ElementUI - Upload file upload

Foreword :

           Implement single file upload! This article only records how to implement the code to facilitate learning and use in later projects! !

Code implementation :

<!--********** View ********** -->
<el-upload
   class="upload-demo"
   :http-request="UploadFile"
   :show-file-list="false"
   >
   <el-button type="success">上传模板</el-button>
</el-upload>

//------------ script -----------

//上传模板
async function UploadFile(file) {
  if (JSON.stringify(file.file) != "{}") {
  formData.append("file", file.file);
  let res = await UploadFileAPI(formData);
   if (res.data.message == "上传成功") {
      ElMessage({
        type: "success",
        message: "上传成功",
      });
    }
  }
}