responseText上的Javascript错误-1072896658

Question

我正在尝试从API获取响应文本，但我无法： 我试图将响应字符集设置为： utf8，utf-8，UTF8，UTF-8以及许多其他...

http.Open("POST", url, async);
http.SetRequestHeader("Content-Type", "multipart/form-data; charset=utf-8; boundary=" + STR_BOUNDARY);
http.SetRequestHeader("Accept", "application/json; charset=utf-8");
http.SetRequestHeader("Accept-Charset", "utf-8");

http.Send(data)

http.responseBody

???????????????????????????????????????}

http.responseText

system Error: -1072896658.

http.statusText

"OK"

图片-> https://i.stack.imgur.com/0Lqbf.png