导入文件的写法

1.

<el-button type="" @click="upload">导入学员</el-button>

2.

upload(){

      this.$refs['files'].click()

    }

3.

<input

      style="display: none"

      ref="files"

      @change="uploadExcelFile"

      type="file"

      accept=".csv, application/vnd.openxmlformats-officedocument.spreadsheetml.sheet, application/vnd.ms-excel"

    />

4.

uploadExcelFile(e) {

      const file = e.target.files[0]

      if (!this.checkFile(file)) return

      const formData = new FormData()

      formData.append('file', file)

      this.uploading = true

      uploadExamUsers(this.examValue,formData)

        .then(() => {

          this.$message.success('导入成功')

          this.getExamineeByPage()

        })

        .catch(() => {

        })

    },