<template>
  <div class="customer-css">
    <el-dialog :title="titleCon" :close-on-click-modal="false" :visible.sync="visible" width="390px" style="height: 520px;" class="customer-dialog">
      <el-form :inline="true" label-position="top" label-width="80px">
        <el-button type="primary" @click="downloadFile()">下载文件模板</el-button>
        <el-row>
          <el-col :span="24">
            <el-upload class="customer-upload" drag action="javascript:void(0);" ref="uploadFile" :limit="1" accept=".xlsx,.xls"
                       :before-upload="beforeUploadHandle" :on-change="onChange" :auto-upload="false" style="text-align: left;">
              <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>
            </el-upload>
          </el-col>
        </el-row>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button type="primary" @click="saveUploadFile()">保存</el-button>
        <el-button type="primary" @click="closeDialog">关闭</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
import {
  subDetailUpload, // 子明细批量导入
  queryFileId, // 查询文件ID
} from "@/api/qc/qc.js"
import { downLoadObjectFile } from '@/api/eam/eam_object_list.js'
import axios from 'axios'
import Vue from 'vue'
export default {
  data() {
    return {
      titleCon: '文件导入',
      visible: false,
      fileList: [],
      pageData: {
        flag: '',
        site: '',
        buNo: '',
        inspectionNo: ''
      },
    }
  },
  methods: {

    //初始化组件的参数
    init (currentRow) {
      // 获得类别
      this.pageData = JSON.parse(JSON.stringify(currentRow))
      //打开页面
      this.visible = true
    },

    // 上传之前
    beforeUploadHandle (file) {
      let extName = file[0].name.substring(file[0].name.lastIndexOf('.')).toLowerCase()
      if (!(extName === '.xlsx' || extName === '.xls')) {
        this.$message.error('数据导入失败，请选择正确的xlsx模板文件')
        return false
      }
    },

    // 选择上传文件时
    onChange (file) {
      this.fileList.push(file)
    },

    // 关闭modal
    closeDialog () {
      this.fileList = []
      // 刷新报工的页面
      //this.$emit('refreshPageTables')
      // 关闭当前的页面
      this.visible = false
    },

    // 保修当前的数据
    saveUploadFile () {
      // 判断文件是否上
      if (null == this.fileList || 0 === this.fileList.length) {
        this.$message.error("请先上传文件!")
        return false
      }
      const formData = new FormData()
      formData.append("file", this.fileList[0].raw)
      formData.append("flag", this.pageData.flag)
      formData.append("site", this.pageData.site)
      formData.append("buNo", this.pageData.buNo)
      formData.append("inspectionNo", this.pageData.inspectionNo)
      subDetailUpload(formData).then(({data}) => {
        if (data.code === 0) {
          // 返回超出上下限的数量
          this.$emit("changeEvent", data.countMap)
          this.$message.success(data.msg)
          // 清空文件上传记录
          this.$refs.uploadFile.clearFiles()
          // 关闭窗口并刷新页面
          //this.closeDialog()
          this.fileList = []
          this.visible = false
        } else {
          let message = data.msg.split(';')
          this.$alert(message[0] + '<br/>' + message[1], '导入失败', {
            confirmButtonText: '确定',
            dangerouslyUseHTMLString: true
          })
        }
      })
    },

    // 下载
    async downloadFile () {
      let file = {
        id: 0,
        fileName: ''
      }
      let tempData = {
        orderRef1: 'qc',
        orderRef2: 'subDetailUpload'
      }
      await queryFileId(tempData).then(({data}) => {
        if (data && data.code === 0) {
          file.id = data.data.id
          file.fileName = data.data.fileName
        } else {
          this.$alert(data.msg, '错误', {
            confirmButtonText: '确定'
          })
        }
      })
      await downLoadObjectFile(file).then(({data}) => {
        // 不限制文件下载类型
        const blob = new Blob([data], {type: "application/octet-stream"})
        // 下载文件名称
        const fileName = file.fileName
        // a标签下载
        const linkNode = document.createElement('a')
        // a标签的download属性规定下载文件的名称
        linkNode.download = fileName
        linkNode.style.display = 'none'
        // 生成一个Blob URL
        linkNode.href = URL.createObjectURL(blob)
        document.body.appendChild(linkNode)
        // 模拟在按钮上的一次鼠标单击
        linkNode.click()
        // 释放URL 对象
        URL.revokeObjectURL(linkNode.href)
        document.body.removeChild(linkNode)
      })
    },

    /**
     * 点击 X 关闭对话框的回调
     **/
    handleDialogClose () {
      this.fileList = []
    }

  }
}
</script>
<style scoped lang="scss">
</style>
