Update add xstrings.Capitalize(s string) string

mix-go · Oct 17, 2023 · 856e8b2 · 856e8b2
1 parent 820485c
commit 856e8b2
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Showing 2 changed files with 17 additions and 5 deletions.
diff --git a/README.md b/README.md
@@ -33,10 +33,11 @@ go get github.com/mix-go/xutil
 
 ## xstrings
 
-| Function                                                   | Description                                                    |  
-|------------------------------------------------------------|----------------------------------------------------------------|
-| xstrings.IsNumeric(s string) bool                          | Used to check if the variable is a number or a numeric string. |
-| xstrings.SubString(s string, start int, length int) string | Return part of a string                                        |
+| Function                                                   | Description                                                              |  
+|------------------------------------------------------------|--------------------------------------------------------------------------|
+| xstrings.IsNumeric(s string) bool                          | Used to check if the variable is a number or a numeric string.           |
+| xstrings.SubString(s string, start int, length int) string | Return part of a string                                                  |
+| xstrings.Capitalize(s string) string                       | The function converts the first letter of the input string to uppercase. |
 
 ## xconv
 

diff --git a/xstrings/strings.go b/xstrings/strings.go
@@ -1,6 +1,9 @@
 package xstrings
 
-import "strconv"
+import (
+	"strconv"
+	"strings"
+)
 
 func IsNumeric(s string) bool {
 	_, err := strconv.ParseFloat(s, 64)
@@ -21,3 +24,11 @@ func SubString(s string, start int, length int) string {
 
 	return string(runes[start:end])
 }
+
+func Capitalize(s string) string {
+	if len(s) > 0 {
+		first := strings.ToUpper(s[:1]) // 将首字母转化为大写
+		return first + s[1:]
+	}
+	return s
+}