mirror of
https://github.com/kongyuebin1/dongfeng-pay.git
synced 2024-11-23 10:49:26 +08:00
151 lines
4.0 KiB
Go
151 lines
4.0 KiB
Go
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/***************************************************
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** @Desc : This file for 共有方法
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** @Time : 2019.04.01 11:48
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** @Author : Joker
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** @File : public_method
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** @Last Modified by : Joker
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** @Last Modified time: 2019-11-29 11:05:28
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** @Software: GoLand
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****************************************************/
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package sys
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import (
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"fmt"
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"juhe/jhmerchant/sys/enum"
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"math/rand"
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"os"
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"strconv"
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"strings"
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"time"
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)
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type PublicMethod struct{}
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// 返回当前时间的字符串:2006-01-02 15:04:05
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func (*PublicMethod) GetNowTime() string {
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return time.Now().Format("2006-01-02 15:04:05")
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}
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// 返回当前时间的字符串:20060102150405
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func (*PublicMethod) GetNowTimeV2() string {
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return time.Now().Format("20060102150405")
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}
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// 返回格式化的字符串:2006-01-02 15:04:05
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func (*PublicMethod) ParseDatetime(t time.Time) string {
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f := t.Format("2006-01-02 15:04:05")
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if strings.Compare("0001-01-01 00:00:00", f) == 0 {
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f = ""
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}
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return f
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}
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// 比较是否是同一天
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func (*PublicMethod) IsSameDay(d string) (bool, string) {
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now := time.Now()
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parse, e := time.Parse("2006-01-02 15:04:05", d)
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if e != nil {
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return false, fmt.Sprintf("比较时间:%s 格式不对, %v", d, e)
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}
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year := now.Year()-parse.Year() == 0
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mouth := strings.Compare(now.Month().String(), parse.Month().String()) == 0
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day := now.Day()-parse.Day() == 0
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if year && mouth && day {
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return true, ""
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}
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return false, fmt.Sprintf("比较时间:%s 与今天不是同一天,当天收益清零", d)
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}
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// 在数字、大写字母、小写字母范围内生成num位的随机字符串
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func (*PublicMethod) RandomString(length int) string {
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// 48 ~ 57 数字
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// 65 ~ 90 A ~ Z
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// 97 ~ 122 a ~ z
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// 一共62个字符,在0~61进行随机,小于10时,在数字范围随机,
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// 小于36在大写范围内随机,其他在小写范围随机
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rand.Seed(time.Now().UnixNano())
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result := make([]string, 0, length)
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for i := 0; i < length; i++ {
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t := rand.Intn(62)
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if t < 10 {
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result = append(result, strconv.Itoa(rand.Intn(10)))
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} else if t < 36 {
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result = append(result, string(rand.Intn(26)+65))
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} else {
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result = append(result, string(rand.Intn(26)+97))
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}
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}
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return strings.Join(result, "")
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}
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// 生成n位随机数字字符串
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func (*PublicMethod) RandomIntOfString(length int) string {
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result := make([]string, 0, length)
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rand.Seed(time.Now().UnixNano())
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for i := 0; i < length; i++ {
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randInt := rand.Intn(10)
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result = append(result, strconv.Itoa(randInt))
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}
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return strings.Join(result, "")
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}
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// @Description: 返回当前操作数据库的状态
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// @Author: Joker
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// @Date: 2019.04.01 14:37
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// @Param: code: 状态码,msg; 状态信息:url: 跳转地址; data: json内容
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// @return: Json串
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func (*PublicMethod) JsonFormat(code int, data interface{}, msg string, url string) (json map[string]interface{}) {
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if code == 9 {
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json = map[string]interface{}{
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"code": code,
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"data": data,
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"msg": msg,
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"url": url,
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}
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} else {
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json = map[string]interface{}{
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"code": code,
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"msg": msg,
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"url": url,
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}
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}
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return json
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}
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// 返回当前操作数据库的状态:成功/失败
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func (*PublicMethod) GetDatabaseStatus(code int) map[string]interface{} {
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msg := enum.FailedString
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if code == enum.SuccessFlag {
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msg = enum.SuccessString
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}
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out := make(map[string]interface{})
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out["code"] = code
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out["msg"] = msg
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return out
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}
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// 格式化浮点数
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func (*PublicMethod) FormatFloat64ToString(f float64) string {
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if f < 0 {
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f = 0
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}
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return fmt.Sprintf("%0.2f", f)
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}
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// 判断文件或文件夹是否存在
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// 使用os.Stat()函数返回的错误值进行判断:
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// 如果返回的错误为nil,说明文件或文件夹存在
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// 如果返回的错误类型
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// 使用os.IsNotExist()判断为true,说明文件或文件夹不存在
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// 如果返回的错误为其它类型,则不确定是否在存在
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func (*PublicMethod) PathExists(path string) (bool, error) {
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_, err := os.Stat(path)
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if err == nil {
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return true, nil
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}
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if os.IsNotExist(err) {
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return false, nil
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}
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return false, err
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}
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