package main
import (
"fmt"
"math/rand"
"os"
"time"
)
/*
@内存数据持久化到文件
·循环输入一堆人名
·为每个人创建一个Person对象
·随机生成其性别、生肖、星座
·将这些信息写出到《投胎.txt》
*/
/*性别常量*/
type Gender int
var genders []string = []string{"女","男","娘炮","女汉子","死变态"}
const (
Female Gender = iota
Male
niangpao
nvhanzi
sibiantai
)
/*生肖*/
type Shengxiao int
var shengxiaos []string = []string{"鼠","牛","虎","兔子","龙","蛇","马","羊","猴","鸡","狗","猪"}
const (
Rat Shengxiao = iota //鼠
Ox //牛
Tiger //虎
Rabbit //兔子
Dragon //龙
Snake //蛇
Horse //马
Goat //羊
Money //猴
Rooster //鸡
Dog //狗
Pig //猪
)
/*星座*/
type Xingzuo int
var xingzuos []string = []string{"白羊座","金牛座","双子座","巨蟹座","狮子座","处女座","天秤座","天蝎座","射手座","摩羯座","水瓶座","双鱼座"}
const (
Aries Xingzuo = iota //白羊座
Taurus // 金牛座
Gemini // 双子座
Cancer // 巨蟹座
Leo // 狮子座
Virgo // 处女座
Libra //天秤座
Scorpio //天蝎座
Sagittarius //射手座
Capricornus //摩羯座
Aquarius //水瓶座
Pisces //双鱼座
)
type Person struct {
Name string
Gender Gender
Shengxiao Shengxiao
Xingzuo Xingzuo
}
func NewPerson(name string,gender Gender,shengxiao Shengxiao,xingzuo Xingzuo) *Person {
person :=new(Person)
person.Name = name
person.Xingzuo = xingzuo
person.Shengxiao = shengxiao
person.Gender = gender
return person
}
/*
让Person实现系统的String接口（不要用指针去实现，要用实例去实现）
该接口的String()方法的返回值，会在fmt.printxxx时使用
*/
func (p Person)String() string {
return fmt.Sprintf("Person{姓名：%s,性别：%s,生肖：%s,星座：%s}",p.Name,genders[p.Gender],shengxiaos[p.Shengxiao],xingzuos[p.Xingzuo])
}
func main() {
var names = []string{"李元霸", "宇文成都","裴元庆","雄阔海","你妹","山本","一龙"}
people := make([]*Person, 0)
for _,name := range names{
//随机生成性别，生肖，星座
gender,shengxiao,xingzuo := GetRandomConfig()
person := NewPerson(name, gender, shengxiao, xingzuo)
people = append(people, person)
}
for _,p := range people{
fmt.Println(*p)
WritePerson2File(`F:BlockChaincodeW2day4投胎.txt`, p)
}
}
/*将人员信息写入指定文件*/
func WritePerson2File(filename string, person *Person) {
file, err := os.OpenFile(filename, os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0666)
if err != nil{
fmt.Println("打开文件失败err=",err)
return
}
defer file.Close()
file.WriteString(person.String()+"
")
fmt.Println("写出成功：",person.Name)
}
func GetRandomConfig() (gender Gender,shengxiao Shengxiao,xingzuo Xingzuo) {
//强制阻塞睡眠1纳秒，以确保时间种子得以更新
time.Sleep(1 * time.Nanosecond)
rand := rand.New(rand.NewSource(time.Now().UnixNano()))
gender = Gender(rand.Intn(5))
shengxiao = Shengxiao(rand.Intn(12))
xingzuo = Xingzuo(rand.Intn(12))
return
}
输出：
Person{姓名：李元霸,性别：男,生肖：羊,星座：摩羯座}
写出成功： 李元霸
Person{姓名：宇文成都,性别：死变态,生肖：狗,星座：金牛座}
写出成功： 宇文成都
Person{姓名：裴元庆,性别：女汉子,生肖：鸡,星座：水瓶座}
写出成功： 裴元庆
Person{姓名：雄阔海,性别：娘炮,生肖：龙,星座：射手座}
写出成功： 雄阔海
Person{姓名：你妹,性别：女,生肖：狗,星座：处女座}
写出成功： 你妹
Person{姓名：山本,性别：女,生肖：鸡,星座：天秤座}
写出成功： 山本
Person{姓名：一龙,性别：娘炮,生肖：猴,星座：天蝎座}
写出成功： 一龙