<el-table-column fixed="right" header-align="center" align="center" prop="action" label="操作" width="180px">
        <template slot-scope="scope">
          <el-button type="primary" size="mini" @click="download(scope.row)">下载</el-button>
        </template>
</el-table-column>

 download(item) {
      window.open('http://localhost:xxxx/#/xxxx/newbaseDownload?id=' + item.id)
 }

接参：

 

 created() {
        console.log(this.$route,"this.$route");
        console.log(this.$route.query, "参数id")
        console.log(this.$route.query.id)
 },