v1.0.0

service/lib/cmn/base.go

@@ -0,0 +1,207 @@
+package cmn
+
+import (
+	// "calendar-note-gin/assets"
+	"crypto/md5"
+	"encoding/hex"
+	"fmt"
+	"io/ioutil"
+	"math/rand"
+	"os"
+	"path"
+	"strconv"
+	"strings"
+	"sun-panel/assets"
+	"time"
+)
+
+const (
+	// 时间格式
+
+	TimeFormatMode1         = "2006-01-02 15:04:05" // 标准格式
+	TimeFormatMode4         = "2006-01-02 15:04"    // 标准格式 无秒
+	TimeFormatMode2         = "Mon Jan 2 15:04:05 -0700 MST 2006"
+	TimeFormatMode3         = "Mon, 2 Jan 2006 15:04:05 -0700 MST" // webdav格式
+	TimeYYYY_mm_dd          = "2006-01-02"
+	TIME_MODE_REMINDER_TIME = "200601021504" // 提醒定时器的执行时间格式
+
+	// 随机码字典
+
+	RAND_CODE_MODE1 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789" // 大写，小写，数字
+	RAND_CODE_MODE2 = "abcdefghijklmnopqrstuvwxyz0123456789"                           // 小写，数字
+	RAND_CODE_MODE3 = "0123456789"                                                     // 数字
+)
+
+type Version_Info struct {
+	Version      string
+	Version_code int
+}
+
+func GetTime() string {
+	return time.Unix(time.Now().Unix(), 0).Format(TimeFormatMode1)
+}
+
+// 字符串转时间
+func StrToTime(timeMode, formatTimeStr string) (t time.Time, err error) {
+	loc, err := time.LoadLocation("Local")
+	if err != nil {
+		return
+	}
+	t, err = time.ParseInLocation(timeMode, formatTimeStr, loc) //使用模板在对应时区转化为time.time类型
+	return
+}
+
+// md5获取
+func Md5(str string) string {
+	md5Byte := md5.Sum([]byte(str))
+	return hex.EncodeToString(md5Byte[:])
+}
+
+func RandNum(n int) int {
+	rand.Seed(time.Now().Unix())
+	return rand.Intn(n)
+}
+
+// 随机生成编码
+// 随机码字典内容 参考常量 RAND_CODE_MODE*
+func BuildRandCode(count int, secret_content string) (code string) {
+	return BuildRandCodeBySeed(count, secret_content, time.Now().UnixNano()+int64(rand.Intn(100)))
+}
+
+// 随机生成编码 参考常量 RAND_CODE_MODE*
+func BuildRandCodeBySeed(count int, secret_content string, seed int64) (code string) {
+	// 获取纳秒作为随机数种子
+	rand.Seed(seed)
+	if secret_content == "" {
+		secret_content = RAND_CODE_MODE1
+	}
+	for i := 0; i < count; i++ {
+		code += string(secret_content[rand.Intn(len(secret_content))])
+	}
+	return code
+}
+
+func InSlice(items []string, item string) bool {
+	for _, eachItem := range items {
+		if eachItem == item {
+			return true
+		}
+	}
+	return false
+}
+
+// 字符串转int
+func StrToInt(str string) int {
+	intStr, _ := strconv.Atoi(str)
+	return intStr
+}
+
+// uint 转string
+func UintToStr(c uint) string {
+	return strconv.FormatUint(uint64(c), 10)
+}
+
+// uint 转string
+func StrToUint(s string) uint {
+	// i, _ := strconv.Atoi(s)
+	u, _ := strconv.ParseUint(s, 10, 64)
+	return uint(u)
+}
+
+// 获取系统信息
+func GetSysVersionInfo() Version_Info {
+	cBytes, _ := assets.Asset("assets/version")
+	c := string(cBytes)
+	info := strings.Split(c, "|")
+
+	return Version_Info{
+		Version_code: StrToInt(info[0]),
+		Version:      info[1],
+	}
+}
+
+// 文件是否存在
+func 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
+}
+
+// 截取字符串，支持多字节字符
+// start：起始下标，负数从从尾部开始，最后一个为-1
+// length：截取长度，负数表示截取到末尾
+func SubRuneStr(str string, start int, length int) (result string) {
+	s := []rune(str)
+	total := len(s)
+	if total == 0 {
+		return
+	}
+	// 允许从尾部开始计算
+	if start < 0 {
+		start = total + start
+		if start < 0 {
+			return
+		}
+	}
+	if start > total {
+		return
+	}
+	// 到末尾
+	if length < 0 {
+		length = total
+	}
+
+	end := start + length
+	if end > total {
+		result = string(s[start:])
+	} else {
+		result = string(s[start:end])
+	}
+
+	return
+}
+
+// 字符串长度
+func RuneStrLen(str string) int {
+	return len([]rune(str))
+}
+
+// 是否在数组中
+func InStringArray(arr []string, item string) bool {
+	for _, v := range arr {
+		if v == item {
+			return true
+		}
+	}
+	return true
+}
+
+// 从Assets文件夹中抽取文件保存到路劲
+// AssetsTakeFileToPath("config.ini", targetPath string)
+func AssetsTakeFileToPath(assetsPath, targetPath string) error {
+	bytes, _ := assets.Asset("assets/" + assetsPath)
+	targetPathPath := path.Dir(targetPath)
+	exists, err := PathExists(targetPathPath)
+
+	if err != nil {
+		return err
+	}
+	if !exists {
+		if err := os.MkdirAll(targetPathPath, 0777); err != nil {
+			fmt.Println(456)
+			return err
+		}
+	}
+	return ioutil.WriteFile(targetPath, bytes, 0666)
+}
+
+// 密码加密
+func PasswordEncryption(password string) string {
+	return Md5(Md5(Md5(password)))
+}