add KStr.StartsWith

string.go

@@ -227,6 +227,17 @@ func (ks *LkkString) StartsWith(str, sub string, ignoreCase bool) bool {
 	return false
 }
 
+// StartsWiths 字符串str是否以subs其中之一为开头.
+func (ks *LkkString) StartsWiths(str string, subs []string, ignoreCase bool) (res bool) {
+	for _, sub := range subs {
+		res = ks.StartsWith(str, sub, ignoreCase)
+		if res {
+			break
+		}
+	}
+	return
+}
+
 // EndsWith 字符串str是否以sub结尾.
 func (ks *LkkString) EndsWith(str, sub string, ignoreCase bool) bool {
 	if str != "" && sub != "" {
@@ -237,6 +248,17 @@ func (ks *LkkString) EndsWith(str, sub string, ignoreCase bool) bool {
 	return false
 }
 
+// EndsWiths 字符串str是否以subs其中之一为结尾.
+func (ks *LkkString) EndsWiths(str string, subs []string, ignoreCase bool) (res bool) {
+	for _, sub := range subs {
+		res = ks.EndsWith(str, sub, ignoreCase)
+		if res {
+			break
+		}
+	}
+	return
+}
+
 // Trim 去除字符串首尾处的空白字符（或者其他字符）.
 // characterMask为要修剪的字符.
 func (ks *LkkString) Trim(str string, characterMask ...string) string {

string_test.go

@@ -3139,4 +3139,33 @@ func BenchmarkString_CountWords(b *testing.B) {
 	for i := 0; i < b.N; i++ {
 		_, _ = KStr.CountWords(helloOther)
 	}
-}
+}
+
+func TestString_StartsWith(t *testing.T) {
+	var tests = []struct {
+		str        string
+		sub        string
+		ignoreCase bool
+		expected   bool
+	}{
+		{"", "", false, false},
+		{helloEng, "", false, false},
+		{helloOther2, "hello", false, false},
+		{helloOther2, "Hello", false, true},
+		{helloOther2, "hello", true, true},
+		{helloOther2, "Hello 你好", false, true},
+		{helloOther2, "hello 你好", true, true},
+		{helloOther2, "world 世", true, false},
+	}
+	for _, test := range tests {
+		actual := KStr.StartsWith(test.str, test.sub, test.ignoreCase)
+		assert.Equal(t, actual, test.expected)
+	}
+}
+
+func BenchmarkString_StartsWith(b *testing.B) {
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
+		KStr.StartsWith(helloOther2, "hello", true)
+	}
+}