如何将值从控制器传递到gsp页面

1 grails grails-controller

我想传递i的值来创建.gsp页面,如何做到这一点

def save = {
    def billingPeriodInstance = new BillingPeriod(params)
    DatabaseImpController obj= new DatabaseImpController()

   int i = obj.setbillPeriod()

   if(i== 1){
        render(view: "create")
   }
}
Run Code Online (Sandbox Code Playgroud)

sbg*_*ius 8

只是用

render(view: "create", model:[i: i])
Run Code Online (Sandbox Code Playgroud)