style: 样式修改

frontend/src/components/canvas/components/Editor/Preview.vue

@@ -4,7 +4,7 @@
       <div
         id="canvasInfoTemp"
         ref="canvasInfoTemp"
-        :style="[{height:mainHeight},screenShotStyle]"
+        :style="[canvasInfoTempStyle,screenShotStyle]"
         class="main-class"
         @mouseup="deselectCurComponent"
         @mousedown="handleMouseDown"
@@ -144,6 +144,19 @@ export default {
         }
       }
     },
+    canvasInfoTempStyle() {
+      if (this.screenShot) {
+        return {
+          width: '100%',
+          height: this.mainHeight
+        }
+      } else {
+        return {
+          width: '100%',
+          height: '100%'
+        }
+      }
+    },
     customStyle() {
       let style = {
         width: '100%'