修复detail撤回存储数据过大问题

src/component/Detail/canvas/index.vue

@@ -135,38 +135,20 @@ export default defineComponent({
 		
 		const editFront = (str:any)=>{//编辑前后片
 			let canvasJSON = '' as any
-			if(detailData.currentView === 'canvasEditor'){
-				sessionStorage.setItem('sketchEdit',detailDom.editCanvas.getJSON())
-				canvasJSON = sessionStorage.getItem('frontBackEdit');
-			}else if(detailData.currentView === 'redGreenExample'){
-				sessionStorage.setItem('frontBackEdit',detailDom.editCanvasBackFront.getJSON())
-				canvasJSON = sessionStorage.getItem('sketchEdit');
-			}
 			// detailData.canvasLoad = false
 			detailData.currentView = str
-			if(canvasJSON){
-				// detailData.canvasLoad = true
+			if(detailData.currentView === 'redGreenExample'){
 				nextTick(()=>{
-					if(detailData.currentView === 'redGreenExample'){
-						detailDom.editCanvas.loadJSON(canvasJSON)
-					}else{
-						detailDom.editCanvasBackFront.loadJSON(canvasJSON)
-					}
+					setCanvas(detailData.selectDetail.path).then(()=>{
+						// detailData.canvasLoad = true
+					})
 				})
 			}else{
-				if(detailData.currentView === 'redGreenExample'){
-					nextTick(()=>{
-						setCanvas(detailData.selectDetail.path).then(()=>{
-							// detailData.canvasLoad = true
-						})
+				nextTick(()=>{
+					setCanvas(detailData.frontBack.front[detailData.imgDomIndex].maskUrl).then(()=>{
+						// detailData.canvasLoad = true
 					})
-				}else{
-					nextTick(()=>{
-						setCanvas(detailData.frontBack.front[detailData.imgDomIndex].maskUrl).then(()=>{
-							// detailData.canvasLoad = true
-						})
-					})
-				}
+				})
 			}
 		}
 		const updateOtherLayers = (obj:any)=>{
@@ -389,9 +371,6 @@ export default defineComponent({
 			if(front?.oldMaskUrl)front.maskUrl = front.oldMaskUrl
 			if(back?.oldImageUrl)back.imageUrl = back.oldImageUrl
 			if(front?.oldMaskUrl)store.commit('DesignDetail/updataDetailItem',{maskUrl:front.maskUrl})
-
-			sessionStorage.removeItem('frontBackEdit');
-			sessionStorage.removeItem('sketchEdit');
 			detailData.canvasLoad = false
 			// privewDetail()
 		})