feat: 新增图片单独上传，只在数据中留地址的实现

src/controllers/handler.js

@@ -1476,13 +1476,7 @@ export default function luckysheetHandler() {
             if(!checkProtectionAuthorityNormal(Store.currentSheetIndex, "editObjects")){
                 return;
             }
-            let render = new FileReader();
-            render.readAsDataURL(files[0]);
-
-            render.onload = function(event){
-                let src = event.target.result;
-                imageCtrl.inserImg(src);
-            }
+            imageCtrl.insertImg(files[0]);
         }
         handleCellDragStopEvent(e);
     }, false);
@@ -4886,14 +4880,7 @@ export default function luckysheetHandler() {
             return;
         }
         let file = e.currentTarget.files[0];
-        let render = new FileReader();
-        render.readAsDataURL(file);
-
-        render.onload = function(event){
-            let src = event.target.result;
-            imageCtrl.inserImg(src);
-            $("#luckysheet-imgUpload").val("");
-        }
+        imageCtrl.insertImg(file);
     });
 
     //菜单栏 插入链接按钮
@@ -5620,12 +5607,7 @@ export default function luckysheetHandler() {
                 }
                 //复制的是图片
                 else if(clipboardData.files.length == 1 && clipboardData.files[0].type.indexOf('image') > -1){
-                    let render = new FileReader();
-                    render.readAsDataURL(clipboardData.files[0]);
-                    render.onload = function(event){
-                        let src = event.target.result;
-                        imageCtrl.inserImg(src);
-                    }
+                    imageCtrl.insertImg(clipboardData.files[0]);
 
                     return;
                 }

src/controllers/imageCtrl.js

@@ -8,6 +8,7 @@ import { setluckysheet_scroll_status } from '../methods/set';
 import { replaceHtml } from '../utils/util';
 import Store from '../store';
 import locale from '../locale/locale';
+import tooltip from '../global/tooltip';
 
 const imageCtrl = {
     imgItem: {
@@ -49,7 +50,29 @@ const imageCtrl = {
     cropChangeXY: null,
     cropChangeObj: null,
     copyImgItemObj: null,
-    inserImg: function(src){
+    insertImg: function (file) {
+        const uploadImage = Store.toJsonOptions && Store.toJsonOptions['uploadImage'];
+        if (typeof uploadImage === 'function') {
+            // 上传形式
+            uploadImage(file).then(url => {
+                imageCtrl._insertImg(url);
+            }).catch(error => {
+                tooltip.info('<i class="fa fa-exclamation-triangle"></i>', '图片上传失败');
+            });
+        } else {
+            // 内部base64形式
+            let render = new FileReader();
+            render.readAsDataURL(file);
+
+            render.onload = function(event){
+                let src = event.target.result;
+                imageCtrl._insertImg(src);
+                $("#luckysheet-imgUpload").val("");
+            }
+        }
+    },
+
+    _insertImg: function(src){
         let _this = this;
         
         let last = Store.luckysheet_select_save[Store.luckysheet_select_save.length - 1];