perf: 优化标尺的展示方式

src/views/chart/ContentEdit/components/EditTools/utils/index.ts

@@ -17,19 +17,16 @@ export const exportHandle = () => {
   )
 
   // 导出图片
-  const ruler = document.getElementById('mb-ruler')
   const range = document.querySelector('.go-edit-range') as HTMLElement
   const watermark = document.getElementById('go-edit-watermark')
   // 隐藏边距线
-  if (!ruler || !range || !watermark) {
+  if (!range || !watermark) {
     window['$message'].error('导出失败！')
     return
   }
 
   // 记录缩放比例
   const scaleTemp = chartEditStore.getEditCanvas.scale
-  // 去除标尺Dom
-  ruler.style.display = 'none'
   // 百分百展示页面
   chartEditStore.setScale(1, true)
   // 展示水印
@@ -39,8 +36,6 @@ export const exportHandle = () => {
     canvasCut(range, () => {
       // 隐藏水印
       if (watermark) watermark.style.display = 'none'
-      // 放开边距线
-      if (ruler) ruler.style.display = 'block'
       // 还原页面大小
       chartEditStore.setScale(scaleTemp, true)
     })