什么是后缀.RequiredError,.FormatError等的目的
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13-09-2019 - |
题
读Oxite源代码,我已经发现,验证保存坏属性名与某些后缀(RequiredError,MaxLengthExceededError,InvalidError,FormatError)
validationState.Errors.Add(CreateValidationError(user.Name, "Name.RequiredError", "Name is not set"));
validationState.Errors.Add(CreateValidationError(user.Name, "Name.MaxLengthExceededError", "Username must be less than or equal to {0} characters long.", 256));
validationState.Errors.Add(CreateValidationError(user.Email, "Email.InvalidError", "Email is invalid."));
什么是它的后缀的目的是什么?他们是如何使用的?
解决方案
我的猜测是,他们可以用来唯一标识错误,可以用来为您的全球化的网站抓取的本地化资源不变,机器友好的值。
我是一个好猜测器:
protected ValidationError CreateValidationError(
object value, string validationKey, string validationMessage,
params object[] validationMessageParameters)
{
if (validationMessageParameters != null &&
validationMessageParameters.Length > 0)
{
validationMessage = string.Format(
validationMessage, validationMessageParameters);
}
return new ValidationError(
validationKey,
value,
new InvalidOperationException(
localize(validationKey, validationMessage))
);
}
private string localize(string key, string defaultValue)
{
if (phrases == null)
phrases = localizationService.GetTranslations();
Phrase foundPhrase = phrases
.Where(p => p.Key == key && p.Language == site.LanguageDefault)
.FirstOrDefault();
if (foundPhrase != null)
return foundPhrase.Value;
return defaultValue;
}
好奇,虽然。由于异常通常不应该被本地化。
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