grails g：选择i18n [英] grails g:select i18n

问题描述

我有一个国家域名模式

  class Country {
 String countryCode // maybe EN，DE，CH ... 
} 
  

现在我想在里面翻译一下。我阅读了文档（和google）使用id可以从翻译消息属性文件中选择它。例如：

  country.code.1 =美国
 country.code.2 =英格兰
国家.code.3 =德国
  

但这不是我想要的。我想要这样的东西：

  country.code.US = America 
 country.code.EN = England 
 country.code.DE =德国
  

所以，我从stackoverflow发现了一个可能的解决方案： a href =https://stackoverflow.com/questions/6948644/translate-a-html-select-element-in-grails>翻译Grails中的HTML select元素
这意味着我必须这样做：

 < g：select name =country
 from = $ {allCountries}
 value =$ {country}
 optionKey =id
 optionValue =$ {{countryCode-> g.message（code：'country.code 。'+ countryCode）}}/> 
  

但是我的结果在下拉菜单中：country.code.grails.Country：1（和如果我将gsp-g：select实现的最后一行更改为：

pre $ [...] optionValue =$ {{countryCode-> g.message（code：'country.code.US'）}


你看到硬编码了！而且这个工程：-D

并可以帮助我，非常感谢你！

解决方案

有$ 3 $的可能性：

1. 使用 contryCode 而不是 id ：

    < g：select name =contryByCountryCode
    from =$ { countryCodes} 
    valueMessagePrefix = com.yourcompany/> 
     

   会产生：

    <选择名称= contryByCountryCode ID = contryByCountryCode > 
   将选项value =US>美国< option> 
    ... 
   < / select> 
     

   如果您配置了正确的信息。在后台，你需要做的是这样的：

     DEF国家= Country.findByCountryCode（params.contryByCountryCode）
     




2. 手动操作：
   

    < select name =contryByCountryCodeid =contryByCountryCode> 
    < option value =$ {country.id}> 
    $ {message（code：prefix+ country.countryCode）} 
   < option> 
   < / g：每个> 
   < / select> 
     




3. 补丁 g：select to在 optionValue 和 messagePrefix 的情况下工作; - ）

I just read a lot and googled but I'm frustrated right now.

I have a Country domain model

class Country{
   String countryCode //maybe EN, DE, CH...
}

Now I want a translation inside the . I read in the documentation (and with google) that it is possible with the "id" to select it from the translation message property files. Something like:

country.code.1=America
country.code.2=England
country.code.3=Germany

But this is not what I want. I want to have something like:

country.code.US=America
country.code.EN=England
country.code.DE=Germany

So, I found a possible solution from stackoverflow: translate a HTML select element in Grails that would mean for me I have to put it like this:

<g:select name="country"
          from="${allCountries}"
          value="${country}"
          optionKey="id"
          optionValue="${ {countryCode->g.message(code:'country.code.'+countryCode)}  }"/>

But my result is inside the dropdown: "country.code.grails.Country : 1" (and so on for each country)

If I change the last line of the gsp-g:select implementation to:

[...]optionValue="${ {countryCode->g.message(code:'country.code.US')}

as you see hardcoded! And THIS works :-D

Hope you got me and can help me, thank you very much!

解决方案

There are 3 possibilities:

1. Instead of sending the id to the controller, use the contryCode instead of id:

   <g:select name="contryByCountryCode" 
       from="${countryCodes}" 
       valueMessagePrefix="com.yourcompany"/>
   

   Will produce:

   <select name="contryByCountryCode" id="contryByCountryCode" >
       <option value="US">United States<option>
       ...
   </select>
   

   If you have proper messages configured. In the backend you need to do something like:

   def country = Country.findByCountryCode(params.contryByCountryCode)
   

2. Do it manually:

   <select name="contryByCountryCode" id="contryByCountryCode" >
       <g:each in="${countryCodes}" var="country">
       <option value="${country.id}">
           ${message(code:"prefix" + country.countryCode)}
       <option>
       </g:each>
   </select>
   

3. Patch g:select to work in case optionValue and messagePrefix is defined ;-)

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