<template>
  <el-dialog :title="upload.title" :visible.sync="upload.open" width="400px" append-to-body>
    <el-upload
      ref="upload"
      :limit="1"
      accept=".xlsx, .xls"
      :headers="upload.headers"
      :action="upload.url + '?updateSupport=' + upload.updateSupport"
      :disabled="upload.isUploading"
      :on-progress="handleFileUploadProgress"
      :on-success="handleFileSuccess"
      :auto-upload="false"
      drag
    >
      <i class="el-icon-upload"></i>
      <div class="el-upload__text">
        将文件拖到此处，或
        <em>点击上传</em>
      </div>
      <div class="el-upload__tip" slot="tip">
        <el-checkbox v-model="upload.updateSupport" />是否更新已经存在的用户数据
        <el-link type="info" style="font-size:12px" @click="importTemplate">下载模板</el-link>
      </div>
      <div class="el-upload__tip" style="color:red" slot="tip">提示：仅允许导入“xls”或“xlsx”格式文件！</div>
    </el-upload>
    <div slot="footer" class="dialog-footer">
      <el-button type="primary" @click="submitFileForm">确 定</el-button>
      <el-button @click="upload.open = false">取 消</el-button>
    </div>
  </el-dialog>
</template>

<script>
  import { getToken } from "@/utils/auth";
  import { importTemplate } from "@/api/gasBottleTrack/gasUser";
  export default {
    name: "index",
    data(){
      return{
        upload: {
          // 是否显示弹出层（用户导入）
          open: false,
          // 弹出层标题（用户导入）
          title: "",
          // 是否禁用上传
          isUploading: false,
          // 是否更新已经存在的用户数据
          updateSupport: 0,
          // 设置上传的请求头部
          headers: { Authorization: "Bearer " + getToken() },
          // 上传的地址
          url: process.env.VUE_APP_BASE_API + "/gasUser/info/importData"
        },
      }
    },
    methods:{
      /** 下载模板操作 */
      importTemplate() {
        importTemplate().then(response => {
            this.download(response.msg);
        });
      },
      // 提交上传文件
      submitFileForm() {
        this.$refs.upload.submit();
      },
      // 文件上传中处理
      handleFileUploadProgress(event, file, fileList) {
        this.upload.isUploading = true;
      },
      // 文件上传成功处理
      handleFileSuccess(response, file, fileList) {
        this.upload.open = false;
        this.upload.isUploading = false;
        this.$refs.upload.clearFiles();
        this.$alert(response.msg, "导入结果", { dangerouslyUseHTMLString: true });
        this.$parent.getList();
      },
    }
  }
</script>

<style scoped>

</style>
