private static string GenerateLinkInternal(RequestContext requestContext, RouteCollection routeCollection, string linkText, string routeName, string actionName, string controllerName, string protocol, string hostName, string fragment, RouteValueDictionary routeValues, IDictionary <string, object> htmlAttributes, bool includeImplicitMvcValues)
{
string url = UrlHelper.GenerateUrl(routeName, actionName, controllerName, protocol, hostName, fragment, routeValues, routeCollection, requestContext, includeImplicitMvcValues);
TagBuilder tagBuilder = new TagBuilder("a")
{
InnerHtml = (!String.IsNullOrEmpty(linkText)) ? HttpUtility.HtmlEncode(linkText) : String.Empty
};
tagBuilder.MergeAttributes(htmlAttributes);
tagBuilder.MergeAttribute("href", url);
return(tagBuilder.ToString(TagRenderMode.Normal));
}
public static MvcAnchor BeginActionLink(this AjaxHelper helper, string actionName, string controllerName, RouteValueDictionary routeValues, AjaxOptions ajaxOptions, RouteValueDictionary htmlAttributes)
{
var targetUrl = UrlHelper.GenerateUrl(null, actionName, controllerName, routeValues, helper.RouteCollection, helper.ViewContext.RequestContext, true);
var builder = new TagBuilder("a");
builder.MergeAttributes(htmlAttributes);
builder.MergeAttribute("href", targetUrl);
builder.MergeAttributes(ajaxOptions.ToUnobtrusiveHtmlAttributes());
helper.ViewContext.Writer.Write(builder.ToString(TagRenderMode.StartTag));
return(new MvcAnchor(helper.ViewContext));
}
public override void ExecuteResult(ControllerContext context)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
string destinationUrl = UrlHelper.GenerateUrl(RouteName, null /* actionName */, null /* controllerName */, RouteValues, Routes, context.RequestContext, false /* includeImplicitMvcValues */);
if (String.IsNullOrEmpty(destinationUrl))
{
throw new InvalidOperationException(MvcResources.ActionRedirectResult_NoRouteMatched);
}
context.HttpContext.Response.Redirect(destinationUrl, false /* endResponse */);
}
public override void ExecuteResult(ControllerContext context)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
if (context.IsChildAction)
{
throw new InvalidOperationException(
MvcResources.RedirectAction_CannotRedirectInChildAction
);
}
string destinationUrl = UrlHelper.GenerateUrl(
RouteName,
null /* actionName */
,
null /* controllerName */
,
RouteValues,
Routes,
context.RequestContext,
false /* includeImplicitMvcValues */
);
if (String.IsNullOrEmpty(destinationUrl))
{
throw new InvalidOperationException(MvcResources.Common_NoRouteMatched);
}
context.Controller.TempData.Keep();
if (Permanent)
{
context.HttpContext.Response.RedirectPermanent(destinationUrl, endResponse: false);
}
else
{
context.HttpContext.Response.Redirect(destinationUrl, endResponse: false);
}
}
/// <summary>
/// 生成分页链接Url
/// </summary>
/// <param name="htmlHelper">HtmlHelper</param>
/// <param name="page">页码</param>
/// <param name="options">配置</param>
/// <returns></returns>
internal static string GeneratePaginationUrl(this HtmlHelper htmlHelper, long page, BootstrapPagedButtonOptions options)
{
if (!htmlHelper.ViewContext.IsChildAction && htmlHelper.ViewContext.RouteData.Values.TryGetValue("page", out object pageIndexObj))
{
htmlHelper.ViewContext.RouteData.Values["page"] = page;
return(UrlHelper.GenerateUrl(options.RouteName, options.ActionName, options.ControllerName, htmlHelper.ViewContext.RouteData.Values, RouteTable.Routes, htmlHelper.ViewContext.RequestContext, false));
}
var currentUrl = htmlHelper.ViewContext.RequestContext.HttpContext.Server.HtmlEncode(htmlHelper.ViewContext.HttpContext.Request.RawUrl);
if (currentUrl.IndexOf("?") == -1)
{
return(string.Format("{0}?page={1}", currentUrl, page));
}
if (currentUrl.IndexOf("page=", StringComparison.InvariantCultureIgnoreCase) == -1)
{
return(string.Format("{0}&page={1}", currentUrl, page));
}
return(Regex.Replace(currentUrl, @"page=(\d+\.?\d*|\.\d+)", $"page={page}", RegexOptions.IgnoreCase | RegexOptions.Compiled));
}
/// <summary>
/// 输出AjaxForm表单
/// </summary>
/// <param name="htmlHelper">被扩展的htmlHelper实例</param>
/// <param name="routeName"></param>
/// <param name="routeValues"></param>
/// <param name="method">表单请求方式</param>
/// <param name="options">异步提交表单选项</param>
/// <param name="htmlAttributes">表单html属性集合</param>
/// <returns>MvcForm</returns>
public static MvcForm BeginAjaxRouteForm(this HtmlHelper htmlHelper, string routeName, RouteValueDictionary routeValues, FormMethod method, AjaxFormOptions options, IDictionary <string, object> htmlAttributes)
{
string formAction = UrlHelper.GenerateUrl(routeName, null /* actionName */, null /* controllerName */, routeValues ?? new RouteValueDictionary(), htmlHelper.RouteCollection, htmlHelper.ViewContext.RequestContext, false /* includeImplicitMvcValues */);
return(FormHelper(htmlHelper, formAction, method, options, htmlAttributes));
}
