Grails 从视图发送的HashMap是控制器中的字符串对象
我正在将HashMap从控制器发送到视图:Grails 从视图发送的HashMap是控制器中的字符串对象,grails,Grails,我正在将HashMap从控制器发送到视图: def list2 = [id:params?.id, title:params?.title, domain:params?.domain, orderOfSubpage:params?.orderOfSubpage] render(view: "list", model: [subpageInstanceList: list, subpageInstanceTotal: list.getTotalCount(), searchParams:li
def list2 = [id:params?.id, title:params?.title, domain:params?.domain, orderOfSubpage:params?.orderOfSubpage]
render(view: "list", model: [subpageInstanceList: list, subpageInstanceTotal: list.getTotalCount(), searchParams:list2])
<g:sortableColumn property="id" title="Id" class="td-id-class subpage-td" params="['searchParams':searchParams]"/>
该值为:
searchParams={id=, title=, domain=, orderOfSubpage=}
def map2 = params?.searchParams
def id = map2?.id //here is an Exception (checked in debugger)
Class groovy.lang.MissingPropertyException
Message No such property: id for class: java.lang.String
问题:为什么发送回控制器的对象是字符串或者至少是字符串 来自: params(可选)-包含请求参数的映射 您有:
。但是searchParams不是一个合适的请求参数,因为它本身就是一个映射
明确添加所有值,如id、标题、域和orderOfSubpage,如下所示:
params="[id:searchParams.id, domain:searchParams.domain, ...]"
甚至:
params="${searchParams}"
params="${searchParams}"