GoLang 根据出生日期计算年龄、星座、生肖

根据出生日期计算一个人的年龄、星座、生肖是平时常用的例子，下面是简单实现代码。

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106

package main

import (
    "fmt"
    "time"
)

func main() {
    y, m, d := GetTimeFromStrDate("1988-08-18")
    fmt.Println(GetAge(y), string('岁'))
    fmt.Println(GetConstellation(m, d))
    fmt.Println(GetZodiac(y))
}

func GetTimeFromStrDate(date string) (year, month, day int) {
    const shortForm = "2006-01-02"
    d, err := time.Parse(shortForm, date)
    if err != nil {
        fmt.Println("出生日期解析错误！")
        return 0, 0, 0
    }
    year = d.Year()
    month = int(d.Month())
    day = d.Day()
    return
}

func GetZodiac(year int) (zodiac string) {
    if year <= 0 {
        zodiac = "-1"
    }
    start := 1901
    x := (start - year) % 12
    if x < 0 {
        x += 12
    }

    switch x {
    case 1:
        zodiac = "鼠"
    case 0:
        zodiac = "牛"
    case 11:
        zodiac = "虎"
    case 10:
        zodiac = "兔"
    case 9:
        zodiac = "龙"
    case 8:
        zodiac = "蛇"
    case 7:
        zodiac = "马"
    case 6:
        zodiac = "羊"
    case 5:
        zodiac = "猴"
    case 4:
        zodiac = "鸡"
    case 3:
        zodiac = "狗"
    case 2:
        zodiac = "猪"
    }
    return
}

func GetAge(year int) (age int) {
    if year <= 0 {
        age = -1
    }
    nowyear := time.Now().Year()
    age = nowyear - year
    return
}

func GetConstellation(month, day int) (star string) {
    switch {
    case month <= 0, month >= 13, day <= 0, day >= 32:
        star = "-1"
    case (month == 1 && day >= 20), (month == 2 && day <= 18):
        star = "水瓶座"
    case (month == 2 && day >= 19), (month == 3 && day <= 20):
        star = "双鱼座"
    case (month == 3 && day >= 21), (month == 4 && day <= 19):
        star = "白羊座"
    case (month == 4 && day >= 20), (month == 5 && day <= 20):
        star = "金牛座"
    case (month == 5 && day >= 21), (month == 6 && day <= 21):
        star = "双子座"
    case (month == 6 && day >= 22), (month == 7 && day <= 22):
        star = "巨蟹座"
    case (month == 7 && day >= 23), (month == 8 && day <= 22):
        star = "狮子座"
    case (month == 8 && day >= 23), (month == 9 && day <= 22):
        star = "处女座"
    case (month == 9 && day >= 23), (month == 10 && day <= 22):
        star = "天秤座"
    case (month == 10 && day >= 23), (month == 11 && day <= 21):
        star = "天蝎座"
    case (month == 11 && day >= 22), (month == 12 && day <= 21):
        star = "射手座"
    case (month == 12 && day >= 22), (month == 1 && day <= 19):
        star = "魔蝎座"
    }
    return
}

运行输出：

1
2
3

27 岁
狮子座
龙

本文网址: https://golangnote.com/topic/34.html 转摘请注明来源