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ASP.NET 程序实现博客日历

2006-09-10 11:50 411 查看


　　前台页面

<%@ Page language="c#" Codebehind="WebForm1.aspx.cs" AutoEventWireup="false" Inherits="Blog_calendar.WebForm1" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
<HTML>
<HEAD>
<title>WebForm1</title>
<meta name="GENERATOR" Content="Microsoft Visual Studio .NET 7.1">
<meta name="CODE_LANGUAGE" Content="C#">
<meta name="vs_defaultClientScript" content="JavaScript">
<meta name="vs_targetSchema" content="http://schemas.microsoft.com/intellisense/ie5">
</HEAD>
<body MS_POSITIONING="GridLayout">
<form id="Form1" method="post" runat="server">
<asp:calendar id="Calendar1" CellPadding="2" Width="160px" TitleStyle-BackColor="#000000" BorderColor="#aaaaaa"
DayHeaderStyle-BackColor="#5e715e" OtherMonthDayStyle-ForeColor="#cccccc" DayNameFormat="Full"
runat="server" TitleStyle-ForeColor="#ffffff" NextPrevStyle-ForeColor="#ffffff" CellSpacing="1"
WeekendDayStyle-BackColor="#eeeeee" DayHeaderStyle-ForeColor="#ffffff" SelectionMode="None"
TodayDayStyle-BorderColor="#5e715e" TodayDayStyle-BorderWidth="1" TodayDayStyle-Font-Bold="true"
TodayDayStyle-ForeColor="#5e715e">
<TodayDayStyle Font-Bold="True" BorderWidth="1px" ForeColor="#5E715E" BorderColor="#5E715E"></TodayDayStyle>
<NextPrevStyle ForeColor="White"></NextPrevStyle>
<DayHeaderStyle ForeColor="White" BackColor="#404040"></DayHeaderStyle>
<TitleStyle ForeColor="White" BackColor="Black"></TitleStyle>
<WeekendDayStyle BackColor="Silver"></WeekendDayStyle>
<OtherMonthDayStyle ForeColor="#CCCCCC"></OtherMonthDayStyle>
</asp:calendar>
</form>
</body>
</HTML>

后台程序:

using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using System.Threading;
using System.Globalization;
using System.Data.SqlClient;

namespace Blog_calendar
{
/// <summary>
/// WebForm1 的摘要说明。
/// </summary>
public class WebForm1 : System.Web.UI.Page
{
protected System.Web.UI.WebControls.Calendar Calendar1;
private int[] arrCurrentDays,arrPreDays,arrNextDays; //三个变量分别是当前月，前一月，和下一个月
private int intCurrentMonth,intPreMonth,intNextMonth; //三个整型数组存放相对月份写有blog的日期

private void Page_Load(object sender, System.EventArgs e)
{
// 在此处放置用户代码以初始化页面
}

private void Calendar1_PreRender(object sender, System.EventArgs e)
{
Thread threadCurrent = Thread.CurrentThread;
CultureInfo ciNew = (CultureInfo)threadCurrent.CurrentCulture.Clone();
ciNew.DateTimeFormat.DayNames = new string[]{"日","一","二","三","四","五","六"};
ciNew.DateTimeFormat.FirstDayOfWeek = DayOfWeek.Sunday;
threadCurrent.CurrentCulture = ciNew;
}

private void Calendar1_DayRender(object sender, System.Web.UI.WebControls.DayRenderEventArgs e)
{
//该控件在创建每一天时发生。
CalendarDay d = ((DayRenderEventArgs)e).Day;
TableCell c = ((DayRenderEventArgs)e).Cell;
// 初始化当前月有Blog的日期数组
if( intPreMonth == 0 )
{
intPreMonth = d.Date.Month; // 注意：日历控件初始化时我们得到的第一个月并不是当前月，而是前一个月的月份
//Response.Write(d.Date.Month.ToString());
intCurrentMonth = intPreMonth+1;
　　 if (intCurrentMonth>12)
intCurrentMonth=1 ;
intNextMonth = intCurrentMonth+1;
if (intNextMonth >12)
intNextMonth =1;
arrPreDays = getArrayDay(d.Date.Year,intPreMonth); //得到前一个月有blog的日期数组
arrCurrentDays = getArrayDay(d.Date.Year,intCurrentMonth) ;//得到当月有blog的日期数组
arrNextDays = getArrayDay(d.Date.Year,intNextMonth) ;//得到下个月有blog的日期数组
}

int j=0;

if( d.Date.Month.Equals(intPreMonth) )
{
while( ! arrPreDays[j].Equals(0) )
{
if(d.Date.Day.Equals(arrPreDays[j]))
{
c.Controls.Clear();
c.Controls.Add(new LiteralControl("<a href=WebForm1.aspx?year="+d.Date.Year+"-"+
d.Date.Month+"-"+d.Date.Day+">"+d.Date.Day+"</a>"));
}
j++;
}
}
else if( d.Date.Month.Equals(intCurrentMonth) )
{
while( !arrCurrentDays[j].Equals(0) )
{
if(d.Date.Day.Equals(arrCurrentDays[j]))
{
c.Controls.Clear();
c.Controls.Add(new LiteralControl("<a href=WebForm1.aspx?time="+d.Date.Year+"-"+
d.Date.Month+"-"+d.Date.Day+" title='"+d.Date.Year+'/'+d.Date.Month+'/'+d.Date.Day+"'>"+d.Date.Day+"</a>"));
}
j++;
}
}
else if( d.Date.Month.Equals(intNextMonth) )
{
while( ! arrNextDays[j].Equals(0) )
{
if(d.Date.Day.Equals(arrNextDays[j]))
{
c.Controls.Clear();
c.Controls.Add(new LiteralControl("<a href=WebForm1.aspx?year="+d.Date.Year+"-"+
d.Date.Month+"-"+d.Date.Day+">"+d.Date.Day+"</a>"));
}
j++;
}
}
}

private int[] getArrayDay(int intYear,int intMonth)
{
int i=0;
int[] intArray = new int[31];
//从数据库里选取符合要求的记录，将日期存入数组
string mySelectQuery = "select OrderDate from test where year(OrderDate)="+intYear+
" and month(OrderDate)="+intMonth;
SqlConnection myConnection=new SqlConnection("server=localhost;UID=sa;pwd=fan;database=test");
SqlCommand myCommand = new SqlCommand(mySelectQuery,myConnection);
myConnection.Open();
SqlDataReader myReader;
myReader = myCommand.ExecuteReader();
while (myReader.Read())
{
if( i==0 )
{
intArray[i] = myReader.GetDateTime(0).Day;
i++;
}
else if( myReader.GetDateTime(0).Day != intArray[i-1] )
{
intArray[i] = myReader.GetDateTime(0).Day;
i++;
}
}
myReader.Close();
myConnection.Close();

return intArray;
}

#region Web 窗体设计器生成的代码
override protected void OnInit(EventArgs e)
{
//
// CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。
//
InitializeComponent();
base.OnInit(e);
}

/// <summary>
/// 设计器支持所需的方法 - 不要使用代码编辑器修改
/// 此方法的内容。
/// </summary>
private void InitializeComponent()
{
this.Calendar1.DayRender += new System.Web.UI.WebControls.DayRenderEventHandler(this.Calendar1_DayRender);
this.Calendar1.PreRender += new System.EventHandler(this.Calendar1_PreRender);
this.Load += new System.EventHandler(this.Page_Load);

}
#endregion
}
}
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