How do you declare an Objective-C static method that can be called without 开发者_高级运维a class instance?Put a + instead of the usual - in front of your method definition.
目录RocketMQ发送消息start()里面究竟做了什么操作小结RocketMQ发送消息我们在使用RocketMQ发送消息时，一般都会使用DefaultMQProducer，类型的代码如下：Defa...
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