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SUB端口可以连接多个PUB端口
context = zmq.Context()
socket = context.socket(zmq.SUB)
print("Collecting updates from weather server...")
socket.connect("tcp://localhost:5666")
socket.connect("tcp://localhost:5667")
#socket.close() # 可以根据需要关闭连接
context is the container for all sockets in a single process, and acts as the transport for inproc sockets, which are the fastest way to connect threads in one process.
Call zmq_ctx_new() once at the start of a process, and zmq_ctx_destroy() once at the end.
问题：
如果写错了对端地址，根本不知道。
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原文地址：http://my.oschina.net/cppblog/blog/403236
