修改sketch切换下一张进行询问

src/component/HomePage/scaleImage.vue

@@ -346,6 +346,7 @@ export default defineComponent({
 			});
 		}
         return {
+			t,
 			...toRefs(productimg),
             scaleImage,
 			isShowMark,
@@ -366,7 +367,7 @@ export default defineComponent({
     data() {
         return {
             // moodTemplateId: "", //模板id
-			
+			isNext:false
         };
     },
 	directives:{
@@ -399,27 +400,61 @@ export default defineComponent({
 			this.scaleImage = false
 			this.scaleImageList = []
 			this.scaleImageIndex = 0
+			this.isNext = false
 			document.removeEventListener('keydown',this.setKeydown)
 		},
 		lastStep(){
 			if(this.productimgIsProductimg) return
+			if(this.isNext)return
+			let num = this.scaleImageIndex
 			if(this.scaleImageIndex <= 0){
 			}else{
-				this.scaleImageIndex -= 1
+				num -=1
+				this.setImageIndex(num)
 			}
 		},
 		nextStep(){
 			if(this.productimgIsProductimg) return
+			if(this.isNext)return
+			let num = this.scaleImageIndex
 			if(this.scaleImageIndex >= this.scaleImageList.length-1){
 			}else{
-				this.scaleImageIndex += 1
+				num += 1
+				this.setImageIndex(num)
 			}
 		},
 		download(){
 			downloadIamge(this.scaleImageList[this.scaleImageIndex].imgUrl)
 		},
 		setScaleImageIndex(index:any){
-			this.scaleImageIndex = index
+			// this.scaleImageIndex = index
+			this.setImageIndex(index)
+		},
+		setImageIndex(index:any){
+			if(this.isNext)return
+			let this_ = this
+			if(this.isCanvas){
+				this.isNext = true
+				new Promise((resolve,reject)=>{
+				    Modal.confirm({
+						title: this.t('scaleImage.submitCanvas'),
+						icon: createVNode(ExclamationCircleOutlined),
+						okText: 'Yes',
+						cancelText: 'No',
+						mask:false,
+						centered:true,
+						onOk() {
+							this_.scaleImageIndex = index
+							this_.isNext = false
+							resolve('') 
+						},
+						onCancel(){
+							this_.isNext = false
+							resolve('') 
+						}
+					});
+				})
+			}
 		},
 		LikeFile(item:any,str:string){
 			let parent:any = this.$parent

src/lang/cn.ts

@@ -571,6 +571,7 @@ export default {
 	},
 	scaleImage:{
 		overlayOrNot:'是否覆盖当前图片',
+		submitCanvas:'画布内容没有储存，是否继续',
 	},
 	account:{
 		personCentered:'个人中心',

src/lang/en.ts

@@ -571,6 +571,7 @@ export default {
 	},
 	scaleImage:{
 		overlayOrNot:'Whether to overwrite the current picture',
+		submitCanvas:'Canvas content is not saved, whether to continue',
 	},
 	account:{
 		personCentered:'Account',

src/tool/canvasGeneral.js

@@ -136,6 +136,8 @@ class myCanvas {
 		let oldCanvasDom1 =  this.canvasDomParent.querySelector('canvas')
 		if(oldCanvasDom)oldCanvasDom.remove()
 		if(oldCanvasDom1)oldCanvasDom1.remove()
+		this.reverseCanvasState=[];//撤回
+		this.normalCanvasState=[];//反撤回
 		document.removeEventListener("keydown", this.canvasKeyDown);
 		document.removeEventListener("keyup", this.canvasKeyUp);