初始化

.gitignore

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+vendor/
+.idea/

go.mod

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+module gitea.weitiangame.com/sdk/wt-game
+
+go 1.23.4
+
+require github.com/go-resty/resty/v2 v2.16.3
+
+require golang.org/x/net v0.33.0 // indirect

go.sum

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+github.com/go-resty/resty/v2 v2.16.3 h1:zacNT7lt4b8M/io2Ahj6yPypL7bqx9n1iprfQuodV+E=
+github.com/go-resty/resty/v2 v2.16.3/go.mod h1:hkJtXbA2iKHzJheXYvQ8snQES5ZLGKMwQ07xAwp/fiA=
+golang.org/x/net v0.33.0 h1:74SYHlV8BIgHIFC/LrYkOGIwL19eTYXQ5wc6TBuO36I=
+golang.org/x/net v0.33.0/go.mod h1:HXLR5J+9DxmrqMwG9qjGCxZ+zKXxBru04zlTvWlWuN4=
+golang.org/x/time v0.6.0 h1:eTDhh4ZXt5Qf0augr54TN6suAUudPcawVZeIAPU7D4U=
+golang.org/x/time v0.6.0/go.mod h1:3BpzKBy/shNhVucY/MWOyx10tF3SFh9QdLuxbVysPQM=

sdk/sdk.go

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+package sdk
+
+import (
+	"fmt"
+	"github.com/go-resty/resty/v2"
+	"sync"
+	"time"
+)
+
+// Configuration for SDK
+type Config struct {
+	AppID      string
+	PlatformID string // Renamed for consistency
+	ChannelID  string
+	AppSecret  string
+	BaseURL    string // Either Test or Production
+}
+
+// RequestParams for common parameters
+type RequestParams map[string]interface{} // Renamed to be more descriptive
+
+// Response for API responses
+type Response struct {
+	ErrorCode    int    `json:"code"` // Renamed to ErrorCode for clarity
+	ErrorMessage string `json:"msg"`  // Renamed to ErrorMessage for clarity
+}
+
+var (
+	clientInstance *Client
+	once           sync.Once
+)
+
+// NewClient initializes the SDK client with reusable resty client (Singleton)
+func NewClient(config Config) *Client {
+	once.Do(func() {
+		clientInstance = &Client{
+			config: config,
+			client: resty.New().SetRetryCount(3).SetRetryWaitTime(1 * time.Second),
+		}
+	})
+	return clientInstance
+}
+
+// Client struct to manage requests
+type Client struct {
+	config Config
+	client *resty.Client
+}
+
+// HTTP POST helper function with retry logic
+func (c *Client) post(url string, params interface{}) (*Response, error) {
+	// Retry up to 3 times with a 1-second delay between retries
+	var resp *Response
+	response, err := c.client.R().
+		SetBody(params).
+		SetResult(&resp). // Set result to unmarshal JSON into Response struct
+		Post(url)
+
+	if err != nil {
+		return nil, fmt.Errorf("request failed: %v", err)
+	}
+
+	// Check the response status code
+	if response.StatusCode() != 200 {
+		return nil, fmt.Errorf("non-200 response received: %v", response.StatusCode())
+	}
+
+	// Return the response body directly after it has been unmarshalled
+	return resp, nil
+}

sdk/sign.go

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+package sdk
+
+import (
+	"crypto/md5"
+	"encoding/hex"
+	"sort"
+)
+
+func sortMapString(params map[string]interface{}) string {
+	str := ""
+	keys := make([]string, 0)
+	for k, _ := range params {
+		if k == "sign" || k == "-" {
+			continue
+		}
+		keys = append(keys, k)
+	}
+	sort.Strings(keys) // 对键进行排序
+	for _, k := range keys {
+		str += params[k].(string)
+	}
+	return str
+}
+
+func md5String(str string) string {
+	ctx := md5.New()
+	ctx.Write([]byte(str))
+	return hex.EncodeToString(ctx.Sum(nil))
+}
+
+func Sign(str map[string]interface{}) string {
+	return md5String(sortMapString(str))
+}

test/sdk_test.go

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+package test
+
+import (
+	"fmt"
+	"gitea.weitiangame.com/sdk/wt-game/wt-game/sdk"
+	"testing"
+)
+
+func TestSign(t *testing.T) {
+	params := map[string]interface{}{
+		"appid": "123456",
+	}
+	fmt.Println(sdk.Sign(params))
+}