/
common.go
272 lines (241 loc) · 5.67 KB
/
common.go
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package heldiamgo
import (
"encoding/json"
"regexp"
"strings"
"math/rand"
"time"
"fmt"
"unicode"
"strconv"
"github.com/coreos/etcd/pkg/idutil"
"github.com/pborman/uuid"
)
//时间格式
const (
DateFormat = "2006-01-02"
DateTimeFormat = "2006-01-02 15:04:05"
TimeFormat = "15:04:05"
)
var idGen = idutil.NewGenerator(uint16(rand.Uint32()>>16), time.Now())
func UUID() string {
return strings.Replace(uuid.NewUUID().String(), "-", "", -1)
}
//生成数字ID带日期
func IDGen() string {
next := idGen.Next()
return fmt.Sprintf("%s%d", time.Now().Format("060102"), next)
}
//生成唯一数字ID
func ID() uint64 {
return idGen.Next()
}
//生成随机字符串,len字符串长度,onlynumber 是否只包含数字
func RandCode(len int, onlynumber bool) string {
if len < 1 {
return ""
}
rand.Seed(time.Now().UnixNano())
ret := make([]byte, len)
if onlynumber {
chars := []byte("0123456789")
for i := 0; i < len; i++ {
ret[i] = chars[rand.Int31n(9)]
}
} else {
chars := []byte("abcdefghijklmnopqrstuvwxyz0123456789")
for i := 0; i < len; i++ {
ret[i] = chars[rand.Int31n(35)]
}
}
return string(ret[:])
}
//验证是否是有效的邮箱
func IsEmail(emailaddress string) bool {
regexpstring := `^[a-zA-Z0-9_.-]+@[a-zA-Z0-9-]+(\.[a-zA-Z0-9-]+)*\.[a-zA-Z0-9]{2,6}`
ret, _ := regexp.MatchString(regexpstring, emailaddress)
return ret
}
//验证是否是有效的手机号
func IsPhone(phonenumber string) bool {
//regexpstring := `^1[3|4|5|7|8|9][0-9]\d{8}$`
regexpstring := `^1\d{10}$`
ret, _ := regexp.MatchString(regexpstring, phonenumber)
return ret
}
//验证是否有效的身份证号码
func IsIdCard(Identnumber string) bool {
regexpstring := `^[1-9]\d{7}((0\d)|(1[0-2]))(([0|1|2]\d)|3[0-1])\d{3}$|^[1-9]\d{5}[1-9]\d{3}((0\d)|(1[0-2]))(([0|1|2]\d)|3[0-1])\d{3}([0-9]|X)$`
ret, _ := regexp.MatchString(regexpstring, Identnumber)
return ret
}
// 验证是否为家庭电话
func IsHomePhone(phone string) bool {
regexpstring := `^(\d{3}-)(\d{8})$|^(\d{4}-)(\d{7})$|^(\d{4}-)(\d{8})$`
ret, _ := regexp.MatchString(regexpstring, phone)
return ret
}
//字符串数组去重
func RemoveStringArrayDuplicate(list []string) []string {
var x []string
for _, i := range list {
if len(x) == 0 {
x = append(x, i)
} else {
for k, v := range x {
if i == v {
break
}
if k == len(x)-1 {
x = append(x, i)
}
}
}
}
return x
}
//判断是否有中文
func IsChineseChar(str string) bool {
for _, r := range str {
if unicode.Is(unicode.Scripts["Han"], r) ||
(regexp.MustCompile("[\u3002\uff1b\uff0c\uff1a\u201c\u201d\uff08\uff09\u3001\uff1f\u300a\u300b]").MatchString(string(r))) {
return true
}
}
return false
}
// 当前日期时间
func TimeNow() string {
return time.Now().Format(DateTimeFormat)
}
//json数据
func JsonString(obj interface{}) string {
ret, _ := json.Marshal(obj)
return string(ret)
}
//验证是否是时间字符串
func IsTimeString(timeString string, timeFormat string) bool {
_, err := time.ParseInLocation(timeFormat, timeString, time.Local)
return err == nil
}
// 判断字符串类型的切片元素是否重复
func StringSliceIsRepeat(slc []string) bool {
result := []string{} // 存放结果
for i := range slc {
flag := true
for j := range result {
if slc[i] == result[j] {
flag = false // 存在重复元素,标识为false
break
}
}
if flag { // 标识为false,不添加进结果
result = append(result, slc[i])
}
}
if len(slc) == len(result) {
return false
}
return true
}
// 浮点数保留指定的位数
// @value float64 要转换的浮点数值
// @preciseDigits int 要保留的位数
func Decimal(value float64, preciseDigits int) float64 {
precise := "%." + strconv.Itoa(preciseDigits) + "f"
value, _ = strconv.ParseFloat(fmt.Sprintf(precise, value), 64)
return value
}
//日期起始时间
func DateStartTimeString(t time.Time) string {
return t.Format(DateFormat) + " 00:00:00"
}
//日期结束时间
func DateEndTimeString(t time.Time) string {
return t.Format(DateFormat) + " 23:59:59"
}
// int64数组去除重复
func RemoveInt64ArrayDuplicate(arr []int64) (newArr []int64) {
newArr = make([]int64, 0)
for i := 0; i < len(arr); i++ {
repeat := false
for j := i + 1; j < len(arr); j++ {
if arr[i] == arr[j] {
repeat = true
break
}
}
if !repeat {
newArr = append(newArr, arr[i])
}
}
return
}
// int32数组去除重复
func RemoveInt32ArrayDuplicate(arr []int32) (newArr []int32) {
newArr = make([]int32, 0)
for i := 0; i < len(arr); i++ {
repeat := false
for j := i + 1; j < len(arr); j++ {
if arr[i] == arr[j] {
repeat = true
break
}
}
if !repeat {
newArr = append(newArr, arr[i])
}
}
return
}
// int数组去除重复
func RemoveIntArrayDuplicate(arr []int) (newArr []int) {
newArr = make([]int, 0)
for i := 0; i < len(arr); i++ {
repeat := false
for j := i + 1; j < len(arr); j++ {
if arr[i] == arr[j] {
repeat = true
break
}
}
if !repeat {
newArr = append(newArr, arr[i])
}
}
return
}
// float64数组去除重复
func RemoveFloat64ArrayDuplicate(arr []float64) (newArr []float64) {
newArr = make([]float64, 0)
for i := 0; i < len(arr); i++ {
repeat := false
for j := i + 1; j < len(arr); j++ {
if arr[i] == arr[j] {
repeat = true
break
}
}
if !repeat {
newArr = append(newArr, arr[i])
}
}
return
}
// float32数组去除重复
func RemoveFloat32ArrayDuplicate(arr []float32) (newArr []float32) {
newArr = make([]float32, 0)
for i := 0; i < len(arr); i++ {
repeat := false
for j := i + 1; j < len(arr); j++ {
if arr[i] == arr[j] {
repeat = true
break
}
}
if !repeat {
newArr = append(newArr, arr[i])
}
}
return
}