表格文件不存在,下载失败提示

src/api/httputils.js

@@ -38,7 +38,7 @@ axiosservice.interceptors.request.use(
         if (config.url.includes('/data/file/uploadExcel')) {
             config.headers['Content-Type'] = 'multipart/form-data'
             config.transformRequest = [
-                function(data, headers) {
+                function (data, headers) {
                     return data
                 },
             ]
@@ -52,7 +52,7 @@ axiosservice.interceptors.request.use(
 )
 
 axiosservice.interceptors.response.use(
-    function(res) {
+    function (res) {
         //在这里对返回的数据进行处理
         let resp = res.data
         if (resp.result === 'unauthc') {
@@ -76,7 +76,7 @@ axiosservice.interceptors.response.use(
         }
         return res
     },
-    function(err) {
+    function (err) {
         if (err.response.status == 401) {
             store.commit('SETISREQUESTtAUTH', 'err')
             router.push({
@@ -171,33 +171,38 @@ export default {
             throw err
         }
     },
-    download(url, params) {
+    async download(url, params) {
         // 响应类型：arraybuffer, blob
-        axiosservice
-            .get(url,  {
-                params,
-                responseType: 'blob',
-            })
-            .then((resp) => {
-                let headers = resp.headers
-                let contentType = headers['content-type']
-                if (!resp.data) {
-                    console.error('响应异常：', resp)
-                    return false
-                } else {
-                    //console.log("下载文件：", resp)
-                    const blob = new Blob([resp.data], {
-                        type: contentType,
-                    })
-                    const contentDisposition = resp.headers['content-disposition']
-                    let fileName = 'unknown'
-                    if (contentDisposition) {
-                        fileName = window.decodeURI(resp.headers['content-disposition'].split('=')[1])
+        return new Promise((resolve, reject) => {
+            axiosservice
+                .get(url, {
+                    params,
+                    responseType: 'blob',
+                })
+                .then((resp) => {
+                    let headers = resp.headers
+                    let contentType = headers['content-type']
+                    if (!resp.data?.size) {
+                        console.error('响应异常：', resp)
+                        resolve({ msg: '文件不存在,下载失败!' })
+                        return false
+                    } else {
+                        //console.log("下载文件：", resp)
+                        const blob = new Blob([resp.data], {
+                            type: contentType,
+                        })
+                        const contentDisposition = resp.headers['content-disposition']
+                        let fileName = 'unknown'
+                        if (contentDisposition) {
+                            fileName = window.decodeURI(resp.headers['content-disposition'].split('=')[1])
+                        }
+                        downFile(blob, fileName)
+                        resolve()
                     }
-                    downFile(blob, fileName)
-                }
-            })
-            .catch(function(error) {})
+                })
+                .catch(function (error) { })
+        })
+
     },
     axios: axiosservice,
 }

src/views/equipment/index.vue

@@ -175,7 +175,10 @@ export default {
                 smsxt: this.smsxt,
                 floor: this.floorInfo.gname,
             }
-             downloadExcel({ getParams })
+            downloadExcel({ getParams }).then(res=>{
+                // 文件不存在,下载失败提示
+                res.msg && this.$message({ type: 'warning', message: res.msg })
+            })
         },
         // 查询tab页
         tabSyatem(item) {