axios封装导出功能

src/common/axios/index.js

@@ -585,4 +585,37 @@ export default {
     })
   },
 
+  _downloadFile (url, params, method = 'get', fileName = '导出文件') {
+    _axios({
+      method,
+      url,
+      data: method !== 'get' ? params : {},
+      params: method === 'get' ? params : {},
+      responseType: 'blob'
+    }).then(
+      res => {
+        const data = res.data
+        // 兼容ie
+        if (window.navigator.msSaveOrOpenBlob) {
+          try {
+            const blobObject = new Blob([data])
+            window.navigator.msSaveOrOpenBlob(blobObject, fileName)
+          } catch (e) {
+            console.log(e)
+          }
+          return
+        }
+        // a标签实现下载
+        // type为导出文件格式 例application/vnd.openxmlformats-officedocument.spreadsheetml.sheet 导出为xlsx格式
+        let url = window.URL.createObjectURL(new Blob([data], { type: "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet" }))
+        let a = document.createElement('a')
+        a.style.display = 'none'
+        a.href = url
+        a.setAttribute('download', fileName)
+        document.body.appendChild(a)
+        a.click()
+        document.body.removeChild(a);
+        URL.revokeObjectURL(url); // 释放对象URL
+    })
+  },
 }