IE 尝试在 ASP 中下载 JSON。网络 MVC 3

使用IE在ASP中下载JSON

asp
<%
Response.ContentType = "application/json"
Dim json As String = "{""name"":""John"", ""age"":30, ""city"":""New York""}"
Response.Write(json)
%>

javascript
function downloadJSON() {
  var xhr = new XMLHttpRequest();
  xhr.open("GET", "example.asp", true);
  xhr.responseType = "json";
  xhr.onload = function() {
    if (xhr.status === 200) {
      var json = JSON.stringify(xhr.response);
      var blob = new Blob([json], {type: "application/json"});
      var url = URL.createObjectURL(blob);
      var a = document.createElement("a");
      a.href = url;
      a.download = "data.json";
      a.click();
      URL.revokeObjectURL(url);
    }
  };
  xhr.send();
}