commit 33dd14facd4f975e6a4d037f7ddff1eaf972aeef
Author: 李光春 <gc@dtapp.net>
Date:   Fri Apr 29 10:25:00 2022 +0800

    init

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..34509e3
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,8 @@
+.env
+.git
+.svn
+.idea
+.vscode
+*.log
+gitmod.sh
+*_test.go
\ No newline at end of file
diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..a0d0e5b
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2018 茂名聚合科技有限公司
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..d8b7032
--- /dev/null
+++ b/README.md
@@ -0,0 +1,25 @@
+<h1>
+<a href="https://www.dtapp.net/">Golang String</a>
+</h1>
+
+📦 Golang 字符串组件
+
+[comment]: <> (go)
+[![godoc](https://pkg.go.dev/badge/github.com/dtapps/gostring?status.svg)](https://pkg.go.dev/github.com/dtapps/gostring)
+[![goproxy.cn](https://goproxy.cn/stats/github.com/dtapps/gostring/badges/download-count.svg)](https://goproxy.cn/stats/github.com/dtapps/gostring)
+[![goreportcard.com](https://goreportcard.com/badge/github.com/dtapps/gostring)](https://goreportcard.com/report/github.com/dtapps/gostring)
+[![deps.dev](https://img.shields.io/badge/deps-go-red.svg)](https://deps.dev/go/github.com%2Fdtapps%2Fgostring)
+
+#### 安装使用
+
+```go
+go get -v -u github.com/dtapps/gostring
+```
+
+#### 导入
+
+```go
+import (
+    "github.com/dtapps/gostring"
+)
+```
\ No newline at end of file
diff --git a/gostring.go b/gostring.go
new file mode 100644
index 0000000..daea728
--- /dev/null
+++ b/gostring.go
@@ -0,0 +1,140 @@
+package gostring
+
+import (
+	"crypto/hmac"
+	"crypto/sha256"
+	"encoding/hex"
+	"strconv"
+	"strings"
+	"unicode/utf8"
+)
+
+// ToFloat64 string到float64
+func ToFloat64(s string) float64 {
+	i, _ := strconv.ParseFloat(s, 64)
+	return i
+}
+
+// ToInt string到int
+func ToInt(s string) int {
+	i, _ := strconv.Atoi(s)
+	return i
+}
+
+// ToInt64 string到int64
+func ToInt64(s string) int64 {
+	i, err := strconv.ParseInt(s, 10, 64)
+	if err == nil {
+		return i
+	}
+	return int64(ToFloat64(s))
+}
+
+// ToUint string到uint64
+func ToUint(s string) uint {
+	i, err := strconv.ParseUint(s, 10, 64)
+	if err == nil {
+		return uint(i)
+	}
+	return 0
+}
+
+// ToUint64 string到uint64
+func ToUint64(s string) uint64 {
+	i, err := strconv.ParseUint(s, 10, 64)
+	if err == nil {
+		return i
+	}
+	return 0
+}
+
+// Replace 字符串替换
+func Replace(str, old, new string) string {
+	return strings.Replace(str, old, new, -1)
+}
+
+func HmacSha256Hex(key, strToSign string) string {
+	hasHer := hmac.New(sha256.New, []byte(key))
+	hasHer.Write([]byte(strToSign))
+	return hex.EncodeToString(hasHer.Sum(nil))
+}
+
+// Space 去除空格
+func Space(str string) string {
+	return strings.Replace(str, " ", "", -1)
+}
+
+// LineBreak 去除换行符
+func LineBreak(str string) string {
+	return strings.Replace(str, "\n", "", -1)
+}
+
+// SpaceAndLineBreak 去除空格和去除换行符
+func SpaceAndLineBreak(str string) string {
+	return LineBreak(Space(str))
+}
+
+// TrimLastChar 删除字符串中的最后一个
+func TrimLastChar(s string) string {
+	r, size := utf8.DecodeLastRuneInString(s)
+	if r == utf8.RuneError && (size == 0 || size == 1) {
+		size = 0
+	}
+	return s[:len(s)-size]
+}
+
+// Split 字符串分隔
+func Split(s string, sep string) []string {
+	return strings.Split(s, sep)
+}
+
+// Contains 判断字符串是否包含某个字符
+func Contains(s, substr string) bool {
+	return strings.Contains(s, substr)
+}
+
+func NumericalToString(value interface{}) (string, bool) {
+	var val string
+
+	switch value.(type) {
+	default:
+		return "0", false
+	case int:
+		intVal, _ := value.(int)
+		val = strconv.FormatInt(int64(intVal), 10)
+	case int8:
+		intVal, _ := value.(int8)
+		val = strconv.FormatInt(int64(intVal), 10)
+	case int16:
+		intVal, _ := value.(int16)
+		val = strconv.FormatInt(int64(intVal), 10)
+	case int32:
+		intVal, _ := value.(int32)
+		val = strconv.FormatInt(int64(intVal), 10)
+	case int64:
+		intVal, _ := value.(int64)
+		val = strconv.FormatInt(int64(intVal), 10)
+	case uint:
+		intVal, _ := value.(uint)
+		val = strconv.FormatUint(uint64(intVal), 10)
+	case uint8:
+		intVal, _ := value.(uint8)
+		val = strconv.FormatUint(uint64(intVal), 10)
+	case uint16:
+		intVal, _ := value.(uint16)
+		val = strconv.FormatUint(uint64(intVal), 10)
+	case uint32:
+		intVal, _ := value.(uint32)
+		val = strconv.FormatUint(uint64(intVal), 10)
+	case uint64:
+		intVal, _ := value.(uint64)
+		val = strconv.FormatUint(intVal, 10)
+	case float32:
+		floatVal, _ := value.(float32)
+		val = strconv.FormatFloat(float64(floatVal), 'f', -1, 32)
+	case float64:
+		floatVal, _ := value.(float64)
+		val = strconv.FormatFloat(floatVal, 'f', -1, 64)
+	}
+	return val, true
+}