public AjaxResult(System.Web.Mvc.ModelStateDictionary modelState, int id)
{
Result = modelState.IsValid;
ErrorId = id;
Errors = modelState.Where(kvp => kvp.Value.Errors.Count > 0).ToDictionary(kvp => kvp.Key, kvp => kvp.Value.Errors.Select(e => e.ErrorMessage).ToArray()).ToArray();
}
public AjaxResult(System.Web.Mvc.ModelStateDictionary modelState, int id, string customErrorMessage)
{
Result = false;
CustomErrorMessage = customErrorMessage;
ErrorId = id;
Errors = modelState.Where(kvp => kvp.Value.Errors.Count > 0).ToDictionary(kvp => kvp.Key, kvp => kvp.Value.Errors.Select(e => e.ErrorMessage).ToArray()).ToArray();
}
public static bool CheckIfHasErrorsFor <TModel>(this System.Web.Mvc.ModelStateDictionary modelState,
Expression <Func <TModel, object> > expression)
{
string expressionText = Helpers.GetExpressionText(expression);
return(!string.IsNullOrEmpty(expressionText) &&
modelState.Where(item => item.Key.StartsWith(expressionText))
.Any(item => item.Value.Errors.Count != 0));
}
public static void ClearErrorsFor <TModel>(this System.Web.Mvc.ModelStateDictionary modelState, Expression <Func <TModel, object> > modelExpression)
{
string expressionText = Helpers.GetExpressionText(modelExpression);
if (!string.IsNullOrEmpty(expressionText))
{
modelState.Where(item => item.Key.Contains(expressionText))
.ToList()
.ForEach(item => item.Value.Errors.Clear());
}
}
public static void ClearErrorsFor <TModel, TException>(this System.Web.Mvc.ModelStateDictionary modelState, Expression <Func <TModel, object> > modelExpression)
{
string expressionText = Helpers.GetExpressionText(modelExpression);
if (!string.IsNullOrEmpty(expressionText))
{
modelState.Where(item => item.Key.Contains(expressionText))
.ToList()
.ForEach(item => item.Value.Errors.Where(e => e.Exception != null && e.Exception.GetType() == typeof(TException))
.ToList()
.ForEach(e => item.Value.Errors.Remove(e)));
}
}
/// <summary>
/// MVC form validation messages for Angular
/// </summary>
/// <param name="modelState"></param>
/// <returns></returns>
public static IEnumerable <FormResponseFieldErrors> GetErrors(this System.Web.Mvc.ModelStateDictionary modelState)
{
List <FormResponseFieldErrors> errors = new List <FormResponseFieldErrors>();
foreach (var fieldErrors in modelState.Where(x => x.Value.Errors.Any()).Select(x => new { x.Key, x.Value.Errors }))
{
errors.Add(
new FormResponseFieldErrors()
{
Field = fieldErrors.Key,
ErrorMessages = fieldErrors.Errors.Select(x => x.ErrorMessage)
});
}
return(errors);
}
/// <summary>
/// 获取所有的错误的验证信息
/// </summary>
/// <param name="modelState"></param>
/// <returns></returns>
public static IEnumerable <InputError> AllModelStateErrors(this System.Web.Mvc.ModelStateDictionary modelState)
{
var result = new List <InputError>();
//找到出错的字段以及出错信息
var errorFieldsAndMsgs = modelState.Where(m => m.Value.Errors.Any())
.Select(x => new { x.Key, x.Value.Errors });
foreach (var item in errorFieldsAndMsgs)
{
//获取键
var fieldKey = item.Key;
//获取键对应的错误信息
var fieldErrors = item.Errors
.Select(e => new InputError(fieldKey, e.ErrorMessage));
result.AddRange(fieldErrors);
}
return(result);
}
public static bool CheckIfHasErrorsFor(this System.Web.Mvc.ModelStateDictionary modelState, string expressionText)
{
return((!modelState.IsValid || !string.IsNullOrEmpty(expressionText)) &&
modelState.Where(item => item.Key.StartsWith(expressionText))
.Any(item => item.Value.Errors.Count != 0));
}