InList约束来自Config.groovy属性的值 [英] InList constraints values from Config.groovy property

问题描述

我定义了一个带有inList约束的字段的简单类，我想从Config.groovy文件中定义的属性加载约束列表。

这是class

  class用户{
字符串电子邮件
字符串部门
 
静态约束= {
 email unique：true 
 department inList：[ABC，DEF，EGF，ETC] 
} 
} 
  

和config属性

  app.departments = [ABC，DEF，EGF，ETC] 
  

我想从config.groovy属性中加载我的inList约束值是否可能？



谢谢


解决方案

持有者可以在这种情况下使用。

  import grails.util.Holders 
 
 class用户{
字符串电子邮件
字符串部门
 
静态约束= {
电子邮件唯一：真正
部门inList：Holders.co nfig.app.departments 
} 
} 
 
 // config 
 app.departments = [ABC，DEF，EGF，ETC ] 
  




I defined a simple class with a field that has a inList constraints, I want to load constraints list from a property defined in Config.groovy file

This is the class

class User {
  String email
  String department

  static constraints = {
    email unique:true
    department inList:["ABC", "DEF", "EGF", "ETC"]
  }
}

and config property

app.departments = ["ABC", "DEF", "EGF", "ETC"]

i would like to load my inList constraints values from config.groovy property is this possible?

thanks

解决方案

Holders can be used in this case.

import grails.util.Holders

class User {
  String email
  String department

  static constraints = {
    email unique:true
    department inList: Holders.config.app.departments
  }
}

//config
app.departments = ["ABC", "DEF", "EGF", "ETC"]

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