具有以下域类:的Grails GORM:常规地图
class Word {
Map translations
static hasMany = [translations: String]
String toString(){
id
}
}
,并保存在Grails的自举一些实例:
def word1 = new Word(translations: [en:"game"]);
word1.save(failOnError: true, flush: true)
def word3 = new Word(translations: [en:"gate"]);
word3.save(failOnError: true, flush: true)
def word2 = new Word(translations: [en:"life"]);
word2.save(failOnError: true, flush: true)
它不能够正确地得到translations
场。例如:
//input
println Word.findAll().each {
println it.translations
}
//output
[:]
[:]
[:]
[1, 2, 3]
怎么了?
您正在定义两个适当的与Map和hasMany命名为'translations'。我很惊讶,它可以工作,但我会开始只有一个,它看起来像你想它是地图。 – 2012-02-02 14:26:19
没关系,我想。即使没有hasMany,它也不起作用。检查此:http://tinyurl.com/7ysmq2m – tiktak 2012-02-02 14:29:29
@tiktak该链接似乎表明它应该没有'hasMany' – 2012-02-02 14:42:32