微调

src/examples/app/index.ts

@@ -261,9 +261,9 @@ export function loadDrawDatas(app: GraphicApp) {
     storage.links.forEach((link) => {
       datas.push(new LinkData(link));
     });
-    /* storage.Rects.forEach((rect) => {
+    storage.Rects.forEach((rect) => {
       datas.push(new RectData(rect));
-    }); */
+    });
     storage.iscsFans.forEach((fan) => {
       datas.push(new IscsFanData(fan));
     });

src/graphics/rect/RectDrawAssistant.ts

@@ -93,9 +93,12 @@ export class RectDraw extends GraphicDrawAssistant<RectTemplate, IRectData> {
     return [x, y, w, h];
   }
   prepareData(data: IRectData): boolean {
+    if (this.point1 == null) {
+      console.log('Rect绘制因点不够取消绘制');
+      return false;
+    }
     const p1 = this.point1 as Point;
     const p2 = this.point2 as Point;
-    if (p1 !== null) {
     const [x, y, width, height] = this.normalize(p1, p2);
     const template = this.graphicTemplate;
     data.point = new Point(x, y);
@@ -103,7 +106,6 @@ export class RectDraw extends GraphicDrawAssistant<RectTemplate, IRectData> {
     data.lineColor = template.lineColor;
     data.width = width;
     data.height = height;
-    }
     return true;
   }
 }