Question

如何使用Web流程多次重定向到同一个状态例如：

on('submit'){
    def destinationInstance = Destination.get(params.destination)
    def destinationGroupsInstance = DestinationGroup.get(params.destinationGroups)
    def h = destinationInstance.addToDestinationGroups(destinationGroupsInstance)
}.to('flowList')

我需要的是如何在目的地结束之前多次进入这种状态 THX

Answer 1

嗯，你可能有类似下面的代码，这些代码未经测试，但可能会给你一个大概的想法。

def destinationFlow = {

    initialize {
        action {
            flow.destination = Destination.get(params.id)
        }
        on('success').to 'destinationList'
    }

    destinationList {
        render(view: 'destinationList')
        on('addDestination') {
            def destinationGroup = DestinationGroup.get(params.destinationGroupId)
            flow.destination.addToDestinationGroups(destinationGroup)
        }.to 'destinationList'

        on('finish').to 'done'
    }

    done {
        flow.destination.save()
        redirect(...) // out of the flow
    }
}

您需要destinationList视图上的按钮来调用'addDestination'或'finish'动作。请参阅WebFlow documentation和Reference Guide。

Answer 2

on('submit'){
   def destinationInstance = Destination.get(params.destination)
   def destinationGroupsInstance = DestinationGroup.get(params.destinationGroups)
   def h = destinationInstance.addToDestinationGroups(destinationGroupsInstance)
}.to{
   (condition or while loop or for loop)
   if success then 
      return "<state name>"
   else
      return "flowList"
}

参考： http://livesnippets.cloudfoundry.com/docs/guide/2.%20Grails%20webflow%20plugin.html

grails应用程序中的webflow

2 个答案: