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<template>
<el-dialog :visible.sync="dialogPush" append-to-body  :close-on-click-modal="false"  @close="recoverPage" title="导出">
  <div style="margin-bottom: 10px">
    <el-radio-group v-model="radio">
      <el-radio :label="0">选择</el-radio>
      <el-radio :label="1">全部</el-radio>
      <el-radio :label="2">页码</el-radio>
    </el-radio-group>
  </div>
  <div style="text-align: center">
  <el-transfer
    style="text-align: left; display: inline-block;height: 400px"
    filterable
    :filter-method="filterMethod"
    filter-placeholder="关键词搜索"
    v-model="value"
    :titles="['未选属性', '已选属性']"
    :data="data">
  </el-transfer>
  </div>
  <div style="display: flex;justify-content: flex-end;">
    <el-button size="small" plain type="success" @click="handleExcel">确定</el-button>
    <el-button size="small" plain >取消</el-button>
  </div>
</el-dialog>
</template>
 
<script>
import {exportCode} from '@/api/GetItem'
export default {
name: "MasterTransfer",
  props:['visible','tableHeadData','codeClassifyOid','tableData','selectRow'],
  data(){
    return {
      data: [],
      value: [],
      filterMethod(query, item) {
        return item.label.indexOf(query) > -1;
      },
      dialogPush:this.visible,
      radio:0,
      tableHeadFindData:[],
      tableExportData:[],
      option:{
        title: '文档标题',
        column: [{
          label: '主数据',
          prop: 'header',
          children: []
        }],
        data: []
      }
    };
  },
  watch:{
    //监听初始化
    visible (){
      this.dialogPush = this.visible;
    },
    //表头数据 用来渲染穿梭框
    tableHeadData:{
      handler(newval,oldval){
        console.log(newval)
       if(newval){
         //excel表头数据转换
         this.tableHeadFindData=newval.map(obj => obj.label);
         this.tableHeadFindData.forEach((city, index) => {
           this.data.push({
             label: city,
             key: index,
           });
         });
         //excel表格数据转换
         this.option.column[0].children=newval.map(obj => {
           return {
             label: obj.label,
             prop: obj.prop
           }
         })
       }
      }
},
    tableData(){
      // 将值里面的true或false改变为是或否
      this.option.data = this.tableData.map(obj => {
          for (let prop in obj) {
            if (obj[prop] === "true") {
              obj[prop] = "是";
            } else if (obj[prop] === "false") {
              obj[prop] = "否";
            }
          }
        return obj;
      });
    },
    codeClassifyOid:{
      handler(newval,oldval){
      }
    }
  },
  computed:{
 
  },
  mounted() {
  },
  methods:{
    //关闭页面
    recoverPage(){
      this.$emit('update:visible', false);
    },
    handleExcel(){
      // this.$Export.excel({
      //   title: this.option.title,
      //   columns: this.option.column,
      //   data: this.option.data
      // });
      if(this.radio === 0){
        if(this.selectRow.length<=0){
          this.$message.warning('请选择要导出的模板')
        }else {
          //已选择多选
          const selectList=[]
          //已选择属性
          let exportArr={}
          const ids = this.selectRow.map(item => item.oid).join(',')
          this.selectRow.forEach(item=>{
            selectList.push(
             item.oid
            )
          })
          this.value.map(index => this.tableHeadData[index].prop).forEach((item, index) => {
            exportArr[`attrIdIndexMap[${index}]`] = item
          })
          exportCode({codeClassifyOid:this.codeClassifyOid,'conditionMap[oid]':ids,...exportArr}).then(res=>{
            console.log('res',res)
            const filename = '下载.xlsx'; // 下载的文件名
            const blob = new Blob([res.data], { type: 'application/vnd.ms-excel' });
            const a = document.createElement('a');
            const url = window.URL.createObjectURL(blob);
            a.href = url;
            a.download = filename;
            a.style.display = 'none';
            document.body.appendChild(a);
            a.click();
            document.body.removeChild(a);
            window.URL.revokeObjectURL(url);
 
            // const filename = '下载.xlsx'; // 下载的文件名
            // const blob = new Blob([response.data], { type: 'application/vnd.ms-excel' });
            //
            // const url = window.URL.createObjectURL(blob);
            // const link = document.createElement('a');
            // link.href = url;
            // link.setAttribute('download', filename);
            // document.body.appendChild(link);
            // link.click();
            // document.body.removeChild(link);
            // URL.revokeObjectURL(url);
          })
 
        }
      };
    },
  }
}
</script>
 
<style scoped lang="scss">
 
</style>