From b57b32944aabc4b36fb19d2c6c5bcf0ee509cc91 Mon Sep 17 00:00:00 2001
From: tiglog <me@tiglog.com>
Date: Wed, 20 Sep 2023 16:49:31 +0800
Subject: [PATCH] =?UTF-8?q?feat:=20=E5=A2=9E=E5=8A=A0=E4=B8=AD=E6=96=87?=
 =?UTF-8?q?=E7=9A=84=E4=B8=80=E4=BA=9B=E5=A4=84=E7=90=86?=
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---
 helper/str_helper.go      | 40 +++++++++++++++++++++++++++++++++++++++
 helper/str_helper_test.go | 11 +++++++++++
 2 files changed, 51 insertions(+)

diff --git a/helper/str_helper.go b/helper/str_helper.go
index eeb0773..62686b5 100644
--- a/helper/str_helper.go
+++ b/helper/str_helper.go
@@ -162,3 +162,43 @@ func Uniq(l int) string {
 	// log.Println("ret=", ret, ", pl=", pl, ", l=", l)
 	return ret[0:l]
 }
+
+func GetCjkRange(code int) string {
+	var result string
+	if code >= 0x3400 && code <= 0x4DBF {
+		result = "EXT-A"
+	} else if code >= 0x20000 && code <= 0x2A6DF {
+		result = "EXT-B"
+	} else if code >= 0x2A700 && code <= 0x2B739 {
+		result = "EXT-C"
+	} else if code >= 0x2B740 && code <= 0x2B81D {
+		result = "EXT-D"
+	} else if code >= 0x2B820 && code <= 0x2CEA1 {
+		result = "EXT-E"
+	} else if code >= 0x2CEB0 && code <= 0x2EBE0 {
+		result = "EXT-F"
+	} else if code >= 0x30000 && code <= 0x3134A {
+		result = "EXT-G"
+	} else if code >= 0x31350 && code <= 0x323AF {
+		result = "EXT-H"
+	} else if code >= 0xE000 && code <= 0xF8FF {
+		result = "PUA"
+	} else if code >= 0x4e00 && code <= 0x9FFF {
+		result = "GBK"
+	} else {
+		result = "Other"
+	}
+
+	return result
+}
+
+// 获取某个字的 unicode 值
+func Ord(in string) int {
+	s := []rune(in)
+	return int(s[0])
+}
+
+// 把 unicode 值转成字符串
+func Chr(code int) string {
+	return string(rune(code))
+}
diff --git a/helper/str_helper_test.go b/helper/str_helper_test.go
index 5df5b4f..fadb8ea 100644
--- a/helper/str_helper_test.go
+++ b/helper/str_helper_test.go
@@ -130,3 +130,14 @@ func TestCamel(t *testing.T) {
 	r1 := helper.CamelString(s1)
 	gtest.Equal(t, "XxYy", r1)
 }
+
+func TestOrd(t *testing.T) {
+	s := "中"
+	r := helper.Ord(s)
+	gtest.Equal(t, 20013, r)
+}
+
+func TestChr(t *testing.T) {
+	r := helper.Chr(20013)
+	gtest.Equal(t, "中", r)
+}