更新 导出文件提示

src/utils/downloadBlobFile.js

@@ -8,20 +8,26 @@ function downloadBlobFile(url, data, name, type, fileType) {
       data,
     })
       .then((res) => {
-        let blob = new Blob([res.data], {
-          type: fileType,
-        });
-        let downloadElement = document.createElement("a");
-        let href = window.URL.createObjectURL(blob); // 创建下载的链接
-        downloadElement.href = href;
-        downloadElement.download = name; // 下载后文件名
-        document.body.appendChild(downloadElement);
-        downloadElement.click(); // 点击下载
-        document.body.removeChild(downloadElement); // 下载完成移除元素
-        window.URL.revokeObjectURL(href); // 释放掉blob对象
-        resolve({
-          status: 0,
-        });
+        if (res.data.size) {
+          let blob = new Blob([res.data], {
+            type: fileType,
+          });
+          let downloadElement = document.createElement("a");
+          let href = window.URL.createObjectURL(blob); // 创建下载的链接
+          downloadElement.href = href;
+          downloadElement.download = name; // 下载后文件名
+          document.body.appendChild(downloadElement);
+          downloadElement.click(); // 点击下载
+          document.body.removeChild(downloadElement); // 下载完成移除元素
+          window.URL.revokeObjectURL(href); // 释放掉blob对象
+          resolve({
+            status: 0,
+          });
+        } else {
+          resolve({
+            status: -1,
+          });
+        }
       })
       .catch((e) => {
         reject({