首页 > 解决方案 > 通过 AJAX 发送表单并通过 fluentValidation 进行验证

问题描述

我想通过 AJAX 发送表单并通过 mvc 核心中的 fluentValidation 进行验证。请指导我

标签: asp.net-coreunobtrusive-validationfluentvalidation

解决方案


这是一个工作演示,您可以参考:

  • FluentValidation.AspNetCore通过安装适当的 NuGet 包来添加对程序集的引用:

    Install-Package FluentValidation.AspNetCore
    
  • AddFluentValidation通过在方法内调用扩展方法在应用程序的 Startup 类中配置 FluentValidation ConfigureServices,并使用该AddFromAssemblyContaining方法自动注册特定程序集中的所有验证器

    services.AddMvc()
                .AddFluentValidation(fv => {
                    fv.RegisterValidatorsFromAssemblyContaining<PersonValidator>();
    
                    //If you want to disable this behaviour so that FluentValidation is the only validation library that executes,
                    //you can set the RunDefaultMvcValidationAfterFluentValidationExecutes to false in your application startup routine
                    fv.RunDefaultMvcValidationAfterFluentValidationExecutes = false;
                })
                .SetCompatibilityVersion(CompatibilityVersion.Version_2_2);
    
  • 假设PersonValidator定义为验证一个名为Person

    public class Person
    {
       public int Id { get; set; }
       public string Name { get; set; }
       public string Email { get; set; }
       public int Age { get; set; }
    }
    
    public class PersonValidator : AbstractValidator<Person>
    {
       public PersonValidator()
      {
        RuleFor(x => x.Id).NotNull();
        RuleFor(x => x.Name).Length(0, 10);
        RuleFor(x => x.Email).EmailAddress();
        RuleFor(x => x.Age).InclusiveBetween(18, 60);
      }
    }
    
  • 控制器

    [HttpPost]
    public async Task<IActionResult> CreatPerson(Person person)
    {
        if (!ModelState.IsValid)
        { // re-render the view when validation failed.
            return BadRequest();
        }
    
        //Save the person to the database, or some other logic
    
        _context.Add(person);
        await _context.SaveChangesAsync();
        var message = "Person successfully created";
        return Ok(message);
    }
    
  • 查看和相关的jQuery

    @model TestExample.Models.Person
    <hr />
    <div class="row">
       <div class="col-md-4">
          <form  id="formdata">
               <div asp-validation-summary="ModelOnly" class="text-danger"></div>
               <div class="form-group">
                  <label asp-for="Name" class="control-label"></label>
                  <input asp-for="Name" class="form-control" />
                  <span asp-validation-for="Name" class="text-danger"></span>
               </div>
               <div class="form-group">
                  <label asp-for="Email" class="control-label"></label>
                  <input asp-for="Email" class="form-control" />
                  <span asp-validation-for="Email" class="text-danger"></span>
               </div>
               <div class="form-group">
                  <label asp-for="Age" class="control-label"></label>
                  <input asp-for="Age" class="form-control" />
                  <span asp-validation-for="Age" class="text-danger"></span>
               </div>
               <div class="form-group">
                  <input type="submit" value="Create" class="btn btn-primary" />
               </div>
         </form>
     </div>
    

    @section Scripts {
       @{await Html.RenderPartialAsync("_ValidationScriptsPartial");}
    
       <script>
            $("#formdata").submit(function (e) {
               e.preventDefault();
               var form = $(this);
               $.ajax(
               {
                  type: "post",
                  url: "/people/CreatPerson",
                  data: form.serialize(),
                  success: function (data) { alert(data); },
                  error: function (data) { alert(data); }
                });
            });
       </script>
    }
    

    有关 FluentValidation 的更多详细信息,您可以参考https://fluentvalidation.net/aspnet


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