技術標籤：vuevuejavascript

<input type="file" id="putfile" ref="inputer" @change="fileUpload" />
//方法：
fileUpload(event) {
      console.log(event);
      let file = event.target.files;//一個檔案流
      let formData = new FormData();
      formData.append("file"
 
, file[0]);
      console.log(formData);
      // 檔案上傳
      this.$axios({
        method: "POST",
        url: "/api/device/deviceInfo/createDeviceInfoByExcel",
        headers: {
          "Content-Type": "multipart/form-data",
          token: localStorage.getItem(
 
"token"),//token值，根據介面要求傳或者不傳
        },
        data: formData,
      })
        .then((res) => {
          console.log(res);
        })
        .catch((e) => {
          alert(e);
        });
    },