// CheckID_card project main.go
package main/*
* ai -> a1 , a2, a3, a4, a5, a6... a17 (a18 是校验码) 身份证前17位对应(ai)
* wi -> 7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2 (17位)
*
* int res = 0;
* for (i = 1; i < 17; i++) {
* res += (a[i] * w[i])
* }
* int y = res % 11;
*
*
* y 与 a18的对应关系
*
* y { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10}
* a18 { 1, 0, ‘X‘, 9, 8, 7, 6, 5, 4, 3, 2 } -> vefiry[18] = { 1, 0, ‘X‘, 9, 8, 7, 6, 5, 4, ,3, 2};
*/import (
"fmt"
"strconv"
//"os"
//"strings"
)func byte2int(x byte) byte {
if x == 88 {
return ‘X‘
}
return (x - 48) // ‘X‘ - 48 = 40;
}func check_id(id [17]byte) int {
arry := make([]int, 17)//强制类型转换,将[]byte转换成[]int ,变化过程
// []byte -> byte -> string -> int
//将通过range 将[]byte转换成单个byte,再用强制类型转换string(),将byte转换成string
//再通过strconv.Atoi()将string 转换成int 类型
for k, v := range id {
arry[k], _ = strconv.Atoi(string(v))
}
/*
for p := 0; p < len(arry); p++ {
fmt.Println("arry[", p, "]", "=", arry[p])
}
*/var wi [17]int = [...]int{7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2}
var res int
for i := 0; i < 17; i++ {
//fmt.Println("id =", i, byte2int(id[i]), wi[i])
res += arry[i] * wi[i]
}//fmt.Println("res = ", res)
return (res % 11)
}func verify_id(verify int, id_v byte) (bool, string) {
var temp byte
var i int
a18 := [11]byte{1, 0, ‘X‘, 9, 8, 7, 6, 5, 4, 3, 2}for i = 0; i < 11; i++ {
if i == verify {
temp = a18[i]
//fmt.Println("verify_id id",)
// if a18[i] == ‘X‘ ,let convert it to type string
if (a18[i] == 88 ) {
fmt.Println("计算得到身份证最后一位是 ", string(a18[i]))
} else {
fmt.Println("计算得到身份证最后一位是 ", a18[i])
}
//fmt.Println(i, temp)
break
}
}
//if id_v == ‘X‘, let‘s convert it to type string
if (id_v == 88) {
fmt.Println("身份证最后一位是 ", string(id_v))
} else {
fmt.Println("身份证最后一位是 ", id_v) // id_v是身份证的最后一位
}if temp == id_v {
return true, "验证成功"
}return false, "验证失败"
}func usage() {
fmt.Println("请输入要检查的身份证号码18位\n")
}func main() {
var id_card [18]byte // ‘X‘ == byte(88), ‘X‘在byte中表示为88
var id_card_copy [17]bytevar id_card_string string
fmt.Scanf("%s", &id_card_string)
fmt.Println("身份证号码是 = ", id_card_string)
//fmt.Println("id_card_string len = ", len(id_card_string))if len(id_card_string) < 18 {
panic("必须要输入18位的身份证号码")
}// 将字符串,转换成[]byte,并保存到id_card[]数组当中
for k, v := range []byte(id_card_string) {
id_card[k] = byte(v)
}//复制id_card[18]前17位元素到id_card_copy[]数组当中
for j := 0; j < 17; j++ {
id_card_copy[j] = id_card[j]//fmt.Println(byte2int(id_card[j]))
}
/*
fmt.Println(byte2int(id_card[17]))
fmt.Println(string(id_card[17]))
*/
/*
y := check_id(id_card_copy)
fmt.Println(y)
*/fmt.Println(verify_id(check_id(id_card_copy), byte2int(id_card[17])))
}//测试身份证号码:34052419800101001X
//测试身份证号码:511028199507215915
运行效果如下:
代码托管于github: https://github.com/sndnvaps/CheckID_card
检验身份证的正确性(Golang版本),布布扣,bubuko.com