导入文件的写法


1. 导入学员 2. upload(){       this.$refs['files'].click()     } 3. 4. uploadExcelFile(e) {       const file = e.target.files[0]       if (!this.checkFile(file)) return       const formData = new FormData()       formData.append('file', file)       this.uploading = true       uploadExamUsers(this.examValue,formData)         .then(() => {           this.$message.success('导入成功')           this.getExamineeByPage()         })         .catch(() => {         })     },