服务器端代码(tomcat做服务器,典型的servlet程序) DataInputStream dis = new DataInputStream(request.getInputStream()); int size = 0; size = request.getContentLength(); byte[] buffer = new byte[size]; // 用于缓存每次读取的数据 while (true) { int i = dis.read(buffer, 0, size); if (i == -1) break; } String content = new String(buffer); System.out.println(content);