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pkg/util/encrypt.go

@@ -0,0 +1,63 @@
+package util
+
+import (
+	"encoding/base64"
+	"regexp"
+	"strconv"
+	"strings"
+)
+
+// EmojiEncode Emoji表情转码
+func EmojiDecode(s string) string {
+	//emoji表情的数据表达式
+	var re *regexp.Regexp
+	var reg *regexp.Regexp
+	var src []string
+	re = regexp.MustCompile("\\[[\\\\u0-9a-zA-Z]")
+	//提取emoji数据表达式
+	reg = regexp.MustCompile("\\[\\\\u|]")
+	src = re.FindAllString(s, -1)
+	for i := 0; i < len(src); i++ {
+		var e = reg.ReplaceAllString(src[i], "")
+		var p, err = strconv.ParseInt(e, 16, 32)
+		if err == nil {
+			s = strings.Replace(s, src[i], string(rune(p)), -1)
+		}
+	}
+	return s
+}
+
+// 表情转换
+func EmojiCode(s string) string {
+	var ret string
+	var rs []rune
+	rs = []rune(s)
+
+	for i := 0; i < len(rs); i++ {
+		if len(string(rs[i])) == 4 {
+			ret += `[\u` + strconv.FormatInt(int64(rs[i]), 16) + `]`
+		} else {
+			ret += string(rs[i])
+		}
+	}
+	return ret
+}
+
+// BaseEncode Base64编码
+func BaseEncode(s string) string {
+	data := []byte(s)
+	dst := make([]byte, base64.StdEncoding.EncodedLen(len(data)))
+	base64.StdEncoding.Encode(dst, data)
+	return string(dst)
+}
+
+// BaseDecode Base64解码
+func BaseDecode(s string) string {
+	data := []byte(s)
+	dst := make([]byte, base64.StdEncoding.DecodedLen(len(data)))
+	n, err := base64.StdEncoding.Decode(dst, data)
+	if err != nil {
+		return ""
+	}
+	return string(dst[:n])
+}