fix(图表): 修复Safari 在导出图表为PNG图片时报错问题 #17210 (#17279)

core/core-frontend/src/utils/imgUtils.ts

@@ -79,36 +79,6 @@ export function download2AppTemplate(downloadType, canvasDom, name, attachParams
 }
 
 export function downloadCanvas2(type, canvasDom, name, callBack?) {
-  toPng(canvasDom)
-    .then(dataUrl => {
-      if (type === 'img') {
-        const a = document.createElement('a')
-        a.setAttribute('download', name + '.png')
-        a.href = dataUrl
-        document.body.appendChild(a)
-        a.click()
-        document.body.removeChild(a)
-      } else {
-        const contentWidth = canvasDom.offsetWidth
-        const contentHeight = canvasDom.offsetHeight
-        const lp = contentWidth > contentHeight ? 'l' : 'p'
-        const PDF = new JsPDF(lp, 'pt', [contentWidth, contentHeight])
-        PDF.addImage(dataUrl, 'PNG', 0, 0, contentWidth, contentHeight)
-        PDF.save(name + '.pdf')
-      }
-      if (callBack) {
-        callBack()
-      }
-    })
-    .catch(error => {
-      if (callBack) {
-        callBack()
-      }
-      console.error('oops, something went wrong!', error)
-    })
-}
-
-export function downloadCanvas(type, canvasDom, name, callBack?) {
   // const canvasDom = document.getElementById(canvasId)
   if (canvasDom) {
     html2canvas(canvasDom)
@@ -145,6 +115,36 @@ export function downloadCanvas(type, canvasDom, name, callBack?) {
   }
 }
 
+export function downloadCanvas(type, canvasDom, name, callBack?) {
+  toPng(canvasDom)
+    .then(dataUrl => {
+      if (type === 'img') {
+        const a = document.createElement('a')
+        a.setAttribute('download', name + '.png')
+        a.href = dataUrl
+        document.body.appendChild(a)
+        a.click()
+        document.body.removeChild(a)
+      } else {
+        const contentWidth = canvasDom.offsetWidth
+        const contentHeight = canvasDom.offsetHeight
+        const lp = contentWidth > contentHeight ? 'l' : 'p'
+        const PDF = new JsPDF(lp, 'pt', [contentWidth, contentHeight])
+        PDF.addImage(dataUrl, 'PNG', 0, 0, contentWidth, contentHeight)
+        PDF.save(name + '.pdf')
+      }
+      if (callBack) {
+        callBack()
+      }
+    })
+    .catch(error => {
+      if (callBack) {
+        callBack()
+      }
+      console.error('oops, something went wrong!', error)
+    })
+}
+
 export function dataURLToBlob(dataUrl) {
   // ie 图片转格式
   const arr = dataUrl.split(',')