🎨 增加 Go 后端

backend/pkg/helper/convert/convert.go

@@ -0,0 +1,24 @@
+package convert
+
+const (
+	base62 = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
+)
+
+func IntToBase62(n int) string {
+	if n == 0 {
+		return string(base62[0])
+	}
+
+	var result []byte
+	for n > 0 {
+		result = append(result, base62[n%62])
+		n /= 62
+	}
+
+	// 反转字符串
+	for i, j := 0, len(result)-1; i < j; i, j = i+1, j-1 {
+		result[i], result[j] = result[j], result[i]
+	}
+
+	return string(result)
+}

backend/pkg/helper/md5/md5.go

@@ -0,0 +1,11 @@
+package md5
+
+import (
+	"crypto/md5"
+	"encoding/hex"
+)
+
+func Md5(str string) string {
+	hash := md5.Sum([]byte(str))
+	return hex.EncodeToString(hash[:])
+}

backend/pkg/helper/resp/resp.go

@@ -0,0 +1,28 @@
+package resp
+
+import (
+	"github.com/gin-gonic/gin"
+	"net/http"
+)
+
+type response struct {
+	Code    int         `json:"code"`
+	Message string      `json:"message"`
+	Data    interface{} `json:"data"`
+}
+
+func HandleSuccess(ctx *gin.Context, data interface{}) {
+	if data == nil {
+		data = map[string]string{}
+	}
+	resp := response{Code: 0, Message: "success", Data: data}
+	ctx.JSON(http.StatusOK, resp)
+}
+
+func HandleError(ctx *gin.Context, httpCode, code int, message string, data interface{}) {
+	if data == nil {
+		data = map[string]string{}
+	}
+	resp := response{Code: code, Message: message, Data: data}
+	ctx.JSON(httpCode, resp)
+}

backend/pkg/helper/sid/sid.go

@@ -0,0 +1,32 @@
+package sid
+
+import (
+	"whois-go/pkg/helper/convert"
+	"github.com/pkg/errors"
+	"github.com/sony/sonyflake"
+)
+
+type Sid struct {
+	sf *sonyflake.Sonyflake
+}
+
+func NewSid() *Sid {
+	sf := sonyflake.NewSonyflake(sonyflake.Settings{})
+	if sf == nil {
+		panic("sonyflake not created")
+	}
+	return &Sid{sf}
+}
+func (s Sid) GenString() (string, error) {
+	// 生成分布式ID
+	id, err := s.sf.NextID()
+	if err != nil {
+		return "", errors.Wrap(err, "failed to generate sonyflake ID")
+	}
+	// 将ID转换为字符串
+	return convert.IntToBase62(int(id)), nil
+}
+func (s Sid) GenUint64() (uint64, error) {
+	// 生成分布式ID
+	return s.sf.NextID()
+}

backend/pkg/helper/uuid/uuid.go

@@ -0,0 +1,7 @@
+package uuid
+
+import "github.com/google/uuid"
+
+func GenUUID() string {
+	return uuid.NewString()
+}