public static string Pager <T>(this HtmlHelper html, PagedList <T> data)
{
int start = (data.PageIndex - 5) >= 1 ? (data.PageIndex - 5) : 1;
int end = (data.TotalPages - start) > 10 ? start + 10 : data.TotalPages;
RouteValueDictionary vs = html.ViewContext.RouteData.Values;
var queryString = html.ViewContext.HttpContext.Request.QueryString;
foreach (string key in queryString.Keys)
{
//if (queryString[key] != null && !string.IsNullOrEmpty(key))
vs[key] = queryString[key];
}
var FormString = html.ViewContext.HttpContext.Request.Form;
foreach (string key in FormString.Keys)
{
vs[key] = FormString[key];
}
var builder = new StringBuilder();
builder.AppendFormat("<div class=\"mvc_pager\">");
if (data.HasPreviousPage)
{
vs["pageIndex"] = 1;
builder.Append(LinkExtensions.ActionLink(html, "首页", vs["action"].ToString(), vs));
vs["pageIndex"] = data.PageIndex - 1;
builder.Append(LinkExtensions.ActionLink(html, "上页", vs["action"].ToString(), vs));
}
for (int i = start; i <= end; i++) //前后各显示5个数字页码
{
vs["pageIndex"] = i;
if (i == data.PageIndex)
{
builder.Append("<font class='thispagethis'>" + i.ToString() + "</font>");
}
else
{
builder.Append(LinkExtensions.ActionLink(html, i.ToString(), vs["action"].ToString(), vs));
}
}
if (data.HasNextPage)
{
vs["pageIndex"] = data.PageIndex + 1;
builder.Append(LinkExtensions.ActionLink(html, "下页", vs["action"].ToString(), vs));
vs["pageIndex"] = data.TotalPages;
builder.Append(LinkExtensions.ActionLink(html, "末页", vs["action"].ToString(), vs));
}
builder.Append("共" + data.TotalCount + "条 第" + data.PageIndex + "页/共" + data.TotalPages + "页 </div>");
return(builder.ToString());
}
public static string Pager <T>(this HtmlHelper html, PagedList <T> data)
{
//数字导航的开始数字
int start = (data.PageIndex - 5) >= 1 ? (data.PageIndex - 5) : 1;
//数字导航的结束数字
int end = (data.TotalPages - start) > 10 ? start + 10 : data.TotalPages;
//路由数据
RouteValueDictionary vs = html.ViewContext.RouteData.Values;
//URL数据
var queryString = html.ViewContext.HttpContext.Request.QueryString;
//合并URL数据
foreach (string key in queryString.Keys)
{
if (queryString[key] != null && !string.IsNullOrEmpty(key))
{
vs[key] = queryString[key];
}
}
//合并表单数据
var FormString = html.ViewContext.HttpContext.Request.Form;
foreach (string key in FormString.Keys)
{
vs[key] = FormString[key];
}
//输出分页Html
var builder = new StringBuilder();
builder.AppendFormat("<div class=\"pager\"><ul>");
//显示首页和上页
if (data.HasPreviousPage)
{
vs["pageIndex"] = 1;
builder.Append("<li>" + LinkExtensions.ActionLink(html, "首页", vs["action"].ToString(), vs) + "</li>");
vs["pageIndex"] = data.PageIndex - 1;
builder.Append("<li>" + LinkExtensions.ActionLink(html, "上页", vs["action"].ToString(), vs) + "</li>");
}
//显示数字页码
for (int i = start; i <= end; i++)
{
vs["pageIndex"] = i;
if (i == data.PageIndex)
{
builder.Append("<li><a class='current'>" + i.ToString() + "</a></li>");
}
else
{
builder.Append("<li>" + LinkExtensions.ActionLink(html, i.ToString(), vs["action"].ToString(), vs) + "</li>");
}
}
//显示下页和末页
if (data.HasNextPage)
{
vs["pageIndex"] = data.PageIndex + 1;
builder.Append("<li>" + LinkExtensions.ActionLink(html, "下页", vs["action"].ToString(), vs) + "</li>");
vs["pageIndex"] = data.TotalPages;
builder.Append("<li>" + LinkExtensions.ActionLink(html, "末页", vs["action"].ToString(), vs) + "</li>");
}
builder.Append("<li>共" + data.TotalCount + "条 第" + data.PageIndex + "页/共" + data.TotalPages + "页</li> </ul></div>");
return(builder.ToString());
}
/// <summary>
/// HtmlHelper类的分页导航条扩展方法
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="html"></param>
/// <param name="data">数据</param>
/// <returns>HTML元素</returns>
public static MvcHtmlString Pager <T>(this HtmlHelper html, PagedList <T> data)
{
//起始数字
int start = data.PageIndex - 5 >= 1 ? data.PageIndex - 5 : 1;
//结束数字
int end = data.TotalPages - start > 10 ? start + 10 : data.TotalPages;
//路由数据
RouteValueDictionary rvs = html.ViewContext.RouteData.Values;
//url数据
var querystring = html.ViewContext.HttpContext.Request.QueryString;
//合并url数据
foreach (string key in querystring.Keys)
{
if (querystring[key] != null && !string.IsNullOrEmpty(key))
{
rvs[key] = querystring[key];
}
}
//合并form数据
var forms = html.ViewContext.HttpContext.Request.Form;
foreach (string key in forms.Keys)
{
rvs[key] = forms[key];
}
//拼装分页html
StringBuilder builder = new StringBuilder();
//显示首页和上一页
if (data.HasPreviousPage)
{
rvs["pageIndex"] = 1;
builder.Append(LinkExtensions.ActionLink(html, "首页", rvs["action"].ToString(), rvs));
rvs["pageIndex"] = data.PageIndex - 1;
builder.Append(LinkExtensions.ActionLink(html, "上一页", rvs["action"].ToString(), rvs));
}
//显示数字页码
for (int i = start; i <= end; i++)
{
rvs["pageIndex"] = i;
if (i == data.PageIndex)
{
builder.AppendFormat("<font>{0}</font>", i);
}
else
{
builder.Append(LinkExtensions.ActionLink(html, i.ToString(), rvs["action"].ToString(), rvs));
}
}
//显示下一页和尾页
if (data.HasNextPage)
{
rvs["pageIndex"] = data.PageIndex + 1;
builder.Append(LinkExtensions.ActionLink(html, "下一页", rvs["action"].ToString(), rvs));
rvs["pageIndex"] = data.TotalPages;
builder.Append(LinkExtensions.ActionLink(html, "尾页", rvs["action"].ToString(), rvs));
}
//显示页码信息
builder.AppendFormat("第{0}页/共{1}页", data.PageIndex, data.TotalPages);
return(new MvcHtmlString(builder.ToString()));
}
public static MvcHtmlString ActionLink <TActionResult>(this HtmlHelper htmlHelper, string linkText, Task <TActionResult> taskResult, IDictionary <string, object> htmlAttributes, string protocol, string hostName, string fragment) where TActionResult : ActionResult
{
return(LinkExtensions.RouteLink(htmlHelper, linkText, (string)null, protocol ?? T4Extensions.GetT4MVCResult(taskResult.Result).Protocol, hostName, fragment, T4Extensions.GetRouteValueDictionary(taskResult.Result), htmlAttributes));
}
