//读取1.jpg文件写入输出流发送到服务端,
OutputStream out =s.getOutputStream();
byte[]buf =new byte[1024];
int len =0;
while((len=fis.read(buf))!=-1)
{
out.write(buf,0,len);
}
s.shutdownOutput();//结束标记
//再建立接收端 接受服务端返回信息
InputStream in =s.getInputStream();
int num =0;
byte[]bufin =new byte[1024];
//打印返回字符串信息
System.out.println(new String(bufin,0,num));
fis.close();
s.close();
}