insure/utils/str.go

package utils

import (
	"context"
	"insure/global"
	"log"
	"math/rand"
	"regexp"
	"strconv"
	"strings"
	"time"
)

func GenerateNo(noType string) string {
	now := time.Now()
	key := "no_" + noType + ":" + now.Format("200601021504")
	cxt := context.Background()
	val := global.Redis.Incr(cxt, key).Val()
	global.Redis.ExpireAt(cxt, key, now.Add(time.Minute))
	valStr := strconv.Itoa(int(val))
	l := len(valStr)
	valStr = strings.Repeat("0", l) + valStr
	return now.Format("20060102150405") + valStr
}

func GenerateRandomString(length int) string {
	charSet := "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
	result := make([]byte, length)
	for i := 0; i < length; i++ {
		result[i] = charSet[rand.Intn(len(charSet))]
	}
	return string(result)
}

func AmountToUpper(num float64) string {
	strNum := strconv.FormatFloat(num*100, 'f', 0, 64)
	sliceUnit := []string{"仟", "佰", "拾", "亿", "仟", "佰", "拾", "万", "仟", "佰", "拾", "元", "角", "分"}

	s := sliceUnit[len(sliceUnit)-len(strNum) : len(sliceUnit)]
	upperDigitUnit := map[string]string{"0": "零", "1": "壹", "2": "贰", "3": "叁", "4": "肆", "5": "伍", "6": "陆", "7": "柒", "8": "捌", "9": "玖"}
	str := ""
	for k, v := range strNum[:] {
		str = str + upperDigitUnit[string(v)] + s[k]
	}
	reg, err := regexp.Compile(`零角零分$`)
	str = reg.ReplaceAllString(str, "整")

	reg, err = regexp.Compile(`零角`)
	str = reg.ReplaceAllString(str, "零")

	reg, err = regexp.Compile(`零分$`)
	str = reg.ReplaceAllString(str, "整")

	reg, err = regexp.Compile(`零[仟佰拾]`)
	str = reg.ReplaceAllString(str, "零")

	reg, err = regexp.Compile(`零{2,}`)
	str = reg.ReplaceAllString(str, "零")

	reg, err = regexp.Compile(`零亿`)
	str = reg.ReplaceAllString(str, "亿")

	reg, err = regexp.Compile(`零万`)
	str = reg.ReplaceAllString(str, "万")

	reg, err = regexp.Compile(`零*元`)
	str = reg.ReplaceAllString(str, "元")

	reg, err = regexp.Compile(`亿零{0, 3}万`)
	str = reg.ReplaceAllString(str, "^元")

	reg, err = regexp.Compile(`零元`)
	str = reg.ReplaceAllString(str, "零")
	if err != nil {
		log.Fatal(err)
	}
	return str
}