1.Channel 1.1 channel.exchangeDeclare(): type:有direct.fanout.topic三种durable:true.false true:服务器重启会保留下来Exchange.警告:仅设置此选项,不代表消息持久化.即不保证重启后消息还在.原文:true if we are declaring a durable exchange (the exchange will survive a server restart)autoDelete:true.f
1.Channel 1.1 channel.exchangeDeclare(): type:有direct.fanout.topic三种durable:true.false true:服务器重启会保留下来Exchange.警告:仅设置此选项,不代表消息持久化.即不保证重启后消息还在.原文:true if we are declaring a durable exchange (the exchange will survive a server restart)autoDelete:true.f
一.redirect为什么会丢数据? when a handler method completes, any model data specified in the method is copied into the request as request attributes, and the request is forwarded to the view for rendering. Because it’s the same request that’s handled by both