如何从选择的GSP页面中获取Groovy Map中的所有值

Question

假设我们有一张地图:

def mostBeautifulCities =
[
    cadiz : "Cádiz",
    KeyForCity2 : "some value for city2"
]

我们如何列出所有值？(我没有找到一个简单的方法来查看Groovy JDK文档).

我想在select控件中显示所有值:

<g:select id="city" name="city" 
    from="${  mostBeautifulCities.(...)  }" 
    noSelection="${['':'Select a ugly city...']}" />

Answer 1

<g:select  from="${mostBeautifulCities.entrySet()}" name="city"  optionKey="key" optionValue="value" ></g:select>