dongfeng-pay/jhagent/sys/public_method.go
2019-12-19 16:43:20 +08:00

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