修改

src/views/sys/admin.vue

@@ -10,7 +10,7 @@
       <el-button class="filter-item" type="primary" v-waves icon="el-icon-search" @click="handleQuery">查找</el-button>
       <el-button class="filter-item" icon="el-icon-refresh" @click="resetQuery">重置</el-button>
       <el-button class="filter-item" type="primary" @click="handleCreate" icon="el-icon-plus">添加</el-button>
-      <el-button class="filter-item" :loading="downloadLoading" v-waves icon="el-icon-download" @click="handleDownload">导出</el-button>
+      <el-button class="filter-item" v-waves icon="el-icon-download" @click="handleDownload">导出</el-button>
     </div>
 
     <!-- 查询结果 -->
@@ -424,13 +424,7 @@ export default {
       })
     },
     handleDownload() {
-      this.downloadLoading = true
-      import('@/vendor/Export2Excel').then(excel => {
-        const tHeader = ['用户ID', '用户名称','用户昵称', '用户头像']
-        const filterVal = ['id', 'username', 'nickname', 'avatar']
-        excel.export_json_to_excel2(tHeader, this.list, filterVal, '用户信息')
-        this.downloadLoading = false
-      })
+      window.location.href = process.env.BASE_API + '/admin/export';
     },
     getRoleList() {
       roleList({ page: 1, limit: 100 })