C#.Net 分页显示类

 

  
    

   
     
   
     using
   
      System;

   
     using
   
      System.Web;

   
     using
   
      System.Web.UI;

   
     using
   
      System.Text.RegularExpressions;

   
     using
   
      System.Text;


   
     namespace
   
      Pub.Class
{ 
 
   
     ///
   
      
   
     <summary>
   
     
 
   
     ///
   
      分页显示类
 
   
     ///
   
      
   
     </summary>
   
     

   
      
   
     public
   
      
   
     class
   
      Pager
 {
 
   
     #region
   
      对齐方式 enum
   
     
 
   
     ///
   
      
   
     <summary>
   
     
 
   
     ///
   
      对齐方式
 
   
     ///
   
      
   
     </summary>
   
     

   
      
   
     public
   
      
   
     enum
   
      Align { 
 
   
     ///
   
      
   
     <summary>
   
     
 
   
     ///
   
      左对齐
 
   
     ///
   
      
   
     </summary>
   
     

   
      Left 
   
     =
   
      
   
     0
   
     , 
 
   
     ///
   
      
   
     <summary>
   
     
 
   
     ///
   
      居中
 
   
     ///
   
      
   
     </summary>
   
     

   
      Center, 
 
   
     ///
   
      
   
     <summary>
   
     
 
   
     ///
   
      右对齐
 
   
     ///
   
      
   
     </summary>
   
     

   
      Right
 }
 
   
     #endregion
   
     

 
   
     #region
   
      私有成员
   
     
 
   
     private
   
      
   
     string
   
      _Url;
 
   
     private
   
      
   
     int
   
      _PageIndex;
 
   
     private
   
      
   
     int
   
      _TotalPage;
 
   
     private
   
      
   
     int
   
      _PageSize;
 
   
     private
   
      
   
     int
   
      _TotalRecord;
 
   
     private
   
      
   
     string
   
      _StyleName;
 
   
     private
   
      Align _Align;
 
   
     private
   
      
   
     int
   
      _Index
   
     =
   
     1
   
     ;
 
   
     private
   
      StringBuilder sbData 
   
     =
   
      
   
     new
   
      StringBuilder();
 
   
     #endregion
   
     

 
   
     #region
   
      属性
   
     
 
   
     ///
   
      
   
     <summary>
   
     
 
   
     ///
   
      URL
 
   
     ///
   
      
   
     </summary>
   
     

   
      
   
     public
   
      
   
     string
   
      Url { 
   
     set
   
      { _Url 
   
     =
   
      value; } }
 
   
     ///
   
      
   
     <summary>
   
     
 
   
     ///
   
      当前页
 
   
     ///
   
      
   
     </summary>
   
     

   
      
   
     public
   
      
   
     int
   
      PageIndex { 
   
     set
   
      { _PageIndex 
   
     =
   
      value; } }
 
   
     ///
   
      
   
     <summary>
   
     
 
   
     ///
   
      总页
 
   
     ///
   
      
   
     </summary>
   
     

   
      
   
     public
   
      
   
     int
   
      TotalPage { 
   
     set
   
      { _TotalPage 
   
     =
   
      value; } }
 
   
     ///
   
      
   
     <summary>
   
     
 
   
     ///
   
      页大小
 
   
     ///
   
      
   
     </summary>
   
     

   
      
   
     public
   
      
   
     int
   
      PageSize { 
   
     set
   
      { _PageSize 
   
     =
   
      value; } }
 
   
     ///
   
      
   
     <summary>
   
     
 
   
     ///
   
      总记录
 
   
     ///
   
      
   
     </summary>
   
     

   
      
   
     public
   
      
   
     int
   
      TotalRecord { 
   
     set
   
      { _TotalRecord 
   
     =
   
      value; } }
 
   
     ///
   
      
   
     <summary>
   
     
 
   
     ///
   
      样式
 
   
     ///
   
      
   
     </summary>
   
     

   
      
   
     public
   
      
   
     string
   
      StyleName { 
   
     set
   
      { _StyleName 
   
     =
   
      value; } }
 
   
     ///
   
      
   
     <summary>
   
     
 
   
     ///
   
      对齐方式
 
   
     ///
   
      
   
     </summary>
   
     

   
      
   
     public
   
      Align HAlign { 
   
     set
   
      { _Align 
   
     =
   
      value; } }
 
   
     ///
   
      
   
     <summary>
   
     
 
   
     ///
   
      索引
 
   
     ///
   
      
   
     </summary>
   
     

   
      
   
     public
   
      
   
     int
   
      Index { 
   
     set
   
      { _Index 
   
     =
   
      value; } }
 
   
     #endregion
   
     

 
   
     #region
   
      构造函数
   
     
 
   
     ///
   
      
   
     <summary>
   
     
 
   
     ///
   
      构造函数
 
   
     ///
   
      
   
     </summary>
   
     

   
      
   
     public
   
      Pager()
 {
 
   
     this
   
     ._Url 
   
     =
   
      
   
     ""
   
     ;
 
   
     this
   
     ._PageIndex 
   
     =
   
      
   
     1
   
     ;
 
   
     this
   
     ._TotalPage 
   
     =
   
      
   
     1
   
     ;
 
   
     this
   
     ._PageSize 
   
     =
   
      
   
     20
   
     ;
 
   
     this
   
     ._TotalRecord 
   
     =
   
      
   
     0
   
     ;
 
   
     this
   
     ._StyleName 
   
     =
   
      
   
     "
   
     BasePager
   
     "
   
     ;
 
   
     this
   
     ._Align 
   
     =
   
      Align.Left;
 }
 
   
     ///
   
      
   
     <summary>
   
     
 
   
     ///
   
      构造函数
 
   
     ///
   
      
   
     </summary>
   
     
 
   
     ///
   
      
   
     <param name="Url">
   
     URL
   
     </param>
   
     
 
   
     ///
   
      
   
     <param name="PageIndex">
   
     当前页
   
     </param>
   
     
 
   
     ///
   
      
   
     <param name="TotalPage">
   
     总页
   
     </param>
   
     
 
   
     ///
   
      
   
     <param name="PageSize">
   
     页大小
   
     </param>
   
     
 
   
     ///
   
      
   
     <param name="TotalRecord">
   
     总记录数
   
     </param>
   
     
 
   
     ///
   
      
   
     <param name="StyleName">
   
     样式 默认BasePager
   
     </param>
   
     

   
      
   
     public
   
      Pager(
   
     string
   
      Url, 
   
     int
   
      PageIndex, 
   
     int
   
      TotalPage, 
   
     int
   
      PageSize, 
   
     int
   
      TotalRecord, 
   
     string
   
      StyleName)
 {
 
   
     this
   
     ._Url 
   
     =
   
      Url;
 
   
     this
   
     ._PageIndex 
   
     =
   
      PageIndex;
 
   
     this
   
     ._TotalPage 
   
     =
   
      TotalPage;
 
   
     this
   
     ._PageSize 
   
     =
   
      PageSize;
 
   
     this
   
     ._TotalRecord 
   
     =
   
      TotalRecord;
 
   
     this
   
     ._StyleName 
   
     =
   
      StyleName;
 }
 
   
     #endregion
   
     

 
   
     #region
   
      填充Html代码 生成分页代码
   
     
 
   
     ///
   
      
   
     <summary>
   
     
 
   
     ///
   
      填充Html代码
 
   
     ///
   
      
   
     </summary>
   
     
 
   
     ///
   
      
   
     <param name="Page">
   
     当前page
   
     </param>
   
     
 
   
     ///
   
      
   
     <param name="CtrlID">
   
     输出到哪个HTML控件中
   
     </param>
   
     

   
      
   
     public
   
      
   
     void
   
      SetData(System.Web.UI.Page Page,
   
     string
   
      CtrlID)
 {
 _TotalPage 
   
     =
   
      _TotalRecord 
   
     /
   
      _PageSize;
 
   
     if
   
      (_TotalRecord 
   
     %
   
      _PageSize 
   
     !=
   
      
   
     0
   
     ) _TotalPage
   
     ++
   
     ;
 sbData.Remove(
   
     0
   
     ,sbData.Length);
 sbData.Append(
   
     "
   
     var myPager
   
     "
   
      
   
     +
   
      _Index.ToString() 
   
     +
   
      
   
     "
   
      = new 
   
     "
   
      
   
     +
   
      
   
     this
   
     ._StyleName 
   
     +
   
      
   
     "
   
     ();\n
   
     "
   
     );
 sbData.Append(
   
     "
   
     myPager
   
     "
   
      
   
     +
   
      _Index.ToString() 
   
     +
   
      
   
     "
   
     .setUrl(\
   
     ""
   
      + _Url + 
   
     "
   
     \
   
     "
   
     );\n
   
     "
   
     );
 sbData.Append(
   
     "
   
     myPager
   
     "
   
      
   
     +
   
      _Index.ToString() 
   
     +
   
      
   
     "
   
     .setPageIndex(
   
     "
   
      
   
     +
   
      _PageIndex.ToString() 
   
     +
   
      
   
     "
   
     );\n
   
     "
   
     );
 sbData.Append(
   
     "
   
     myPager
   
     "
   
      
   
     +
   
      _Index.ToString() 
   
     +
   
      
   
     "
   
     .setTotalPage(
   
     "
   
      
   
     +
   
      _TotalPage.ToString() 
   
     +
   
      
   
     "
   
     );\n
   
     "
   
     );
 sbData.Append(
   
     "
   
     myPager
   
     "
   
      
   
     +
   
      _Index.ToString() 
   
     +
   
      
   
     "
   
     .setPageSize(
   
     "
   
      
   
     +
   
      _PageSize.ToString() 
   
     +
   
      
   
     "
   
     );\n
   
     "
   
     );
 sbData.Append(
   
     "
   
     myPager
   
     "
   
      
   
     +
   
      _Index.ToString() 
   
     +
   
      
   
     "
   
     .setTotalRecord(
   
     "
   
      
   
     +
   
      _TotalRecord.ToString() 
   
     +
   
      
   
     "
   
     );\n
   
     "
   
     );
 
   
     string
   
      _str 
   
     =
   
      
   
     ""
   
     ;
 
   
     switch
   
      (
   
     this
   
     ._Align) { 
 
   
     case
   
      Align.Left: _str 
   
     =
   
      
   
     "
   
     left
   
     "
   
     ; 
   
     break
   
     ;
 
   
     case
   
      Align.Center: _str 
   
     =
   
      
   
     "
   
     center
   
     "
   
     ; 
   
     break
   
     ;
 
   
     case
   
      Align.Right: _str 
   
     =
   
      
   
     "
   
     right
   
     "
   
     ; 
   
     break
   
     ;
 }
 sbData.Append(
   
     "
   
     myPager
   
     "
   
      
   
     +
   
      _Index.ToString() 
   
     +
   
      
   
     "
   
     .setAlign(\
   
     ""
   
      + _str + 
   
     "
   
     \
   
     "
   
     );\n
   
     "
   
     );
 sbData.Append(
   
     "
   
     myPager
   
     "
   
      
   
     +
   
      _Index.ToString() 
   
     +
   
      
   
     "
   
     .Execute(\
   
     ""
   
      + CtrlID + 
   
     "
   
     \
   
     "
   
     );\n
   
     "
   
     );
 Js.Run(Page,sbData.ToString(),
   
     false
   
     ,
   
     "
   
     Js
   
     "
   
      
   
     +
   
      _Index.ToString());
 }
 
   
     ///
   
      
   
     <summary>
   
     
 
   
     ///
   
      取分页JS代码
 
   
     ///
   
      
   
     </summary>
   
     
 
   
     ///
   
      
   
     <param name="CtrlID">
   
     输出到哪个HTML控件中
   
     </param>
   
     

   
      
   
     public
   
      
   
     string
   
      GetData(
   
     string
   
      CtrlID)
 {
 _TotalPage 
   
     =
   
      _TotalRecord 
   
     /
   
      _PageSize;
 
   
     if
   
      (_TotalRecord 
   
     %
   
      _PageSize 
   
     !=
   
      
   
     0
   
     ) _TotalPage
   
     ++
   
     ;
 sbData.Remove(
   
     0
   
     ,sbData.Length);
 sbData.Append(
   
     "
   
     var myPager
   
     "
   
      
   
     +
   
      _Index.ToString() 
   
     +
   
      
   
     "
   
      = new 
   
     "
   
      
   
     +
   
      
   
     this
   
     ._StyleName 
   
     +
   
      
   
     "
   
     ();\n
   
     "
   
     );
 sbData.Append(
   
     "
   
     myPager
   
     "
   
      
   
     +
   
      _Index.ToString() 
   
     +
   
      
   
     "
   
     .setUrl(\
   
     ""
   
      + _Url + 
   
     "
   
     \
   
     "
   
     );\n
   
     "
   
     );
 sbData.Append(
   
     "
   
     myPager
   
     "
   
      
   
     +
   
      _Index.ToString() 
   
     +
   
      
   
     "
   
     .setPageIndex(
   
     "
   
      
   
     +
   
      _PageIndex.ToString() 
   
     +
   
      
   
     "
   
     );\n
   
     "
   
     );
 sbData.Append(
   
     "
   
     myPager
   
     "
   
      
   
     +
   
      _Index.ToString() 
   
     +
   
      
   
     "
   
     .setTotalPage(
   
     "
   
      
   
     +
   
      _TotalPage.ToString() 
   
     +
   
      
   
     "
   
     );\n
   
     "
   
     );
 sbData.Append(
   
     "
   
     myPager
   
     "
   
      
   
     +
   
      _Index.ToString() 
   
     +
   
      
   
     "
   
     .setPageSize(
   
     "
   
      
   
     +
   
      _PageSize.ToString() 
   
     +
   
      
   
     "
   
     );\n
   
     "
   
     );
 sbData.Append(
   
     "
   
     myPager
   
     "
   
      
   
     +
   
      _Index.ToString() 
   
     +
   
      
   
     "
   
     .setTotalRecord(
   
     "
   
      
   
     +
   
      _TotalRecord.ToString() 
   
     +
   
      
   
     "
   
     );\n
   
     "
   
     );
 
   
     string
   
      _str 
   
     =
   
      
   
     ""
   
     ;
 
   
     switch
   
      (
   
     this
   
     ._Align) { 
 
   
     case
   
      Align.Left: _str 
   
     =
   
      
   
     "
   
     left
   
     "
   
     ; 
   
     break
   
     ;
 
   
     case
   
      Align.Center: _str 
   
     =
   
      
   
     "
   
     center
   
     "
   
     ; 
   
     break
   
     ;
 
   
     case
   
      Align.Right: _str 
   
     =
   
      
   
     "
   
     right
   
     "
   
     ; 
   
     break
   
     ;
 }
 sbData.Append(
   
     "
   
     myPager
   
     "
   
      
   
     +
   
      _Index.ToString() 
   
     +
   
      
   
     "
   
     .setAlign(\
   
     ""
   
      + _str + 
   
     "
   
     \
   
     "
   
     );\n
   
     "
   
     );
 sbData.Append(
   
     "
   
     myPager
   
     "
   
      
   
     +
   
      _Index.ToString() 
   
     +
   
      
   
     "
   
     .Execute(\
   
     ""
   
      + CtrlID + 
   
     "
   
     \
   
     "
   
     );\n
   
     "
   
     );
 
   
     return
   
      sbData.ToString();
 }
 
   
     #endregion
   
     

 
   
     ///
   
      
   
     <summary>
   
     
 
   
     ///
   
      生成分页HTML代码
 
   
     ///
   
      
   
     </summary>
   
     
 
   
     ///
   
      
   
     <param name="curPage">
   
     当前页
   
     </param>
   
     
 
   
     ///
   
      
   
     <param name="countPage">
   
     总页数
   
     </param>
   
     
 
   
     ///
   
      
   
     <param name="url">
   
     URL
   
     </param>
   
     
 
   
     ///
   
      
   
     <param name="extendPage">
   
     输出页数
   
     </param>
   
     
 
   
     ///
   
      
   
     <returns></returns>
   
     

   
      
   
     public
   
      
   
     static
   
      
   
     string
   
      GetPager(
   
     int
   
      curPage, 
   
     int
   
      countPage, 
   
     string
   
      url, 
   
     int
   
      extendPage) {
 
   
     if
   
      (countPage
   
     <=
   
     1
   
     ) 
   
     return
   
      
   
     ""
   
     ;
 
 
   
     int
   
      startPage 
   
     =
   
      
   
     1
   
     ;
 
   
     int
   
      endPage 
   
     =
   
      
   
     1
   
     ;
 
   
     string
   
      t1 
   
     =
   
      
   
     "
   
     <a href=\
   
     ""
   
      + string.Format(url,1) + 
   
     "
   
     \
   
     "
   
     >&laquo;</a>&nbsp;
   
     "
   
     ;
 
   
     string
   
      t2 
   
     =
   
      
   
     "
   
     <a href=\
   
     ""
   
      + string.Format(url,countPage) + 
   
     "
   
     \
   
     "
   
     >&raquo;</a>&nbsp;
   
     "
   
     ;
 
   
     if
   
     (countPage 
   
     <
   
      
   
     1
   
     ) countPage 
   
     =
   
      
   
     1
   
     ;
 
   
     if
   
     (extendPage 
   
     <
   
      
   
     3
   
     ) extendPage 
   
     =
   
      
   
     2
   
     ;
 
   
     if
   
     (countPage 
   
     >
   
      extendPage) {
 
   
     if
   
     (curPage 
   
     -
   
      (extendPage 
   
     /
   
      
   
     2
   
     ) 
   
     >
   
      
   
     0
   
     ) {
 
   
     if
   
     (curPage 
   
     +
   
      (extendPage 
   
     /
   
      
   
     2
   
     ) 
   
     <
   
      countPage) {
 startPage 
   
     =
   
      curPage 
   
     -
   
      (extendPage 
   
     /
   
      
   
     2
   
     );
 endPage 
   
     =
   
      startPage 
   
     +
   
      extendPage 
   
     -
   
      
   
     1
   
     ;
 } 
   
     else
   
      {
 endPage 
   
     =
   
      countPage;
 startPage 
   
     =
   
      endPage 
   
     -
   
      extendPage 
   
     +
   
      
   
     1
   
     ;
 t2 
   
     =
   
      
   
     ""
   
     ;
 }
 } 
   
     else
   
      {
 endPage 
   
     =
   
      extendPage;
 t1 
   
     =
   
      
   
     ""
   
     ;
 }
 } 
   
     else
   
      {
 startPage 
   
     =
   
      
   
     1
   
     ;
 endPage 
   
     =
   
      countPage;
 t1 
   
     =
   
      
   
     ""
   
     ;
 t2 
   
     =
   
      
   
     ""
   
     ;
 }
 System.Text.StringBuilder s 
   
     =
   
      
   
     new
   
      System.Text.StringBuilder(
   
     ""
   
     );
 s.Append(t1);
 
   
     for
   
      (
   
     int
   
      i 
   
     =
   
      startPage; i 
   
     <=
   
      endPage; i
   
     ++
   
     ) {
 
   
     if
   
      (i 
   
     ==
   
      curPage) {
 s.Append(
   
     "
   
     &nbsp;<span>
   
     "
   
     );
 s.Append(i);
 s.Append(
   
     "
   
     </span>&nbsp;
   
     "
   
     );
 } 
   
     else
   
      {
 s.Append(
   
     "
   
     &nbsp;<a href=\
   
     ""
   
     );
   
     

   
      s.Append(
   
     string
   
     .Format(url,i));
 s.Append(
   
     "
   
     \
   
     "
   
     >
   
     "
   
     );
   
     

   
      s.Append(i);
 s.Append(
   
     "
   
     </a>&nbsp;
   
     "
   
     );
 }
 }
 s.Append(t2);
 
   
     return
   
      s.ToString();
 }
 }
}