id-validator/checker.go
2021-01-27 11:29:38 +08:00

95 lines
2.0 KiB
Go

package idvalidator
import (
"errors"
"regexp"
"strconv"
"strings"
"time"
)
// 检查ID参数
func checkIdArgument(id string) bool {
_, err := generateCode(id)
return err == nil
}
// 生成数据
func generateCode(id string) (map[string]string, error) {
length := len(id)
if length == 15 {
return generateShortCode(id)
}
if length == 18 {
return generateLongCode(id)
}
return map[string]string{}, errors.New("Invalid ID card number length.")
}
// 生成短数据
func generateShortCode(id string) (map[string]string, error) {
if len(id) != 15 {
return map[string]string{}, errors.New("Invalid ID card number length.")
}
mustCompile := regexp.MustCompile("(.{6})(.{6})(.{3})")
subMatch := mustCompile.FindStringSubmatch(strings.ToLower(id))
return map[string]string{
"body": subMatch[0],
"addressCode": subMatch[1],
"birthdayCode": "19" + subMatch[2],
"order": subMatch[3],
"checkBit": "",
"type": "15",
}, nil
}
// 生成长数据
func generateLongCode(id string) (map[string]string, error) {
if len(id) != 18 {
return map[string]string{}, errors.New("Invalid ID card number length.")
}
mustCompile := regexp.MustCompile("((.{6})(.{8})(.{3}))(.)")
subMatch := mustCompile.FindStringSubmatch(strings.ToLower(id))
return map[string]string{
"body": subMatch[1],
"addressCode": subMatch[2],
"birthdayCode": subMatch[3],
"order": subMatch[4],
"checkBit": subMatch[5],
"type": "18",
}, nil
}
// 检查地址码
func checkAddressCode(addressCode string, birthdayCode string) bool {
return getAddressInfo(addressCode, birthdayCode)["province"] != ""
}
// 检查出生日期码
func checkBirthdayCode(birthdayCode string) bool {
year, _ := strconv.Atoi(substr(birthdayCode, 0, 4))
if year < 1800 {
return false
}
nowYear := time.Now().Year()
if year > nowYear {
return false
}
_, err := time.Parse("20060102", birthdayCode)
return err == nil
}
// 检查顺序码
func checkOrderCode(orderCode string) bool {
return len(orderCode) == 3
}