MVC设置二级域名
1. MVC项目中,常用到二级域名,处理方法
1. 添加 Route 辅助类
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public class DomainRoute : Route { private Regex domainRegex; private Regex pathRegex; public string Domain { get; set; } public DomainRoute(string domain, string url, RouteValueDictionary defaults) : base(url, defaults, new MvcRouteHandler()) { Domain = domain; } // public static Route MapRoute(this RouteCollection routes, string name, string url, object defaults, object constraints); public DomainRoute(string domain, string url, RouteValueDictionary defaults, IRouteHandler routeHandler) : base(url, defaults, routeHandler) { Domain = domain; } //public Route(string url, RouteValueDictionary defaults, RouteValueDictionary constraints, IRouteHandler routeHandler); public DomainRoute(string domain, string url, object defaults) : base(url, new RouteValueDictionary(defaults), new MvcRouteHandler()) { Domain = domain; } public DomainRoute(string domain, string url, object defaults, IRouteHandler routeHandler) : base(url, new RouteValueDictionary(defaults), routeHandler) { Domain = domain; } public DomainRoute(string domain, string url, object defaults, object constraints, object dataTokens, IRouteHandler routeHandler) : base(url, new RouteValueDictionary(defaults), new RouteValueDictionary(constraints),new RouteValueDictionary(dataTokens), routeHandler) { Domain = domain; } public override RouteData GetRouteData(HttpContextBase httpContext) { // 构造 regex domainRegex = CreateRegex(Domain); pathRegex = CreateRegex(Url); // 请求信息 string requestDomain = httpContext.Request.Headers["host"]; if (!string.IsNullOrEmpty(requestDomain)) { if (requestDomain.IndexOf(":") > 0) { requestDomain = requestDomain.Substring(0, requestDomain.IndexOf(":")); } } else { requestDomain = httpContext.Request.Url.Host; } string requestPath = httpContext.Request.AppRelativeCurrentExecutionFilePath.Substring(2) + httpContext.Request.PathInfo; // 匹配域名和路由 Match domainMatch = domainRegex.Match(requestDomain); Match pathMatch = pathRegex.Match(requestPath); // 路由数据 RouteData data = null; if (domainMatch.Success && pathMatch.Success) { data = new RouteData(this, RouteHandler); // 添加默认选项 if (Defaults != null) { foreach (KeyValuePair<string, object> item in Defaults) { data.Values[item.Key] = item.Value; if (item.Key.Equals("area") || item.Key.Equals("Namespaces")) { data.DataTokens[item.Key] = item.Value; } } } // 匹配域名 for (int i = 1; i < domainMatch.Groups.Count; i++) { Group group = domainMatch.Groups[i]; if (group.Success) { string key = domainRegex.GroupNameFromNumber(i); if (!string.IsNullOrEmpty(key) && !char.IsNumber(key, 0)) { if (!string.IsNullOrEmpty(group.Value)) { data.Values[key] = group.Value; if (key.Equals("area")) { data.DataTokens[key] = group.Value; } } } } } // 匹配路径 for (int i = 1; i < pathMatch.Groups.Count; i++) { Group group = pathMatch.Groups[i]; if (group.Success) { string key = pathRegex.GroupNameFromNumber(i); if (!string.IsNullOrEmpty(key) && !char.IsNumber(key, 0)) { if (!string.IsNullOrEmpty(group.Value)) { data.Values[key] = group.Value; if (key.Equals("area")) { data.DataTokens[key] = group.Value; } } } } } } return data; } public override VirtualPathData GetVirtualPath(RequestContext requestContext, RouteValueDictionary values) { return base.GetVirtualPath(requestContext, RemoveDomainTokens(values)); } public DomainData GetDomainData(RequestContext requestContext, RouteValueDictionary values) { // 获得主机名 string hostname = Domain; foreach (KeyValuePair<string, object> pair in values) { if (pair.Key == "area" && string.IsNullOrEmpty(pair.Value.ToString())) { hostname = hostname.Replace("{" + pair.Key + "}", "www"); } else { hostname = hostname.Replace("{" + pair.Key + "}", pair.Value.ToString()); } } //如果域名的area还没有被替换,说明路由数据里没有area,恢复为顶级域名 if (hostname.Contains("{area}")) { hostname = hostname.Replace("{area}", "www"); } RemoveDomainTokens(values); // Return 域名数据 return new DomainData { Protocol = "http", HostName = hostname, Fragment = "" }; } private Regex CreateRegex(string source) { // 替换 source = source.Replace("/", @"\/?"); source = source.Replace(".", @"\.?"); source = source.Replace("-", @"\-?"); source = source.Replace("{", @"(?<"); source = source.Replace("}", @">([a-zA-Z0-9_]*))"); return new Regex("^" + source + "$"); } private RouteValueDictionary RemoveDomainTokens(RouteValueDictionary values) { Regex tokenRegex = new Regex(@"({[a-zA-Z0-9_]*})*-?\.?\/?({[a-zA-Z0-9_]*})*-?\.?\/?({[a-zA-Z0-9_]*})*-?\.?\/?({[a-zA-Z0-9_]*})*-?\.?\/?({[a-zA-Z0-9_]*})*-?\.?\/?({[a-zA-Z0-9_]*})*-?\.?\/?({[a-zA-Z0-9_]*})*-?\.?\/?({[a-zA-Z0-9_]*})*-?\.?\/?({[a-zA-Z0-9_]*})*-?\.?\/?({[a-zA-Z0-9_]*})*-?\.?\/?({[a-zA-Z0-9_]*})*-?\.?\/?({[a-zA-Z0-9_]*})*-?\.?\/?"); Match tokenMatch = tokenRegex.Match(Domain); for (int i = 0; i < tokenMatch.Groups.Count; i++) { Group group = tokenMatch.Groups[i]; if (group.Success) { string key = group.Value.Replace("{", "").Replace("}", ""); if (values.ContainsKey(key)) values.Remove(key); } } return values; } }
2. Route.Config中添加路由
//此处domain为 域名
routes.Add("shangwu", new DomainRoute(
string.Format("second{0}", domain),
"{controller}/{action}/{categroy}",
new { area = "", controller = "Home", action = "Country", categroy = "second" }));