feat: add str limit

hezhizheng · May 7, 2021 · c2190a7 · c2190a7
1 parent 9783a9f
commit c2190a7
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Showing 3 changed files with 16 additions and 0 deletions.
diff --git a/readme.md b/readme.md
@@ -20,6 +20,8 @@ pgo.Uniqid("") // 608a594ee0624
 pgo.MbStrlen("中文 1") // 4
 pgo.Explode(",","hello,world")
 pgo.Strpos("+1s","s") // 2
+// 将字符串以指定长度进行截断
+pgo.StrLimit("测试2q文字超出，符号补充 1a",10,"...") // 测试2q文字超出，符...
 
 pgo.Blank(0) // false
 pgo.IsNumeric("000") // true

diff --git a/string.go b/string.go
@@ -36,4 +36,13 @@ func Explode(delimiter, text string) []string {
 
 func Strpos(haystack, needle string) int {
 	return strings.Index(haystack, needle)
+}
+
+func StrLimit(str string , LimitLength int, delimiter string) string {
+	strLen := MbStrlen(str)
+	if strLen > LimitLength {
+		str = string([]rune(str)[:LimitLength]) + delimiter
+		return str
+	}
+	return str
 }
diff --git a/string_test.go b/string_test.go
@@ -35,4 +35,9 @@ func TestExplode(t *testing.T) {
 func TestStrpos(t *testing.T) {
 	strpos := Strpos("+1s","s")
 	assert.Equal(t, 2, strpos)
+}
+
+func TestStrLimit(t *testing.T) {
+	s := StrLimit("测试2q文字超出，符号补充 1a",10,"...")
+	assert.Equal(t, "测试2q文字超出，符...", s)
 }