Merge pull request #45 from ccpwcn/dev

[feat] 新增功能：ArabicToChinese 将一个阿拉伯数字转为中文数字，超实用

init.go

@@ -1,5 +1,9 @@
 package kgo
 
+type IntUintBig interface {
+	~int | ~int64 | ~uint | ~uint64
+}
+
 type IntUintFloat interface {
 	~int | ~int8 | ~int16 | ~int32 | ~int64 | ~uint | ~uint8 | ~uint16 | ~uint32 | ~uint64 | ~float32 | ~float64
 }

kg_str/arabic_convert.go

@@ -0,0 +1,52 @@
+package kg_str
+
+import (
+	"github.com/ccpwcn/kgo"
+	"regexp"
+)
+
+type reCheck struct {
+	pattern     *regexp.Regexp
+	replacement string
+}
+
+var (
+	chineseNumbers = []string{"零", "一", "二", "三", "四", "五", "六", "七", "八", "九"}
+	chineseUnit    = []string{"", "十", "百", "千", "万", "十", "百", "千", "亿", "十", "百", "千"}
+	regExpList     = []reCheck{
+		{pattern: regexp.MustCompile(`^一十`), replacement: "十"},
+		{pattern: regexp.MustCompile(`零[千百十]`), replacement: "零"},
+		{pattern: regexp.MustCompile(`零+`), replacement: "零"},
+		{pattern: regexp.MustCompile(`零零`), replacement: "零"},
+		{pattern: regexp.MustCompile(`零$`), replacement: ""},
+		{pattern: regexp.MustCompile(`零+万`), replacement: "万"},
+		{pattern: regexp.MustCompile(`零+亿`), replacement: "亿"},
+		{pattern: regexp.MustCompile(`亿万`), replacement: "亿零"},
+	}
+)
+
+// ArabicToChinese 阿里数字转中文数字
+func ArabicToChinese[T kgo.IntUintBig](arabic T) string {
+	if arabic < 0 {
+		return ""
+	}
+	if arabic > 9999_9999_9999 {
+		return ""
+	}
+	var (
+		dst   = ""
+		count = 0
+	)
+	for arabic > 0 {
+		dst = (chineseNumbers[arabic%10] + chineseUnit[count]) + dst
+		arabic /= 10
+		count++
+	}
+	for _, re := range regExpList {
+		dst = re.pattern.ReplaceAllString(dst, re.replacement)
+	}
+	if dst == "" {
+		dst = "零"
+	}
+	return dst
+}

kg_str/arabic_convert_test.go

@@ -0,0 +1,62 @@
+package kg_str
+
+import (
+	"github.com/ccpwcn/kgo"
+	"testing"
+)
+
+func TestArabicToChinese(t *testing.T) {
+	type args[T kgo.IntUintBig] struct {
+		arabic T
+	}
+	type testCase[T kgo.IntUintBig] struct {
+		name string
+		args args[T]
+		want string
+	}
+	tests := []testCase[int]{
+		{name: "0", args: args[int]{arabic: 0}, want: "零"},
+		{name: "1", args: args[int]{arabic: 1}, want: "一"},
+		{name: "9", args: args[int]{arabic: 9}, want: "九"},
+		{name: "12", args: args[int]{arabic: 12}, want: "十二"},
+		{name: "36", args: args[int]{arabic: 36}, want: "三十六"},
+		{name: "123", args: args[int]{arabic: 123}, want: "一百二十三"},
+		{name: "1234", args: args[int]{arabic: 1234}, want: "一千二百三十四"},
+		{name: "12345", args: args[int]{arabic: 12345}, want: "一万二千三百四十五"},
+		{name: "123456", args: args[int]{arabic: 123456}, want: "十二万三千四百五十六"},
+		{name: "1234567", args: args[int]{arabic: 1234567}, want: "一百二十三万四千五百六十七"},
+		{name: "12345678", args: args[int]{arabic: 12345678}, want: "一千二百三十四万五千六百七十八"},
+		{name: "10", args: args[int]{arabic: 10}, want: "十"},
+		{name: "20", args: args[int]{arabic: 20}, want: "二十"},
+		{name: "101", args: args[int]{arabic: 101}, want: "一百零一"},
+		{name: "110", args: args[int]{arabic: 110}, want: "一百一十"},
+		{name: "118", args: args[int]{arabic: 118}, want: "一百一十八"},
+		{name: "120", args: args[int]{arabic: 120}, want: "一百二十"},
+		{name: "1002", args: args[int]{arabic: 1002}, want: "一千零二"},
+		{name: "1030", args: args[int]{arabic: 1030}, want: "一千零三十"},
+		{name: "10_0300", args: args[int]{arabic: 10_0300}, want: "十万零三百"},
+		{name: "100_3004", args: args[int]{arabic: 100_3004}, want: "一百万三千零四"},
+		{name: "1000_3004", args: args[int]{arabic: 1000_3004}, want: "一千万三千零四"},
+		{name: "1001_3004", args: args[int]{arabic: 1001_3004}, want: "一千零一万三千零四"},
+		{name: "1010_3004", args: args[int]{arabic: 1010_3004}, want: "一千零一十万三千零四"},
+		{name: "1100_3004", args: args[int]{arabic: 1100_3004}, want: "一千一百万三千零四"},
+		{name: "1000_3014", args: args[int]{arabic: 1000_3014}, want: "一千万三千零一十四"},
+		{name: "1001_3104", args: args[int]{arabic: 1001_3104}, want: "一千零一万三千一百零四"},
+		{name: "1001_3140", args: args[int]{arabic: 1001_3140}, want: "一千零一万三千一百四十"},
+		{name: "1001_3141", args: args[int]{arabic: 1001_3141}, want: "一千零一万三千一百四十一"},
+		{name: "101_3004", args: args[int]{arabic: 101_3004}, want: "一百零一万三千零四"},
+		{name: "1_0030_0400", args: args[int]{arabic: 1_0030_0400}, want: "一亿零三十万零四百"},
+		{name: "12_1234_5678", args: args[int]{arabic: 12_1234_5678}, want: "十二亿一千二百三十四万五千六百七十八"},
+		{name: "131_1234_5678", args: args[int]{arabic: 131_1234_5678}, want: "一百三十一亿一千二百三十四万五千六百七十八"},
+		{name: "1231_1234_5678", args: args[int]{arabic: 1231_1234_5678}, want: "一千二百三十一亿一千二百三十四万五千六百七十八"},
+		{name: "1002_1234_5678", args: args[int]{arabic: 1002_1234_5678}, want: "一千零二亿一千二百三十四万五千六百七十八"},
+		{name: "1020_1234_5678", args: args[int]{arabic: 1020_1234_5678}, want: "一千零二十亿一千二百三十四万五千六百七十八"},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if got := ArabicToChinese(tt.args.arabic); got != tt.want {
+				t.Errorf("ArabicToChinese() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}