String saveDir ="D:\\"; URL url =newURL(fileURL); HttpURLConnection httpConn = (HttpURLConnection) url.openConnection(); intresponseCode = httpConn.getResponseCode(); if(responseCode == HttpURLConnection.HTTP_OK) { InputStream inputStream = httpConn.getInputStream(); String saveFilePath...
HTTP 状态码(HTTP Status Code)是用以表示网页服务器 HTTP 响应状态的 3 位数字代码。它由 RFC 261...
可能你在HTTP请求中丢失了一些头,请验证你是否传递了端点所需的所有头。
编辑:您需要找到facebook在响应中发送的确切错误消息 您可以修改代码以从错误流中获取消息,如下所示:HttpURLConnection httpConn = (HttpURLConnection)connection; InputStream is; if (httpConn.getResponseCode() >= 400) { is = httpConn.getErrorStream(); } else { is = httpConn.getInputStre...
信息响应(100–199),成功响应(200–299),重定向(300–399),客户端错误(400–499)和服务器错误 (...