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204 lines
6.3 KiB
204 lines
6.3 KiB
package gostring
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import (
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"errors"
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"fmt"
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"go.dtapp.net/gorandom"
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"go.dtapp.net/gotime"
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)
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// GenerateId 生成18一编号
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func GenerateId(customId string) string {
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currentTime := gotime.Current().Format()
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one, err := generateIdOne(customId, currentTime)
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if err == nil {
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return one
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}
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two, err := generateIdTwo(customId, currentTime)
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if err == nil {
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return two
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}
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three, err := generateIdThree(customId, currentTime)
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if err == nil {
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return three
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}
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four, err := generateIdFour(customId, currentTime)
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if err == nil {
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return four
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}
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five, err := generateIdFive(customId, currentTime)
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if err == nil {
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return five
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}
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six, err := generateIdSix(customId)
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return six
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}
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// GenerateIdAndTime 生成18一编号
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func GenerateIdAndTime(customId, customTime string) string {
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one, err := generateIdOne(customId, customTime)
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if err == nil {
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return one
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}
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two, err := generateIdTwo(customId, customTime)
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if err == nil {
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return two
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}
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three, err := generateIdThree(customId, customTime)
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if err == nil {
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return three
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}
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four, err := generateIdFour(customId, customTime)
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if err == nil {
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return four
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}
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five, err := generateIdFive(customId, customTime)
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if err == nil {
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return five
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}
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six, err := generateIdSix(customId)
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return six
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}
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// 生成18位时间[年月日时分]唯一编号
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func generateIdOne(customId, setTime string) (string, error) {
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var (
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newRandomLength = 0 // 随机数据长度
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customIdLength = len(customId) // 自定义长度
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)
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const (
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randomLength = 5 // 随机数据长度
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dataLength = 18 // 默认数据长度
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dateFormat = "200601021504" // 时间格式
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dateFormatLength = len(dateFormat) // 时间格式长度
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)
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// 重新计算随机数据长度
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newRandomLength = dataLength - (dateFormatLength + customIdLength)
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if (dateFormatLength+customIdLength > dataLength) || (dateFormatLength+customIdLength == dataLength) || (newRandomLength < randomLength) {
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return "", errors.New("没有满足条件")
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}
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return fmt.Sprintf("%v%s%s", customId, gotime.SetCurrentParse(setTime).SetFormat(dateFormat), gorandom.Numeric(newRandomLength)), nil
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}
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// 生成18位时间[年月日时]唯一编号
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func generateIdTwo(customId, setTime string) (string, error) {
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var (
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newRandomLength = 0 // 随机数据长度
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customIdLength = len(customId) // 自定义长度
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)
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const (
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randomLength = 5 // 随机数据长度
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dataLength = 18 // 默认数据长度
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dateFormat = "2006010215" // 时间格式
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dateFormatLength = len(dateFormat) // 时间格式长度
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)
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// 重新计算随机数据长度
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newRandomLength = dataLength - (dateFormatLength + customIdLength)
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if (dateFormatLength+customIdLength > dataLength) || (dateFormatLength+customIdLength == dataLength) || (newRandomLength < randomLength) {
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return "", errors.New("没有满足条件")
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}
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return fmt.Sprintf("%v%s%s", customId, gotime.SetCurrentParse(setTime).SetFormat(dateFormat), gorandom.Numeric(newRandomLength)), nil
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}
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// 生成18位时间[年月日]唯一编号
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func generateIdThree(customId, setTime string) (string, error) {
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var (
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newRandomLength = 0 // 随机数据长度
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customIdLength = len(customId) // 自定义长度
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)
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const (
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randomLength = 5 // 随机数据长度
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dataLength = 18 // 默认数据长度
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dateFormat = "20060102" // 时间格式
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dateFormatLength = len(dateFormat) // 时间格式长度
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)
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// 重新计算随机数据长度
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newRandomLength = dataLength - (dateFormatLength + customIdLength)
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if (dateFormatLength+customIdLength > dataLength) || (dateFormatLength+customIdLength == dataLength) || (newRandomLength < randomLength) {
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return "", errors.New("没有满足条件")
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}
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return fmt.Sprintf("%v%s%s", customId, gotime.SetCurrentParse(setTime).SetFormat(dateFormat), gorandom.Numeric(newRandomLength)), nil
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}
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// 生成18位时间[年月]唯一编号
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func generateIdFour(customId, setTime string) (string, error) {
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var (
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newRandomLength = 0 // 随机数据长度
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customIdLength = len(customId) // 自定义长度
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)
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const (
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randomLength = 5 // 随机数据长度
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dataLength = 18 // 默认数据长度
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dateFormat = "200601" // 时间格式
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dateFormatLength = len(dateFormat) // 时间格式长度
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)
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// 重新计算随机数据长度
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newRandomLength = dataLength - (dateFormatLength + customIdLength)
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if (dateFormatLength+customIdLength > dataLength) || (dateFormatLength+customIdLength == dataLength) || (newRandomLength < randomLength) {
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return "", errors.New("没有满足条件")
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}
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return fmt.Sprintf("%v%s%s", customId, gotime.SetCurrentParse(setTime).SetFormat(dateFormat), gorandom.Numeric(newRandomLength)), nil
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}
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// 生成18位时间[年]唯一编号
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func generateIdFive(customId, setTime string) (string, error) {
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var (
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newRandomLength = 0 // 随机数据长度
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customIdLength = len(customId) // 自定义长度
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)
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const (
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randomLength = 5 // 随机数据长度`
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dataLength = 18 // 默认数据长度
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dateFormat = "2006" // 时间格式
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dateFormatLength = len(dateFormat) // 时间格式长度
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)
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// 重新计算随机数据长度
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newRandomLength = dataLength - (dateFormatLength + customIdLength)
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if (dateFormatLength+customIdLength > dataLength) || (dateFormatLength+customIdLength == dataLength) || (newRandomLength < randomLength) {
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return "", errors.New("没有满足条件")
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}
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return fmt.Sprintf("%v%s%s", customId, gotime.SetCurrentParse(setTime).SetFormat(dateFormat), gorandom.Numeric(newRandomLength)), nil
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}
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// 生成18位随机唯一编号
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func generateIdSix(customId string) (string, error) {
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var (
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newRandomLength = 0 // 随机数据长度
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customIdLength = len(customId) // 自定义长度
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)
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const (
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randomLength = 5 // 随机数据长度
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dataLength = 18 // 默认数据长度
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)
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// 重新计算随机数据长度
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newRandomLength = dataLength - customIdLength
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if (customIdLength > dataLength) || (customIdLength == dataLength) || (newRandomLength < randomLength) {
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return "", errors.New("没有满足条件")
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}
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return fmt.Sprintf("%v%s", customId, gorandom.Numeric(newRandomLength)), nil
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}
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