add js-xlsx/xlsx.core.min.js

web/building_saas/main/js/views/project_view.js

@@ -2039,6 +2039,7 @@ $('#customFile').change(function () {
             console.log('enter');
             try {
                 let data = ev.target.result;
+                console.log(data);
                 // 以二进制流方式读取得到整份excel表格对象
                 let workbook = XLSX.read(data, {type: 'binary'});
                 // 遍历每张表读取