public static MvcHtmlString AsiatekAjaxPager <T>(this AjaxHelper <T> ajaxHelper, AsiatekAjaxPagerOptions2 asiatekAjaxPagerOptions, IAsiatekPagedList pageList)
{
if (string.IsNullOrWhiteSpace(asiatekAjaxPagerOptions.SearchPageFieldName))
{
asiatekAjaxPagerOptions.SearchPageFieldName = "SearchPage";
}
//利用请求上下文对象创建url对象，用于分页超链接的创建
UrlHelper URL = new UrlHelper(ajaxHelper.ViewContext.RequestContext);
#region 配置路由参数值
//反射查询参数对象，将系统类型的属性值添加到路由参数值中，属性名是路由参数的key
//之所以这样做，是因为对于分页查询所需要的参数肯定都是简单类型
//比如视图采用模型StudentSetting，StudentSetting包含下拉列表Grades年级，以及对应的值GradeID
//对于我们的查询而言，需要的只是GradeID，而不是Grades下拉列表属性
var model = ajaxHelper.ViewData.Model;
Type type = model.GetType();
var props = type.GetProperties().Where(p => p.PropertyType.ToString().StartsWith("System.") && !p.PropertyType.IsGenericType);
RouteValueDictionary rvd = new RouteValueDictionary();
foreach (PropertyInfo p in props)
{
rvd.Add(p.Name, p.GetValue(model, null));
}
if (!rvd.ContainsKey(asiatekAjaxPagerOptions.SearchPageFieldName))
{
//允许自定义分页查询 当前页字段名 比如currentPage
//相当于往请求参数中附加了currentPage=1
rvd.Add(asiatekAjaxPagerOptions.SearchPageFieldName, 1);
}
else
{
rvd[asiatekAjaxPagerOptions.SearchPageFieldName] = 1;
}
//查询操作所属区域名
rvd.Add("area", asiatekAjaxPagerOptions.AreaName);
#endregion
int pageIndex = pageList.CurrentPageIndex; //当前页索引
int pageCount = pageList.TotalPageCount; //总页数
string voidStr = "javascript:void(0)";
TagBuilder asiatekPagerDiv = new TagBuilder("div");//最外层DIV
asiatekPagerDiv.GenerateId("asiatekPager");
TagBuilder asiatekPagerBackDiv = new TagBuilder("div");//第一页
asiatekPagerBackDiv.GenerateId("asiatekPagerBack");
TagBuilder backLink = new TagBuilder("a");
backLink.MergeAttribute("href", voidStr);
backLink.SetInnerText("||<");
backLink.AddCssClass("asiatekPagerDefault");
if (pageCount != 1)//只有当总页数不为1时，才需要为返回第一页的html标签设置地址
{
asiatekAjaxPagerOptions.Url = URL.Action(asiatekAjaxPagerOptions.ActionName, asiatekAjaxPagerOptions.ControllerName, rvd);
backLink.MergeAttributes(asiatekAjaxPagerOptions.ToUnobtrusiveHtmlAttributes());
}
asiatekPagerBackDiv.InnerHtml = backLink.ToString();
TagBuilder asiatekPagerFrontDiv = new TagBuilder("div");//末页
asiatekPagerFrontDiv.GenerateId("asiatekPagerFront");
TagBuilder frontLink = new TagBuilder("a");
frontLink.MergeAttribute("href", voidStr);
frontLink.SetInnerText(">||");
frontLink.AddCssClass("asiatekPagerDefault");
if (pageCount != 1)//只有当总页数不为1时，才需要为末页的html标签设置地址
{
rvd[asiatekAjaxPagerOptions.SearchPageFieldName] = pageCount;
asiatekAjaxPagerOptions.Url = URL.Action(asiatekAjaxPagerOptions.ActionName, asiatekAjaxPagerOptions.ControllerName, rvd);
frontLink.MergeAttributes(asiatekAjaxPagerOptions.ToUnobtrusiveHtmlAttributes());
}
asiatekPagerFrontDiv.InnerHtml = frontLink.ToString();
//内容（页选择）
TagBuilder asiatekPagerContentDiv = new TagBuilder("div");//页内容
asiatekPagerContentDiv.GenerateId("asiatekPagerContent");
for (int i = 1; i <= pageCount; i++)
{
TagBuilder numLink = new TagBuilder("a");
numLink.AddCssClass("asiatekPagerDefault");
numLink.MergeAttribute("href", voidStr);
if (i == pageIndex)//当前页添加 css
{
numLink.AddCssClass("asiatekPagerSelected");
}
if (pageCount != 1)//如果总页数超过1，那么才对 页链接创建非注入式脚本，否则不添加
{
rvd[asiatekAjaxPagerOptions.SearchPageFieldName] = i;
asiatekAjaxPagerOptions.Url = URL.Action(asiatekAjaxPagerOptions.ActionName, asiatekAjaxPagerOptions.ControllerName, rvd);
numLink.MergeAttributes(asiatekAjaxPagerOptions.ToUnobtrusiveHtmlAttributes());
}
numLink.SetInnerText(i.ToString());
asiatekPagerContentDiv.InnerHtml += numLink.ToString();
}
int contentWidth = 250; //页数内容容器默认宽度250px
int pagerWidth = 320; //整个分页导航总宽度默认320px
if (pageCount < 10) //最多同时显示10页，当少于10页时，动态计算整体宽度，每个页链接占用25px，第一页与末页链接各占用35px
{
contentWidth = pageCount * 25;
pagerWidth = 70 + contentWidth;
}
//设置容器宽度
asiatekPagerContentDiv.MergeAttribute("style", "width:" + contentWidth + "px;");
asiatekPagerDiv.MergeAttribute("style", "width:" + pagerWidth + "px;");
//合并全部HTML
asiatekPagerDiv.InnerHtml = asiatekPagerBackDiv.ToString() + asiatekPagerContentDiv.ToString() + asiatekPagerFrontDiv.ToString();
return(MvcHtmlString.Create(asiatekPagerDiv.ToString()));
}
/// <summary>
/// <para>生成Ajax分页导航</para>
/// </summary>
/// <typeparam name="T">包含分页数据与分页查询条件的类型</typeparam>
/// <param name="ajaxHelper"></param>
/// <param name="pageList">分页结果</param>
/// <param name="apo">Ajax分页选项</param>
/// <param name="apso">Ajax分页样式选项</param>
/// <returns></returns>
public static MvcHtmlString AsiatekAjaxPagerBootstrap <T>(this AjaxHelper <T> ajaxHelper, IAsiatekPagedList pageList, AjaxPagerOptions apo, AjaxPagerStyleOptions apso = null)
{
#region 配置路由参数值
//反射查询参数对象，将系统类型的属性值添加到路由参数值中，属性名是路由参数的key
//之所以这样做，是因为对于分页查询所需要的参数肯定都是简单类型
//比如视图采用模型StudentSetting，StudentSetting包含下拉列表Grades年级，以及对应的值GradeID
//对于我们的查询而言，需要的只是GradeID，而不是Grades下拉列表属性
var model = ajaxHelper.ViewData.Model;
Type type = model.GetType();
//必须使用Nullable.GetUnderlyingType获取可空类型的基础类型，否者如int？类型的IsGenericType是true，因为本质是Nullable<T>类型
var props = type.GetProperties().Where(p =>
{
Type safeType = Nullable.GetUnderlyingType(p.PropertyType) ?? p.PropertyType;
return(safeType.ToString().StartsWith("System.") && !safeType.IsGenericType);
});
RouteValueDictionary rvd = new RouteValueDictionary();
foreach (PropertyInfo p in props)
{
rvd.Add(p.Name, p.GetValue(model, null));
}
if (string.IsNullOrEmpty(apo.SearchPageFieldName))
{
apo.SearchPageFieldName = "SearchPage";
}
if (!rvd.ContainsKey(apo.SearchPageFieldName))
{
//允许自定义分页查询 当前页字段名
//相当于往请求参数中附加了SearchPage=1
rvd.Add(apo.SearchPageFieldName, 1);
}
else
{
rvd[apo.SearchPageFieldName] = 1;
}
//查询操作所属区域名
rvd.Add("area", apo.AreaName);
#endregion
return(CreateBootstrapPagerNav(pageList.CurrentPageIndex, pageList.TotalPageCount, apso, apo, ajaxHelper, rvd, null));
}
public static MvcHtmlString AsiatekAjaxPager(this AjaxHelper ajaxHelper, IAsiatekPagedList pageList, Func <int, AjaxOptions> pageAjaxOptions)
{
int pageIndex = pageList.CurrentPageIndex; //当前页索引
int pageCount = pageList.TotalPageCount; //总页数
string voidStr = "javascript:void(0)";
TagBuilder asiatekPagerDiv = new TagBuilder("div");//最外层DIV
asiatekPagerDiv.GenerateId("asiatekPager");
TagBuilder asiatekPagerBackDiv = new TagBuilder("div");//第一页
asiatekPagerBackDiv.GenerateId("asiatekPagerBack");
TagBuilder backLink = new TagBuilder("a");
backLink.MergeAttribute("href", voidStr);
backLink.SetInnerText("||<");
backLink.AddCssClass("asiatekPagerDefault");
if (pageCount != 1)
{
backLink.MergeAttributes(pageAjaxOptions(1).ToUnobtrusiveHtmlAttributes());
}
asiatekPagerBackDiv.InnerHtml = backLink.ToString();
TagBuilder asiatekPagerFrontDiv = new TagBuilder("div");//末页
asiatekPagerFrontDiv.GenerateId("asiatekPagerFront");
TagBuilder frontLink = new TagBuilder("a");
frontLink.MergeAttribute("href", voidStr);
frontLink.SetInnerText(">||");
frontLink.AddCssClass("asiatekPagerDefault");
if (pageCount != 1)
{
frontLink.MergeAttributes(pageAjaxOptions(pageCount).ToUnobtrusiveHtmlAttributes());
}
asiatekPagerFrontDiv.InnerHtml = frontLink.ToString();
//内容（页选择）
TagBuilder asiatekPagerContentDiv = new TagBuilder("div");//页内容
asiatekPagerContentDiv.GenerateId("asiatekPagerContent");
for (int i = 1; i <= pageCount; i++)
{
TagBuilder numLink = new TagBuilder("a");
numLink.AddCssClass("asiatekPagerDefault");
numLink.MergeAttribute("href", voidStr);
if (i == pageIndex)//当前页添加 css
{
numLink.AddCssClass("asiatekPagerSelected");
}
if (pageCount != 1)//如果总页数超过1，那么才对 页链接创建非注入式脚本，否则不添加
{
numLink.MergeAttributes(pageAjaxOptions(i).ToUnobtrusiveHtmlAttributes());
}
numLink.SetInnerText(i.ToString());
asiatekPagerContentDiv.InnerHtml += numLink.ToString();
}
int contentWidth = 250; //页数内容容器默认宽度250px
int pagerWidth = 320; //整个分页导航总宽度默认320px
if (pageCount < 10) //最多同时显示10页，当少于10页时，动态计算整体宽度，每个页链接占用25px，第一页与末页链接各占用35px
{
contentWidth = pageCount * 25;
pagerWidth = 70 + contentWidth;
}
//设置容器宽度
asiatekPagerContentDiv.MergeAttribute("style", "width:" + contentWidth + "px;");
asiatekPagerDiv.MergeAttribute("style", "width:" + pagerWidth + "px;");
//合并全部HTML
asiatekPagerDiv.InnerHtml = asiatekPagerBackDiv.ToString() + asiatekPagerContentDiv.ToString() + asiatekPagerFrontDiv.ToString();
return(MvcHtmlString.Create(asiatekPagerDiv.ToString()));
}
