递归和页码生成代码
using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Collections;
namespace WebUI.classes
{
public class Common
{
public static ArrayList al = new ArrayList();
public static ArrayList all = new ArrayList();
/// <summary>
/// 根据当前的页数显示的当前页的底部分页
/// </summary>
/// <param name="current"></param>
/// <param name="size"></param>
/// <param name="zong"></param>
/// <returns></returns>
public static string GetPage(int current,int size,int zong)
{
int pagecount = zong % size == 0 ? (zong / size) : (zong / size + 1);
int num = current / 10;
System.Text.StringBuilder sball = new System.Text.StringBuilder("");
int xian = current / 10 + 1;
int before = current%10==0?(current/10):(current/10);
sball.Append(" <a href='index.html'>首页</a> ");
for (int i = ((before * 10 - 5) > 0 ? (before * 10 - 5) : (1)); i <= (before * 10 == 0 ? (1) : (before * 10)); i++)
{
if ((before * 10 - 5) < 0)
continue;
sball.Append(" <a href='index").Append((i).ToString()).Append(".html'>").Append((i)).Append("</a>");
sball.Append(" ");
}
for (int i = (xian - 1) * 10 > pagecount ? (pagecount) : ((xian - 1) * 10); i < (xian * 10 < pagecount ? (xian * 10) : (pagecount)); i++)
{
if (i == 0)
sball.Append("<a href='index.html'>").Append((i + 1)).Append("</a>");
else
sball.Append(" <a href='index").Append((i + 1)).Append(".html'>").Append((i+1)).Append("</a>");
}
sball.Append(" <a href='index" + (pagecount == 1 ? ("") : (pagecount.ToString())) + ".html'>末页</a>");
sball.Append(" 共").Append(zong.ToString()).Append("条 当前第").Append((current).ToString()).Append("页").Append("共").Append(pagecount).Append("页").Append("<input type=text id='pagenum' value='' size=\"5\"/> <input type=button value='GO' onclick=document.location='index'+document.getElementById(\"pagenum\").value+'.html'>");
return sball.ToString();
}
/// <summary>
/// 根据子类获取父类的所有的
/// </summary>
/// <param name="id"></param>
/// <returns></returns>
public static string GetP(string id)
{
//DataTable dt = DbHelperOleDb.Query("select * from zone").Tables[0];
//DataView dv = dt.DefaultView;
DataTable dt = DbHelperOleDb.Query("select * from zone where classid=" + id).Tables[0];
if (dt.Rows.Count < 1)
return "";
if (Convert.ToString(dt.Rows[0]["ParentID"]) != " 0")
{
//demo += Convert.ToString(dt.Rows[0]["ClassName"]);
//if (Convert.ToString(dt.Rows[0]["depth"]) == dep)
////{
// return GetP(Convert.ToString(dt.Rows[0]["ParentID"])) + "<a href='/" + Convert.ToString(dt.Rows[0]["links"]) + "'>" + Convert.ToString(dt.Rows[0]["ClassName"]) + "</a> ";
//}
//else
//{
return GetP(Convert.ToString(dt.Rows[0]["ParentID"])) + "<a href='/" + Convert.ToString(dt.Rows[0]["links"]) + "/index.html'>" + Convert.ToString(dt.Rows[0]["ClassName"]) + "</a> >>";
//}
}
else
{
return "";
}
}
///
public static bool CheckContent(string user, string content)
{
bool check = false;
if (user == "admin")
return false;
DataTable dt = DbHelperOleDb.Query("select * from keys").Tables[0];
for (int i = 0; i < dt.Rows.Count; i++)
{
if (content.IndexOf(Convert.ToString(dt.Rows[i]["keys"])) >= 0)
{
return true;
}
}
return false;
}
//获取子节点
public static string GetChilds(string pid)
{
DataTable dt = DbHelperOleDb.Query("select * from zone where ParentID=" + pid).Tables[0];
if (dt.Rows.Count < 1)
{
if (!al.Contains(pid))
al.Add(pid);
}
else
{
for (int i = 0; i < dt.Rows.Count; i++)
{
DataTable dtbottom = DbHelperOleDb.Query("select * from zone where ParentID=" + Convert.ToString(dt.Rows[i]["classid"])).Tables[0];
if (dtbottom.Rows.Count < 1)
{
if (!al.Contains(Convert.ToString(dt.Rows[i]["classid"])))
al.Add(Convert.ToString(dt.Rows[i]["classid"]));
}
GetChilds(Convert.ToString(dt.Rows[i]["classid"]));
}
}
return "";
}
/// <summary>
/// 下拉框的值
/// </summary>
/// <param name="pid"></param>
/// <returns></returns>
public static void GetChilds(string pid,string pname)
{
DataTable dt = DbHelperOleDb.Query("select * from zone where ParentID=" + pid).Tables[0];
if (dt.Rows.Count < 1)
{
if (!al.Contains(new DropItem(pid, pname)))
all.Add(new DropItem(pid, pname));
}
else
{
for (int i = 0; i < dt.Rows.Count; i++)
{
DataTable dtbottom = DbHelperOleDb.Query("select * from zone where ParentID=" + Convert.ToString(dt.Rows[i]["classid"])).Tables[0];
if (dtbottom.Rows.Count < 1)
{
if (!al.Contains(new DropItem(Convert.ToString(dt.Rows[i]["classid"]), Convert.ToString(dt.Rows[i]["classname"]))))
all.Add(new DropItem(Convert.ToString(dt.Rows[i]["classid"]), Convert.ToString(dt.Rows[i]["classname"])));
}
GetChilds(Convert.ToString(dt.Rows[i]["classid"]), Convert.ToString(dt.Rows[i]["classname"]));
}
}
}
}
public class DropItem
{
public string id;
public string name;
public DropItem(string id, string name)
{
this.id = id;
this.name = name;
}
}
}