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我的代码显示错误的验证:如何不清除输入的输入用于验证输入的URL值将如下
try{
urls.eachWithIndex { u, i ->
String countryCode = u.key;
String url = urls["${u.key}"]
if(url != ""){
Boolean valid = helperService.isURLValid(url)
if(valid == false){
this.errors.reject("Incorrect URL is entered for "+countries.get(countryCode)+" - please ensure to use a correct URL for More Games.")
return [];
// assert false
// params.gamesUrls = url
}
}
}
}catch (Exception ex) {
logger.warn("Incorrect URL is entered", ex)
return [];
}
当URL验证失败时所输入的值将被清除。
如何显示错误,但不清除输入的输入(试图返回[],但是是没有用的)
这里是GSP代码...
<g:form action="wizard">
<table>
<g:each in="${countries}" status="i" var="country">
<tr class="${(i % 2) == 0 ? 'odd' : 'even'}">
<td><img border="0" src="/wizard/image/flags/${country.key}" alt="" /> <label for="gamesUrls.${country.key}">${country.value}</label></td>
<td><g:textField name="gamesUrls.${country.key}" style="width:350px" value="${moreGamesUrls.get(country.key)}" onchange="\$(this).addClassName('changed');" maxlength="255"/></td>
<td><input type="button" value="Revert" onClick="revertTextValue('gamesUrls.${country.key}')" /></td>
</tr>
</g:each>
</table>
<g:submitButton name="back" value="Back" /> <g:submitButton name="next" value="Confirm" />
这是在grails?什么叫这个代码?我以前没看过这个问题吗? –
是的,这是在grails中,这段代码将在groovy命令的后期执行,并将错误返回到grails – Techie
http://meta.stackexchange.com/a/5235/156393 –