From dd5f3fa3ba1beddc69b1cc4586c533685fd264ea Mon Sep 17 00:00:00 2001
From: iyear <ljyngup@gmail.com>
Date: Mon, 14 Jun 2021 22:12:18 +0800
Subject: [PATCH] add function comments

---
 util/util.go | 30 +++++++++---------------------
 1 file changed, 9 insertions(+), 21 deletions(-)

diff --git a/util/util.go b/util/util.go
index be3aa34..88b3468 100644
--- a/util/util.go
+++ b/util/util.go
@@ -8,11 +8,10 @@ import (
 	"log"
 	"net/url"
 	"os"
-	"strings"
 	"time"
 )
 
-//true=>no error
+// Min true=>no error
 func Min(x, y int) int {
 	if x < y {
 		return x
@@ -38,21 +37,6 @@ func PathExists(path string) bool {
 	}
 	return false
 }
-func GetBetweenStr(str, start, end string) string {
-	n := strings.Index(str, start)
-	if n == -1 {
-		n = 0
-	} else {
-		n = n + len(start)
-	}
-	str = string([]byte(str)[n:])
-	m := strings.Index(str, end)
-	if m == -1 {
-		m = len(str)
-	}
-	str = string([]byte(str)[:m])
-	return str
-}
 func GetURLValue(Url, key string) string {
 	u, _ := url.Parse(Url)
 	query := u.Query()
@@ -60,19 +44,17 @@ func GetURLValue(Url, key string) string {
 	return query.Get(key)
 }
 
-//返回一个32位md5加密后的字符串
 func GetMD5Encode(data string) string {
 	h := md5.New()
 	h.Write([]byte(data))
 	return hex.EncodeToString(h.Sum(nil))
 }
 
-//返回一个16位md5加密后的字符串
 func Get16MD5Encode(data string) string {
 	return GetMD5Encode(data)[8:24]
 }
 
-//只返回文件名
+// GetPathFiles only return file name
 func GetPathFiles(path string) []string {
 	files, _ := ioutil.ReadDir(path)
 	var t []string
@@ -86,7 +68,7 @@ func GetPathFiles(path string) []string {
 	return t
 }
 
-//输入文件夹路径，返回最近n个log的路径，不到n个返回所有
+// GetRecentLogs 输入文件夹路径，返回最近n个log的路径，不到n个返回所有
 func GetRecentLogs(path string, n int) []string {
 	var paths []string
 	if !PathExists(path) {
@@ -110,3 +92,9 @@ func GetRecentLogs(path string, n int) []string {
 	}
 	return paths
 }
+func IF(f bool, a interface{}, b interface{}) interface{} {
+	if f {
+		return a
+	}
+	return b
+}