问题描述
我的模型如下所示:
public class Meeting : IValidatableObject
{
public string Id { get; set; }
[required]
public string Start_time { get; set; }
[required]
public string End_time { get; set; }
[required]
public DateTime Date { get; set; }
[required]
[Url]
public string Url { get; set; }
[required]
[RegularExpression(@"^[(a-zA-Z)' '(a-zA-Z)]*$",ErrorMessage = "Characters are not allowed.")]
public string Owner { get; set; }
[required]
[RegularExpression(@"^[(a-zA-Z)' '(a-zA-Z)]*$",ErrorMessage = "Characters are not allowed.")]
public string Participant { get; set; }
public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
{
List<ValidationResult> results = new List<ValidationResult>();
DateTime dt,dt1;
if(DateTime.TryParse(Start_time,out dt) == false)
{
results.Add(new ValidationResult("Start time wrong",new[] { "Start time" }));
}
if (DateTime.TryParse(End_time,out dt1) == false)
{
results.Add(new ValidationResult("End time wrong",new[] { "End time" }));
}
if (string.Compare(Start_time,End_time) == 1)
{
results.Add(new ValidationResult("Time Conflict",new[] { "Time" }));
}
return results;
}
}
而且我不知道如何从模型本身和 IEnumerable<ValidationResult> Validate
方法中获取 JSON 中的所有错误
我的 POST 方法有这个实现:
[HttpPost]
public IActionResult Create([FromBody] Meeting meet)
{
if (ModelState.IsValid)
{
Guid obj = Guid.NewGuid();
meet.Id = obj.ToString();
_dataAccessprovider.AddMeetingRecord(meet);
return Ok("Meeting was successfully added");
}
return BadRequest(ModelState);
}
我尝试使用 IEnumerable allErrors = ModelState.Values.SelectMany(v => v.Errors);并在 BadRequest 中返回 allErrors 但它不起作用
解决方法
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