B.3. helloworld 稳健

 Command line:
   HelloWorld-robust [brokerUrl [brokerEndpointAddress [payloadText [enableTrace]]]]
 Default:
   HelloWorld-robust amqp://localhost:5672 amq.topic "Hello World"

 Command line:
   HelloWorld-robust [brokerUrl [brokerEndpointAddress [payloadText [enableTrace]]]]
 Default:
   HelloWorld-robust amqp://localhost:5672 amq.topic "Hello World"

HelloWorld-robust
Broker: amqp://localhost:5672, Address: amq.topic, Payload: Hello World!
body:Hello World!

$ HelloWorld-robust
Broker: amqp://localhost:5672, Address: amq.topic, Payload: Hello World!
body:Hello World!

HelloWorld-robust amqp://localhost:5672 amq.topic "My Hello" loggingOn

$ HelloWorld-robust amqp://localhost:5672 amq.topic "My Hello" loggingOn