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How can I upload files asynchronously with jQuery?（34个答案）
5小时前关门了。
我正在尝试将带有jsonData的Fileobjet发布到Ajax发布
或
将fileobject和jsonData追加到formData中，然后通过API发送。
我不知道下面的脚本将工作与否...可以任何人都可以帮助这个。
获取错误，
1.文件为空{}

1. 401错误提示
   输入

<input
  type="file"
  id="mypicid"
  name="file"
  accept="application/msword, application/vnd.ms-excel, application/vnd.ms-powerpoint,text/plain, application/pdf, image/\*" 
  required
  style="word-wrap: break-word; width: 99%"
/>

JavaScript语言

$("form#data").submit(function (e) {
  e.preventDefault();
  var formData = new FormData(this);
  var datajson_obj = {
    file: formData,
    jsonData: {
      uploadImmunizationReport: {
        userId: user_ids,
        provider_name: "",
        documentType: "IMMUNIZATION",
        documentName: savefile_name,
        memberId: memberids,
        documentDateAndTime: "2023-02-01T10:09:17.000+0000",
        lab_name: "",
      },
    },
  };
  var datajson_data = JSON.stringify(datajson_obj);
  $.ajax({
    url: "xxxxxxx", //URL From API
    data: datajson_data,
    crossDomain: true,
    dataType: "json",
    type: "POST",
    headers: {
      "Content-Type": "application/json",
      "Access-Control-Allow-Credentials": "true",
      "Access-Control-Allow-Origin": "*",
      "Access-Control-Allow-Headers": "*",
      Authorization: "Bearer" + token,
    },
    success: function (response) {
      $("#mydiv").css("display", "none");
      location.reload();
    },
  });
});