使用URL映射(UrlMapping)改变主页

在grails-app/conf/UrlMapping.groovy中可以改变映射

class UrlMappings {

	static mappings = {
		"/$controller/$action?/$id?"{
			constraints {
				// apply constraints here
			}
		}

		"/"(controller:'race',action:'list')
		"500"(view:'/error')
	}
}