题解 | #字符串加密#

package main

import (
	"fmt"
	"strings"
)

func main() {
    // 输入的字符只包含小写
   var key,str string
   fmt.Scan(&key,&str)
    // 对key中的字母进行去重
    mymap:=make(map[rune]bool)
    tem:=[]rune{}
    for _,v:=range key{
        if ok,_:=mymap[v];!ok{
            mymap[v]=true
            tem = append(tem, v)
        }
    }
    // 创建两个对应的字母表
    biao1:=[]rune{'a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z'}
    // 表二的创建有了问题
    var biao2 []rune
    for _,v:=range tem{
        biao2=append(biao2, v)
    }
    for _,v:=range biao1{
        if !(strings.ContainsRune(string(biao2), v)){
            biao2=append(biao2, v)
        }
    }
    // 创建map方便扫描
    mymap1:=make(map[rune]rune)
    for i,v:=range biao1{
        mymap1[v]=biao2[i]
    }
    mymap1[' ']=' '

    // 具体的加密过程
    var res []rune
    for _,v:=range str{
        res = append(res,mymap1[v] )       
    }
    fmt.Println(string(res))
}