Route.ProcessConstraint 方法
定义
重要
一些信息与预发行产品相关,相应产品在发行之前可能会进行重大修改。 对于此处提供的信息,Microsoft 不作任何明示或暗示的担保。
确定参数值是否与该参数的约束匹配。
protected:
virtual bool ProcessConstraint(System::Web::HttpContextBase ^ httpContext, System::Object ^ constraint, System::String ^ parameterName, System::Web::Routing::RouteValueDictionary ^ values, System::Web::Routing::RouteDirection routeDirection);
protected virtual bool ProcessConstraint (System.Web.HttpContextBase httpContext, object constraint, string parameterName, System.Web.Routing.RouteValueDictionary values, System.Web.Routing.RouteDirection routeDirection);
abstract member ProcessConstraint : System.Web.HttpContextBase * obj * string * System.Web.Routing.RouteValueDictionary * System.Web.Routing.RouteDirection -> bool
override this.ProcessConstraint : System.Web.HttpContextBase * obj * string * System.Web.Routing.RouteValueDictionary * System.Web.Routing.RouteDirection -> bool
Protected Overridable Function ProcessConstraint (httpContext As HttpContextBase, constraint As Object, parameterName As String, values As RouteValueDictionary, routeDirection As RouteDirection) As Boolean
参数
- httpContext
- HttpContextBase
一个对象,该对象封装有关 HTTP 请求的信息。
- constraint
- Object
用于测试 parameterName
的正则表达式或对象。
- parameterName
- String
要测试的参数的名称。
- values
- RouteValueDictionary
要测试的值。
- routeDirection
- RouteDirection
一个指定 URL 路由是否处理传入请求或构造 URL 的值。
返回
如果参数值与约束匹配,则为 true
;否则为 false
。
例外
constraint
不是包含正则表达式的字符串。