,指定分隔符分隔字符串
    fmt.Println("-------------------------------")
    fmt.Println("Split Function:", strings.Split("Australia-Japan-Germany","-"))

    //把字符转小写
    fmt.Println("-------------------------------")
    fmt.Println("ToLower Function: ",strings.ToLower("Australia"))

    //把字符串转大写
    fmt.Println("-------------------------------")
    fmt.Println("ToUpper Function: ",strings.ToUpper("Australia"))

}