记账软件版1楼: 我是用socket api 写的通讯程序，当server端在通过accept返回的socket上send数据时，先设置为阻塞模式，然后发送第一个信息包，成功，当再发第二个信息包时，总返回10057错误，使用同一个函数，从client端向server端发送时则没有问题。

2楼: 10057 Socket is not connected.



(10057)
Socket is not connected.
A request to send or receive data was disallowed because the socket is not connected and (when sending on a datagram socket using sendto) no address was supplied. Any other type of operation might also return this error - for example, setsockopt setting SO_KEEPALIVE if the connection has been reset. 如汽车维修管理软件

3楼: socket已经连接

4楼: 看看是不是你的服务端发送数据以后，你将套接字给关了！

5楼: 第一和第二个数据包之间没有间隔，连续发送的

6楼: 代码扔出来看看~~~