fix

server/websocket/internal/logic/datatransferlogic.go

@@ -179,6 +179,7 @@ func (l *DataTransferLogic) setConnPool(conn *websocket.Conn, userInfo *auth.Use
 		l.sendGetUniqueIdErrResponse(conn)
 		return wsConnectItem{}, err
 	}
+	renderCtx, renderCtxCancelFunc := context.WithCancel(l.ctx)
 	ws := wsConnectItem{
 		conn:      conn,
 		userAgent: userAgent,
@@ -192,7 +193,9 @@ func (l *DataTransferLogic) setConnPool(conn *websocket.Conn, userInfo *auth.Use
 		userId:    userInfo.UserId,
 		guestId:   userInfo.GuestId,
 		extendRenderProperty: extendRenderProperty{
-			renderChan: make(chan websocket_data.RenderImageReqMsg, renderChanLen),
+			renderChan:          make(chan websocket_data.RenderImageReqMsg, renderChanLen),
+			renderCtx:           renderCtx,
+			renderCtxCancelFunc: renderCtxCancelFunc,
 		},
 	}
 	//保存连接

server/websocket/internal/logic/ws_render_image.go

@@ -3,6 +3,7 @@ package logic
 //处理websocket云渲染任务数据
 import (
 	"bytes"
+	"context"
 	"encoding/json"
 	"errors"
 	"fmt"
@@ -32,7 +33,11 @@ type renderProcessor struct {
 
 // 云渲染属性
 type extendRenderProperty struct {
-	renderChan chan websocket_data.RenderImageReqMsg //渲染消息入口的缓冲队列
+	renderChan          chan websocket_data.RenderImageReqMsg //渲染消息入口的缓冲队列
+	renderCtx           context.Context                       //渲染控制上下文（用于切换模板标签/颜色取消之前发送的不相同的任务）
+	renderCtxCancelFunc context.CancelFunc                    //渲染控制上下文取消方法
+	selectColorIndex    int                                   //选择的颜色索引
+	templateTag         string                                //模板标签
 }
 
 // 处理分发到这里的数据
@@ -44,6 +49,16 @@ func (r *renderProcessor) allocationMessage(w *wsConnectItem, data []byte) {
 		logx.Error("invalid format of websocket render image message", err)
 		return
 	}
+	if renderImageData.RenderData.TemplateTag != w.extendRenderProperty.templateTag || renderImageData.RenderData.TemplateTagColor.SelectedColorIndex != w.extendRenderProperty.selectColorIndex {
+		//赋值
+		w.extendRenderProperty.templateTag = renderImageData.RenderData.TemplateTag
+		w.extendRenderProperty.selectColorIndex = renderImageData.RenderData.TemplateTagColor.SelectedColorIndex
+		//让之前的失效
+		w.extendRenderProperty.renderCtxCancelFunc()
+		logx.Info("模板标签/颜色更换上下文取消")
+		//重新赋值
+		w.extendRenderProperty.renderCtx, w.extendRenderProperty.renderCtxCancelFunc = context.WithCancel(w.logic.ctx)
+	}
 	select {
 	case <-w.closeChan: //已经关闭
 		return