GoLang 使用协程与管道随机生成姓名

package main

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

//CreateRandomStr 创建100个随机字符串姓名-协程
func CreateRandomStr(strNameChan chan string, ExitChan chan bool) {
    rand.Seed(time.Now().UnixNano())

    str1 := []string{"赵", "钱", "孙", "李", "周", "吴", "郑", "王", "冯", "陈"}
    str2 := []string{"大", "小", "建", "平", "正", "国", "亮", "尔", "圆", "婷"}
    str3 := []string{"新", "温", "文", "野", "叶", "天", "甜", "天", "浩", "丽"}
    var sum int
    for i := 0; i < 100; i++ {

        name := fmt.Sprint(str1[rand.Intn(len(str1))], str2[rand.Intn(len(str2))], str3[rand.Intn(len(str3))])

        strNameChan <- name
        sum++
    }

    fmt.Printf("一共生成了 %v 个姓名
", sum)
    close(strNameChan)
    ExitChan <- true
}

//ReadStrToSort 读取文件并按照名称姓氏排序
func ReadStrToSort(strNameChan chan string, sortChan chan string, ExitChan chan bool) {
    var nameSlice []string
    for i := 0; i < 100; i++ {

        //name := <-strNameChan
        //nameSlice = append(nameSlice,name)

        nameSlice = append(nameSlice, <-strNameChan)

    }

    //排序
    sort.Strings(nameSlice[:])
    //将排好序的切片元素姓名在推入管道
    for _, value := range nameSlice {
        sortChan <- value
    }

    ExitChan <- true
    close(sortChan)
}

//PrintNames 输出姓名
func PrintNames(sortChan chan string, ExitChan chan bool) {
    //time.Sleep(time.Second * 3)
    for i := 0; i < 100; i++ {
        fmt.Printf("姓名:%v
", <-sortChan)
    }

    ExitChan <- true
}
func main() {
    /*
        ● 要求:
        ● 协程1 CreateRandomStr:创建100个随机姓名    存储到管道strNameChan
        ● 协程2 ReadStrToSort:读取管道strNameChan里的数据 排序后写入 sortChan管道
        ● exitChan管道    存储协程状态值
    */
    //创建通道

    strNameChan := make(chan string, 100)
    sortChan := make(chan string, 100)
    ExitChan := make(chan bool, 3)

    //开启协程
    go CreateRandomStr(strNameChan, ExitChan)
    go ReadStrToSort(strNameChan, sortChan, ExitChan)
    PrintNames(sortChan, ExitChan)

    fmt.Println("主线程等待协程...")

    //主线程等待匿名函数
    go func() {
        for i := 0; i < 3; i++ {
            r := <-ExitChan
            if r != true {
                break
            }
        }
        close(ExitChan)
    }()

    fmt.Println("主线程结束...")

}