ASP.NET CORE基础教程_基础应用_

 public class TestController : Controller { } [Controller] public class Test : Controller { }

 public IActionResult Hello() { // Query var name = Request.Query["name"]; // QueryString var query = Request.QueryString.Value; // Form var username = Request.Form["username"]; // Cookies var cookie = Request.Cookies["item"]; // Headers var headers = Request.Headers["salt"]; return Content("Hello"); }

 public IActionResult Hello() { // byte[] HttpContext.Session.Set("byte", new byte[] { 1, 2, 3, 4, 5 }); var bytes = HttpContext.Session.Get("byte"); // string HttpContext.Session.SetString("name", "tom"); var name = HttpContext.Session.GetString("name"); // int HttpContext.Session.SetInt32("id", 20); var id = HttpContext.Session.GetInt32("id"); HttpContext.Session.Remove("name"); HttpContext.Session.Clear(); return Content("Hello"); }

 public IActionResult Hello(RequestModel request,int? age) { // 查询字符串 var test = Request.Query["test"]; // 简单类型 var userAge = age; // 自定义类型 var name = request.Name; return Content("Hello"); } public class RequestModel { public string Name { get; set; } }

 /// 
 /// 拍卖师控制类 /// 
 [NonController] public class AuctionController { }

 public IActionResult Say( [FromForm]string name, [FromQuery]int age, [FromHeader] string salt, [FromBody] string content ) { return View(); }

 [Controller] public class Test : Controller { private readonly IMemoryCache _cache; public Test(IMemoryCache memoryCache) { this._cache = memoryCache; } public IActionResult ReadCache() { _cache.Set("name","tom"); _cache.Get("name"); _cache.Set("age",30); _cache.Get("age"); User tom = new User(){ Name = "admin",Pwd = "123456"}; _cache.Set("user",tom); _cache.Get("user"); return Content("ok"); } } public class User { public string Name { get; set; } public string Pwd { get; set; } }

 public abstract class ValidationAttribute : Attribute { /// 
Initializes a new instance of the  class.
 protected ValidationAttribute(); /// 
Initializes a new instance of the  class by using the function that enables access to validation resources.
 /// The function that enables access to validation resources. /// errorMessageAccessor is null. protected ValidationAttribute(Func errorMessageAccessor); /// 
Initializes a new instance of the  class by using the error message to associate with a validation control.
 /// The error message to associate with a validation control. protected ValidationAttribute(string errorMessage); /// 
Gets or sets an error message to associate with a validation control if validation fails.
 /// The error message that is associated with the validation control. public string ErrorMessage { get; set; } /// 
Gets or sets the error message resource name to use in order to look up the  property value if validation fails.
 /// The error message resource that is associated with a validation control. public string ErrorMessageResourceName { get; set; } /// 
Gets or sets the resource type to use for error-message lookup if validation fails.
 /// The type of error message that is associated with a validation control. public Type ErrorMessageResourceType { get; set; } /// 
Gets the localized validation error message.
 /// The localized validation error message. protected string ErrorMessageString { get; } /// 
Gets a value that indicates whether the attribute requires validation context.
 /// true if the attribute requires validation context; otherwise, false. public virtual bool RequiresValidationContext { get; } /// 
Applies formatting to an error message, based on the data field where the error occurred.
 /// The name to include in the formatted message. /// An instance of the formatted error message. public virtual string FormatErrorMessage(string name); /// 
Checks whether the specified value is valid with respect to the current validation attribute.
 /// The value to validate. /// The context information about the validation operation. /// An instance of the  class. public ValidationResult GetValidationResult( object value, ValidationContext validationContext); /// 
Determines whether the specified value of the object is valid.
 /// The value of the object to validate. /// true if the specified value is valid; otherwise, false. public virtual bool IsValid(object value); /// 
Validates the specified value with respect to the current validation attribute.
 /// The value to validate. /// The context information about the validation operation. /// An instance of the  class. protected virtual Vali
                
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