try{ String filePath="D:\\桌面文档\\1.txt"; InputStream inputStream = Files.newInputStream(Paths.get(filePath)); int size =inputStream.available(); Connection connect = Jsoup.connect("http://127.0.0.1:8090/log/test01"); connect.header("Content-Type", "multipart/form-data"); connect.data("file","文件名",inputStream); connect.data("fileSize",size+""); connect.data("isCheck","0"); connect.data("sources","pwxmqgc"); connect.ignoreContentType(true); String body = connect.method(Connection.Method.POST).execute().body(); System.out.println(body); }catch (Exception e){ e.getMessage(); }