发送单张图片时解决打开问题

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发送单张图片后要shutdownoutput，或者说用对输入流或者说输出流close（）。甚至用将socket.close()，才能读出图片。但是想再给客户端发信息就没办法了。

解决方案：

1、服务器端首先发送此图片大小，再发\n结尾

2、客户端接收到大小后，将byte数组设置为1，计算循环次数。当次数为接收到的大小时退出循环

server端：

File file = new File(path);

FileInputStream input = new FileInputStream(file);

byte[] buffer=new byte[6000];

try {

writer.println((int) file.length());

writer.flush();

int num= input.read(buffer);

OutputStream output = ClientSocket.getOutputStream();

OutputStream sendStream = new DataOutputStream(newBufferedOutputStream(output));

// sendStream.write(int) file.length());

while(num!=-1)

{

sendStream.write(buffer, 0,num);

sendStream.flush();

num=input.read(buffer);

}

sendStream.write('\r');

sendStream.write('\n');

sendStream.flush();

input.close();

客户端：

byte[] buffer = new byte[1];

File file= new File("test.jpg");

file.createNewFile();

InputStream input =socket.getInputStream();

InputStream mess=newDataInputStream(new BufferedInputStream(input));

String size = reader.readLine();

System.out.println("收到大小为： "+size);

RandomAccessFile recv = new RandomAccessFile(file,"rw");

int num =mess.read(buffer);

int RecvSize=0;

while(num!=-1&&(RecvSize

{

RecvSize+=num;

recv.write(buffer,0,num);

recv.skipBytes(num);

num=mess.read(buffer);

// System.out.print("s:"+RecvSize);

}

System.out.print("i am out");

System.out.println("共收到: "+RecvSize);

recv.close();

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