RabbitMq 管理后台使用方式：
发送消息：需要设置发送属性：content_type=text/plain
payload里面填写数值。
rabbitMq新增用户：
创建用户
rabbitmqctl add_user {用户名} {密码}
// 设置权限
rabbitmqctl set_user_tags {用户名} {权限}
例：创建一个超级用户
rabbitmqctl add_user admin1 admin1
rabbitmqctl set_user_tags admin1 administrator
查看用户列表
rabbitmqctl list_users
为用户赋权
// 使用户user1具有vhost1这个virtual host中所有资源的配置、写、读权限以便管理其中的资源
rabbitmqctl set_permissions -p vhost1 user1 '.*' '.*' '.*'
// 查看权限
rabbitmqctl list_user_permissions user1
rabbitmqctl list_permissions -p vhost1
// 清除权限
rabbitmqctl clear_permissions [-p VHostPath] User
删除用户
rabbitmqctl delete_user Username
修改用户的密码
rabbitmqctl change_password Username Newpassword
异常信息如下：
Exception in thread "main" java.io.IOException
at com.rabbitmq.client.impl.AMQChannel.wrap(AMQChannel.java:106)
at com.rabbitmq.client.impl.AMQChannel.wrap(AMQChannel.java:102)
at com.rabbitmq.client.impl.AMQChannel.exnWrappingRpc(AMQChannel.java:124)
at com.rabbitmq.client.impl.AMQConnection.start(AMQConnection.java:376)
at com.rabbitmq.client.ConnectionFactory.newConnection(ConnectionFactory.java:603)
at com.rabbitmq.client.ConnectionFactory.newConnection(ConnectionFactory.java:625)
at com.gdf.example.rabbitmq.helloworld.Send.main(Send.java:20)
Caused by: com.rabbitmq.client.ShutdownSignalException: connection error; protocol method: #method<connection.close>(reply-code=530, reply-text=NOT_ALLOWED - access to vhost '/' refused for user 'admin', class-id=10, method-id=40)
at com.rabbitmq.utility.ValueOrException.getValue(ValueOrException.java:67)
at com.rabbitmq.utility.BlockingValueOrException.uninterruptibleGetValue(BlockingValueOrException.java:33)
at com.rabbitmq.client.impl.AMQChannel$BlockingRpcContinuation.getReply(AMQChannel.java:348)
at com.rabbitmq.client.impl.AMQChannel.privateRpc(AMQChannel.java:221)
at com.rabbitmq.client.impl.AMQChannel.exnWrappingRpc(AMQChannel.java:118)
原因：admin用户没有访问权限"/"
问题解决：
rabbitmqctl set_permissions -p / admin '.*' '.*' '.*' #为admin用户分配读、写、配置权限；