fix

server/websocket/internal/handler/datatransferhandler.go

@@ -1,270 +1,15 @@
 package handler
 
 import (
-	"encoding/json"
-	"fmt"
-	"fusenapi/constants"
 	"fusenapi/server/websocket/internal/logic"
 	"fusenapi/server/websocket/internal/svc"
-	"fusenapi/server/websocket/internal/types"
-	"fusenapi/utils/auth"
-	"github.com/google/uuid"
-	"github.com/gorilla/websocket"
-	"github.com/zeromicro/go-zero/core/logx"
 	"net/http"
-	"sync"
-	"time"
 )
 
-var (
-	//升级
-	upgrade = websocket.Upgrader{
-		//允许跨域
-		CheckOrigin: func(r *http.Request) bool {
-			return true
-		},
-	}
-	//连接map池
-	mapConnPool = sync.Map{}
-)
-
-// 每个连接的连接属性
-type wsConnectItem struct {
-	conn        *websocket.Conn //websocket的连接
-	closeChan   chan struct{}   //关闭chan
-	isClose     bool            //是否已经关闭
-	flag        string
-	inChan      chan []byte //接受消息缓冲通道
-	outChan     chan []byte //发送回客户端的消息
-	mutex       sync.Mutex
-	renderImage map[string]struct{} //需要渲染的图片
-}
-
 func DataTransferHandler(svcCtx *svc.ServiceContext) http.HandlerFunc {
 	return func(w http.ResponseWriter, r *http.Request) {
 		// 创建一个业务逻辑层实例
-		var req types.DataTransferReq
 		l := logic.NewDataTransferLogic(r.Context(), svcCtx)
-		l.DataTransfer(&req, nil)
-		//升级websocket
-		conn, err := upgrade.Upgrade(w, r, nil)
-		if err != nil {
-			logx.Error("http upgrade websocket err:", err)
-			return
-		}
-		defer conn.Close()
-		rsp := types.DataTransferRsp{}
-		isAuth := true
-		// 解析JWT token,并对空用户进行判断
-		claims, err := svcCtx.ParseJwtToken(r)
-		// 如果解析JWT token出错,则返回未授权的JSON响应并记录错误消息
-		if err != nil {
-			rsp.T = constants.WEBSOCKET_UNAUTH
-			rsp.D = "unAuth"
-			b, _ := json.Marshal(rsp)
-			_ = conn.WriteMessage(websocket.TextMessage, b)
-			isAuth = false
-		}
-		if claims != nil {
-			// 从token中获取对应的用户信息
-			_, err = auth.GetUserInfoFormMapClaims(claims)
-			// 如果获取用户信息出错,则返回未授权的JSON响应并记录错误消息
-			if err != nil {
-				rsp.T = constants.WEBSOCKET_UNAUTH
-				rsp.D = "unAuth!!"
-				b, _ := json.Marshal(rsp)
-				_ = conn.WriteMessage(websocket.TextMessage, b)
-				isAuth = false
-			}
-		} else {
-			// 如果claims为nil,则认为用户身份为白板用户
-			rsp.T = constants.WEBSOCKET_UNAUTH
-			rsp.D = "unAuth!!!"
-			b, _ := json.Marshal(rsp)
-			_ = conn.WriteMessage(websocket.TextMessage, b)
-			isAuth = false
-		}
-		//不是授权的连接(10秒后关闭)
-		if !isAuth {
-			select {
-			case <-time.After(time.Second * 10):
-				conn.Close()
-				return
-			}
-		}
-		//生成连接唯一标识
-		flag := uuid.New().String() + time.Now().Format("20060102150405")
-		ws := wsConnectItem{
-			conn:        conn,
-			flag:        flag,
-			closeChan:   make(chan struct{}, 1),
-			inChan:      make(chan []byte, 100),
-			outChan:     make(chan []byte, 100),
-			renderImage: make(map[string]struct{}),
-			isClose:     false,
-		}
-		//保存连接
-		mapConnPool.Store(flag, ws)
-		defer ws.close()
-		//把连接成功消息发回去
-		rsp.T = constants.WEBSOCKET_CONNECT_SUCCESS
-		rsp.D = flag
-		b, _ := json.Marshal(rsp)
-		conn.WriteMessage(websocket.TextMessage, b)
-		//循环读客户端信息
-		go ws.readLoop()
-		//循环把数据发送给客户端
-		go ws.writeLoop()
-		//推消息到云渲染
-		go ws.sendLoop()
-		//心跳
-		ws.heartbeat()
-
+		l.DataTransfer(svcCtx, w, r)
 	}
 }
-
-// 心跳
-func (w *wsConnectItem) heartbeat() {
-	rsp := types.DataTransferRsp{
-		T: constants.WEBSOCKET_HEARTBEAT,
-		D: "",
-	}
-	b, _ := json.Marshal(rsp)
-	for {
-		time.Sleep(time.Second * 10)
-		select {
-		case <-w.closeChan:
-			return
-		default:
-
-		}
-		//发送心跳信息
-		if err := w.conn.WriteMessage(websocket.TextMessage, b); err != nil {
-			logx.Error("发送心跳信息异常，关闭连接:", w.flag, err)
-			w.close()
-			return
-		}
-	}
-}
-
-// 关闭连接
-func (w *wsConnectItem) close() {
-	w.mutex.Lock()
-	defer w.mutex.Unlock()
-	logx.Info("websocket:", w.flag, " is closing...")
-	w.conn.Close()
-	mapConnPool.Delete(w.flag)
-	if !w.isClose {
-		w.isClose = true
-		close(w.closeChan)
-		close(w.outChan)
-		close(w.inChan)
-	}
-	logx.Info("websocket:", w.flag, " is closed")
-}
-
-func (w *wsConnectItem) writeLoop() {
-	for {
-		select {
-		case <-w.closeChan: //如果关闭了
-			return
-		case data := <-w.outChan:
-			w.conn.WriteMessage(websocket.TextMessage, data)
-		}
-	}
-}
-
-// 接受客户端发来的消息
-func (w *wsConnectItem) readLoop() {
-	for {
-		select {
-		case <-w.closeChan: //如果关闭了
-			return
-		default:
-
-		}
-		_, data, err := w.conn.ReadMessage()
-		if err != nil {
-			logx.Error("接受信息错误:", err)
-			//关闭连接
-			w.close()
-			return
-		}
-		//消息传入缓冲通道
-		w.inChan <- data
-	}
-}
-
-// 把收到的消息发往不同的地方处理
-func (w *wsConnectItem) sendLoop() {
-	for {
-		select {
-		case <-w.closeChan:
-			return
-		case data := <-w.inChan:
-			w.dealwithReciveData(data)
-		}
-	}
-}
-
-// 处理接受到的数据
-func (w *wsConnectItem) dealwithReciveData(data []byte) {
-	var parseInfo types.DataTransferReq
-	if err := json.Unmarshal(data, &parseInfo); err != nil {
-		logx.Error("invalid format of websocket message")
-		return
-	}
-	switch parseInfo.T {
-	//图片渲染
-	case constants.WEBSOCKET_RENDER_IMAGE:
-		var renderImageData []types.RenderImageReqMsg
-		if err := json.Unmarshal([]byte(parseInfo.D), &renderImageData); err != nil {
-			logx.Error("invalid format of websocket render image message", err)
-			return
-		}
-		logx.Info("收到请求云渲染图片数据：", renderImageData)
-		w.mutex.Lock()
-		defer w.mutex.Unlock()
-		//把需要渲染的图片加进去
-		for _, v := range renderImageData {
-			key := w.getRenderImageMapKey(v.ProductId, v.SizeId, v.TemplateId)
-			w.renderImage[key] = struct{}{}
-		}
-	default:
-
-	}
-}
-
-// 把渲染好的数据放入outchan
-func (w *wsConnectItem) setOutRenderImage(req types.RenderNotifyReq) {
-	w.mutex.Lock()
-	defer w.mutex.Unlock()
-	for _, notifyItem := range req.NotifyList {
-		renderKey := w.getRenderImageMapKey(notifyItem.ProductId, notifyItem.SizeId, notifyItem.TemplateId)
-		//查询
-		_, ok := w.renderImage[renderKey]
-		if !ok {
-			continue
-		}
-		responseData := types.RenderImageRspMsg{
-			ProductId:  notifyItem.ProductId,
-			SizeId:     notifyItem.SizeId,
-			TemplateId: notifyItem.TemplateId,
-			Source:     "我是渲染资源",
-		}
-		b, _ := json.Marshal(responseData)
-		select {
-		case <-w.closeChan:
-			return
-		case w.outChan <- b:
-			logx.Info("notify send render result to out chan")
-		}
-		//删掉已经处理的渲染任务
-		delete(w.renderImage, renderKey)
-	}
-}
-
-// 获取需要渲染图片的map key
-func (w *wsConnectItem) getRenderImageMapKey(productId, sizeId, templateId int64) string {
-	return fmt.Sprintf("%d-%d-%d", productId, sizeId, templateId)
-}

server/websocket/internal/handler/rendernotifyhandler.go

@@ -1,18 +1,12 @@
 package handler
 
 import (
-	"crypto/sha256"
-	"encoding/hex"
-	"encoding/json"
-	"fmt"
-	"fusenapi/constants"
-	"fusenapi/utils/basic"
-	"github.com/zeromicro/go-zero/rest/httpx"
-	"net/http"
-	"time"
-
+	"fusenapi/server/websocket/internal/logic"
 	"fusenapi/server/websocket/internal/svc"
 	"fusenapi/server/websocket/internal/types"
+	"fusenapi/utils/basic"
+	"net/http"
+	"reflect"
 )
 
 func RenderNotifyHandler(svcCtx *svc.ServiceContext) http.HandlerFunc {
@@ -20,56 +14,18 @@ func RenderNotifyHandler(svcCtx *svc.ServiceContext) http.HandlerFunc {
 		var req types.RenderNotifyReq
 		_, err := basic.RequestParse(w, r, svcCtx, &req)
 		if err != nil {
-			httpx.OkJsonCtx(r.Context(), w, basic.Response{
-				Code:    basic.CodeRequestParamsErr.Code,
-				Message: "err param",
-				Data:    nil,
-			})
 			return
 		}
-		if len(req.NotifyList) == 0 {
-			httpx.OkJsonCtx(r.Context(), w, basic.Response{
-				Code:    basic.CodeRequestParamsErr.Code,
-				Message: "invalid param,notify list is empty",
-				Data:    nil,
-			})
-			return
+		// 创建一个业务逻辑层实例
+		l := logic.NewRenderNotifyLogic(r.Context(), svcCtx)
+
+		rl := reflect.ValueOf(l)
+		basic.BeforeLogic(w, r, rl)
+
+		resp := l.RenderNotify(&req)
+
+		if !basic.AfterLogic(w, r, rl, resp) {
+			basic.NormalAfterLogic(w, r, resp)
 		}
-		if time.Now().Unix()-120 > req.Time /*|| req.Time > time.Now().Unix() */ {
-			httpx.OkJsonCtx(r.Context(), w, basic.Response{
-				Code:    basic.CodeRequestParamsErr.Code,
-				Message: "invalid param,time is expired",
-				Data:    nil,
-			})
-			return
-		}
-		//验证签名 sha256
-		notifyByte, _ := json.Marshal(req.NotifyList)
-		h := sha256.New()
-		h.Write([]byte(fmt.Sprintf(constants.RENDER_NOTIFY_SIGN_KEY, string(notifyByte), req.Time)))
-		signHex := h.Sum(nil)
-		sign := hex.EncodeToString(signHex)
-		if req.Sign != sign {
-			httpx.OkJsonCtx(r.Context(), w, basic.Response{
-				Code:    basic.CodeRequestParamsErr.Code,
-				Message: "invalid sign",
-				Data:    nil,
-			})
-			return
-		}
-		//遍历链接
-		mapConnPool.Range(func(key, value any) bool {
-			ws, ok := value.(wsConnectItem)
-			if !ok {
-				return false
-			}
-			ws.setOutRenderImage(req)
-			return true
-		})
-		httpx.OkJsonCtx(r.Context(), w, basic.Response{
-			Code:    200,
-			Message: "success",
-			Data:    nil,
-		})
 	}
 }

server/websocket/internal/logic/datatransferlogic.go

@@ -1,14 +1,20 @@
 package logic
 
 import (
-	"fusenapi/utils/auth"
+	"encoding/json"
+	"fmt"
+	"fusenapi/constants"
+	"fusenapi/server/websocket/internal/types"
 	"fusenapi/utils/basic"
+	"github.com/google/uuid"
+	"github.com/gorilla/websocket"
+	"net/http"
+	"sync"
+	"time"
 
 	"context"
 
 	"fusenapi/server/websocket/internal/svc"
-	"fusenapi/server/websocket/internal/types"
-
 	"github.com/zeromicro/go-zero/core/logx"
 )
 
@@ -26,18 +32,250 @@ func NewDataTransferLogic(ctx context.Context, svcCtx *svc.ServiceContext) *Data
 	}
 }
 
-// 处理进入前逻辑w,r
-// func (l *DataTransferLogic) BeforeLogic(w http.ResponseWriter, r *http.Request) {
-// }
+var (
+	//升级
+	upgrade = websocket.Upgrader{
+		//允许跨域
+		CheckOrigin: func(r *http.Request) bool {
+			return true
+		},
+	}
+	//连接map池
+	mapConnPool = sync.Map{}
+)
 
-// 处理逻辑后 w,r 如:重定向, resp 必须重新处理
-// func (l *DataTransferLogic) AfterLogic(w http.ResponseWriter, r *http.Request, resp *basic.Response) {
-// // httpx.OkJsonCtx(r.Context(), w, resp)
-// }
+// 每个连接的连接属性
+type wsConnectItem struct {
+	conn        *websocket.Conn //websocket的连接
+	closeChan   chan struct{}   //关闭chan
+	isClose     bool            //是否已经关闭
+	flag        string
+	inChan      chan []byte //接受消息缓冲通道
+	outChan     chan []byte //发送回客户端的消息
+	mutex       sync.Mutex
+	renderImage map[string]struct{} //需要渲染的图片
+}
 
-func (l *DataTransferLogic) DataTransfer(req *types.DataTransferReq, userinfo *auth.UserInfo) (resp *basic.Response) {
-	// 返回值必须调用Set重新返回, resp可以空指针调用 resp.SetStatus(basic.CodeOK, data)
-	// userinfo 传入值时, 一定不为null
+func (l *DataTransferLogic) DataTransfer(svcCtx *svc.ServiceContext, w http.ResponseWriter, r *http.Request) (resp *basic.Response) {
+	//升级websocket
+	conn, err := upgrade.Upgrade(w, r, nil)
+	if err != nil {
+		logx.Error("http upgrade websocket err:", err)
+		return
+	}
+	defer conn.Close()
+	rsp := types.DataTransferData{}
+	/*isAuth := true
+	// 解析JWT token,并对空用户进行判断
+	claims, err := svcCtx.ParseJwtToken(r)
+	// 如果解析JWT token出错,则返回未授权的JSON响应并记录错误消息
+	if err != nil {
+		rsp.T = constants.WEBSOCKET_UNAUTH
+		rsp.D = "unAuth"
+		b, _ := json.Marshal(rsp)
+		_ = conn.WriteMessage(websocket.TextMessage, b)
+		isAuth = false
+	}
+	if claims != nil {
+		// 从token中获取对应的用户信息
+		_, err = auth.GetUserInfoFormMapClaims(claims)
+		// 如果获取用户信息出错,则返回未授权的JSON响应并记录错误消息
+		if err != nil {
+			rsp.T = constants.WEBSOCKET_UNAUTH
+			rsp.D = "unAuth!!"
+			b, _ := json.Marshal(rsp)
+			_ = conn.WriteMessage(websocket.TextMessage, b)
+			isAuth = false
+		}
+	} else {
+		// 如果claims为nil,则认为用户身份为白板用户
+		rsp.T = constants.WEBSOCKET_UNAUTH
+		rsp.D = "unAuth!!!"
+		b, _ := json.Marshal(rsp)
+		_ = conn.WriteMessage(websocket.TextMessage, b)
+		isAuth = false
+	}
+	//不是授权的连接(10秒后关闭)
+	if !isAuth {
+		select {
+		case <-time.After(time.Second * 10):
+			conn.Close()
+			return
+		}
+	}*/
+	//生成连接唯一标识
+	flag := uuid.New().String() + time.Now().Format("20060102150405")
+	ws := wsConnectItem{
+		conn:        conn,
+		flag:        flag,
+		closeChan:   make(chan struct{}, 1),
+		inChan:      make(chan []byte, 100),
+		outChan:     make(chan []byte, 100),
+		renderImage: make(map[string]struct{}),
+		isClose:     false,
+	}
+	//保存连接
+	mapConnPool.Store(flag, ws)
+	defer ws.close()
+	//把连接成功消息发回去
+	rsp.T = constants.WEBSOCKET_CONNECT_SUCCESS
+	rsp.D = flag
+	b, _ := json.Marshal(rsp)
+	conn.WriteMessage(websocket.TextMessage, b)
+	//循环读客户端信息
+	go ws.readLoop()
+	//循环把数据发送给客户端
+	go ws.writeLoop()
+	//推消息到云渲染
+	go ws.sendLoop()
+	//心跳
+	ws.heartbeat()
 
 	return resp.SetStatus(basic.CodeOK)
 }
+
+// 心跳
+func (w *wsConnectItem) heartbeat() {
+	rsp := types.DataTransferData{
+		T: constants.WEBSOCKET_HEARTBEAT,
+		D: "",
+	}
+	b, _ := json.Marshal(rsp)
+	for {
+		time.Sleep(time.Second * 10)
+		select {
+		case <-w.closeChan:
+			return
+		default:
+
+		}
+		//发送心跳信息
+		if err := w.conn.WriteMessage(websocket.TextMessage, b); err != nil {
+			logx.Error("发送心跳信息异常，关闭连接:", w.flag, err)
+			w.close()
+			return
+		}
+	}
+}
+
+// 关闭连接
+func (w *wsConnectItem) close() {
+	w.mutex.Lock()
+	defer w.mutex.Unlock()
+	logx.Info("websocket:", w.flag, " is closing...")
+	w.conn.Close()
+	mapConnPool.Delete(w.flag)
+	if !w.isClose {
+		w.isClose = true
+		close(w.closeChan)
+		close(w.outChan)
+		close(w.inChan)
+	}
+	logx.Info("websocket:", w.flag, " is closed")
+}
+
+func (w *wsConnectItem) writeLoop() {
+	for {
+		select {
+		case <-w.closeChan: //如果关闭了
+			return
+		case data := <-w.outChan:
+			w.conn.WriteMessage(websocket.TextMessage, data)
+		}
+	}
+}
+
+// 接受客户端发来的消息
+func (w *wsConnectItem) readLoop() {
+	for {
+		select {
+		case <-w.closeChan: //如果关闭了
+			return
+		default:
+
+		}
+		_, data, err := w.conn.ReadMessage()
+		if err != nil {
+			logx.Error("接受信息错误:", err)
+			//关闭连接
+			w.close()
+			return
+		}
+		//消息传入缓冲通道
+		w.inChan <- data
+	}
+}
+
+// 把收到的消息发往不同的地方处理
+func (w *wsConnectItem) sendLoop() {
+	for {
+		select {
+		case <-w.closeChan:
+			return
+		case data := <-w.inChan:
+			w.dealwithReciveData(data)
+		}
+	}
+}
+
+// 处理接受到的数据
+func (w *wsConnectItem) dealwithReciveData(data []byte) {
+	var parseInfo types.DataTransferData
+	if err := json.Unmarshal(data, &parseInfo); err != nil {
+		logx.Error("invalid format of websocket message")
+		return
+	}
+	switch parseInfo.T {
+	//图片渲染
+	case constants.WEBSOCKET_RENDER_IMAGE:
+		var renderImageData []types.RenderImageReqMsg
+		if err := json.Unmarshal([]byte(parseInfo.D), &renderImageData); err != nil {
+			logx.Error("invalid format of websocket render image message", err)
+			return
+		}
+		logx.Info("收到请求云渲染图片数据：", renderImageData)
+		w.mutex.Lock()
+		defer w.mutex.Unlock()
+		//把需要渲染的图片加进去
+		for _, v := range renderImageData {
+			key := w.getRenderImageMapKey(v.ProductId, v.SizeId, v.TemplateId)
+			w.renderImage[key] = struct{}{}
+		}
+	default:
+
+	}
+}
+
+// 把渲染好的数据放入outchan
+func (w *wsConnectItem) setOutRenderImage(req *types.RenderNotifyReq) {
+	w.mutex.Lock()
+	defer w.mutex.Unlock()
+	for _, notifyItem := range req.NotifyList {
+		renderKey := w.getRenderImageMapKey(notifyItem.ProductId, notifyItem.SizeId, notifyItem.TemplateId)
+		//查询
+		_, ok := w.renderImage[renderKey]
+		if !ok {
+			continue
+		}
+		responseData := types.RenderImageRspMsg{
+			ProductId:  notifyItem.ProductId,
+			SizeId:     notifyItem.SizeId,
+			TemplateId: notifyItem.TemplateId,
+			Source:     "我是渲染资源",
+		}
+		b, _ := json.Marshal(responseData)
+		select {
+		case <-w.closeChan:
+			return
+		case w.outChan <- b:
+			logx.Info("notify send render result to out chan")
+		}
+		//删掉已经处理的渲染任务
+		delete(w.renderImage, renderKey)
+	}
+}
+
+// 获取需要渲染图片的map key
+func (w *wsConnectItem) getRenderImageMapKey(productId, sizeId, templateId int64) string {
+	return fmt.Sprintf("%d-%d-%d", productId, sizeId, templateId)
+}

server/websocket/internal/logic/rendernotifylogic.go

@@ -1,8 +1,13 @@
 package logic
 
 import (
-	"fusenapi/utils/auth"
+	"crypto/sha256"
+	"encoding/hex"
+	"encoding/json"
+	"fmt"
+	"fusenapi/constants"
 	"fusenapi/utils/basic"
+	"time"
 
 	"context"
 
@@ -35,9 +40,30 @@ func NewRenderNotifyLogic(ctx context.Context, svcCtx *svc.ServiceContext) *Rend
 // // httpx.OkJsonCtx(r.Context(), w, resp)
 // }
 
-func (l *RenderNotifyLogic) RenderNotify(req *types.RenderNotifyReq, userinfo *auth.UserInfo) (resp *basic.Response) {
-	// 返回值必须调用Set重新返回, resp可以空指针调用 resp.SetStatus(basic.CodeOK, data)
-	// userinfo 传入值时, 一定不为null
-
+func (l *RenderNotifyLogic) RenderNotify(req *types.RenderNotifyReq) (resp *basic.Response) {
+	if len(req.NotifyList) == 0 {
+		return resp.SetStatusWithMessage(basic.CodeRequestParamsErr, "notify list is empty")
+	}
+	if time.Now().Unix()-120 > req.Time /*|| req.Time > time.Now().Unix() */ {
+		return resp.SetStatusWithMessage(basic.CodeRequestParamsErr, "time is expire")
+	}
+	//验证签名 sha256
+	notifyByte, _ := json.Marshal(req.NotifyList)
+	h := sha256.New()
+	h.Write([]byte(fmt.Sprintf(constants.RENDER_NOTIFY_SIGN_KEY, string(notifyByte), req.Time)))
+	signHex := h.Sum(nil)
+	sign := hex.EncodeToString(signHex)
+	if req.Sign != sign {
+		return resp.SetStatusWithMessage(basic.CodeRequestParamsErr, "invalid")
+	}
+	//遍历websocket链接
+	mapConnPool.Range(func(key, value any) bool {
+		ws, ok := value.(wsConnectItem)
+		if !ok {
+			return false
+		}
+		ws.setOutRenderImage(req)
+		return true
+	})
 	return resp.SetStatus(basic.CodeOK)
 }

server/websocket/internal/types/types.go

@@ -5,12 +5,7 @@ import (
 	"fusenapi/utils/basic"
 )
 
-type DataTransferReq struct {
-	T string `json:"t"` //消息类型
-	D string `json:"d"` //传递的消息
-}
-
-type DataTransferRsp struct {
+type DataTransferData struct {
 	T string `json:"t"` //消息类型
 	D string `json:"d"` //传递的消息
 }

server_api/websocket.api

@@ -11,18 +11,14 @@ import "basic.api"
 service websocket {
 	//websocket数据交互
 	@handler DataTransferHandler
-	get /api/websocket/data_transfer(DataTransferReq) returns (response);
+	get /api/websocket/data_transfer(request) returns (response);
 	//渲染完了通知接口
 	@handler RenderNotifyHandler
 	post /api/websocket/render_notify(RenderNotifyReq) returns (response);
 }
 
 //websocket数据交互
-type DataTransferReq {
-	T string `json:"t"` //消息类型
-	D string `json:"d"` //传递的消息
-}
-type DataTransferRsp {
+type DataTransferData {
 	T string `json:"t"` //消息类型
 	D string `json:"d"` //传递的消息
 }