asp简单的ajax留言板(采用三层模式)

index.asp
<%@ codepage=65001%>
<%
option explicit
%>
<% Response.Charset="utf-8"%>
<% Session.CodePage=65001 %>





<%
Dim mybll
Dim myList
Set mybll = new BLL_Guest
Select Case Request("tCMD")
   Case "SAVE"
    mybll.Insert()
   Case "DEL"
    mybll.Delete()
End Select
myList = mybll.FindByPage()
%>
<h2>客户留言</h2>
<p>
<form name="subForm" id="subForm">
<textarea id="con" name="con" cols="56" rows="6" wrap="VIRTUAL"></textarea>
<input type="button" name="submit" value="提交留言" onclick="$('guest/index.asp?tCMD=SAVE&content='+escape(this.form.con.value))" />
</form>
</p>
<%=myList%>

BLL_Guest.asp
<%
'/// <summary>
'/// 摘要说明。
'/// </summary>
Class BLL_Guest

Private mycom,mymod,mydal

Private LI,UL

   Private DEL

   '获取信息
   Public Sub GetGuest()

mydal.GetGuest(Id)

End Sub

   '新增信息
   Public Sub Insert()

    mymod.Content = Request("content")
    mymod.re = Request("Re")
    mymod.Addtime = Now()
    mymod.Ip = request.servervariables("HTTP_X_FORWARDED_FOR")
    If len(mymod.Ip)<=0 Then mymod.Ip = request.servervariables("REMOTE_ADDR")

Call mydal.Insert(mymod)

End Sub

'更新信息
Public Sub Update()

Call mydal.Update(mymod)

End Sub

'删除信息
Public Sub Delete()

mydal.Delete(Request("Id"))

End Sub

'查找信息
Public Function FindByPage()

    Dim PageSize,CurrentPage,WhereValue,OrderValue,RecordCount
    Dim objRS
    Dim tmp1,tmp2,tmp3,parms,i
    Dim tCMD
    tCMD = Request("tCMD")
    PageSize = "8"
    CurrentPage = Request("PageNo")
    If Len(CurrentPage)<=0 Then
     CurrentPage=1
    End If
    WhereValue = ""
    OrderValue = "Id"
    Set objRS = mydal.FindByPage(PageSize,CurrentPage-1,WhereValue,OrderValue)
    i = 1
    RecordCount = mydal.Count(WhereValue)
    Do While Not objRS.EOF
     If tCMD="DEL" Then
      DEL = "<a href=""?tCMD=DEL&Id="&objRS("Id")&""">删除</a>"
     Else
      DEL = ""
     End If
     parms=Array(i,objRS("content"),objRS("ip"),objRS("addtime"),DEL)
     tmp1 = tmp1 & mycom.Format(LI,parms)
     objRs.Movenext
     i = i + 1
    Loop
    tmp3 = mycom.Page(PageSize,CurrentPage,RecordCount,"guest/index.asp?tCMD=LIST")
    parms=Array(tmp1,tmp3)
    tmp2 = tmp2 & mycom.Format(UL,parms)

FindByPage = tmp2

End Function

Private Sub Class_Initialize()

    LI = "<li><span>{0}</span> <span>{1}</span><br /><span>作者:{2}</span> <span>{3}</span> <span>{4}</span></li>" & vbCrLf
    UL = "<UL>{0}<li>{1}</li></UL>"
    DEL = ""

    Set mycom = new Common
    set mymod = new MOD_Guest
    set mydal = new DAL_Guest

End Sub

Private Sub Class_Terminate()

    Set mycom = Nothing
    Set mymod = Nothing
    set mydal = Nothing

End Sub

End Class
%>

DAL_Guest.asp
<%
'/// <summary>
'/// 摘要说明。
'/// </summary>
Class DAL_Guest

   Private SQL_01
   Private SQL_02
   Private SQL_03
   Private SQL_04
   Private SQL_05
   Private SQL_06
   Private SQL_07

Private mycom,myacc,mymod

   '/// <summary>
   '/// 获得信息
   '/// </summary>
   '/// <param name="Id">判断字段</param>
   '/// <returns>信息体</returns>
   Public Function GetGuest(Id)

    Dim parms,SQL,objRS
    parms = Array(Id)
    SQL   = mycom.Format(SQL_01,parms)
    Set objRS = myacc.ExecuteReader(myacc.CONN_STRING,SQL)
    If   Not objRS.EOF then
     Call mymod.SetVar(objRs("Id"),objRs("Content"),objRs("Re"),objRs("Addtime"),objRs("Ip"))
     Set GetGuest = mymod
    Else
     GetGuest = Null
    End If

   End Function

   '/// <summary>
   '/// 插入信息
   '/// </summary>
   '/// <param name="">信息体</param>
   Public Sub Insert(vmod)

    Dim parms,SQL
    parms = Array(vmod.Content,vmod.Re,vmod.Addtime,vmod.Ip)
    SQL   = mycom.Format(SQL_02,parms)
    Call myacc.ExecuteReader(myacc.CONN_STRING,SQL)

End Sub

   '/// <summary>
   '/// 更新信息
   '/// </summary>
   '/// <param name="">信息体</param>
   Public Sub Update(vmod)

    Dim parms,SQL
    parms = Array(vmod.Id,vmod.Content,vmod.Re,vmod.Addtime,vmod.Ip)
    SQL   = mycom.Format(SQL_03,parms)
    Call myacc.ExecuteReader(myacc.CONN_STRING,SQL)

End Sub

   '/// <summary>
   '/// 删除信息
   '/// </summary>
   '/// <param name="">信息体</param>
   Public Sub Delete(Id)

    Dim parms,SQL
    parms = Array(Id)
    SQL   = mycom.Format(SQL_04,parms)
    Call myacc.ExecuteNonQuery(myacc.CONN_STRING,SQL)

End Sub

   '/// <summary>
   '/// 统计信息
   '/// </summary>
   '/// <param name="">信息体</param>
   Public Function Count(WhereValue)

    Dim parms,SQL,objRS
    parms = Array(WhereValue)
    SQL   = mycom.Format(SQL_07,parms)
    Set objRS = myacc.Recordset(myacc.CONN_STRING,SQL)
    Count = objRS.RecordCount

End Function

   '/// <summary>
   '/// 根据条件列出所有信息(带有分页)
   '/// </summary>
   '/// <param name="PageSize">每页记录数</param>
   '/// <param name="CurrentPage">页码</param>
   '/// <param name="WhereValue">判断值</param>
   '/// <param name="OrderValue">排序</param>
   '/// <returns>返回objRS</returns>
   Public Function FindByPage(PageSize,CurrentPage,WhereValue,OrderValue)

    Dim parms,SQL,objRS
    Dim s1
    If CurrentPage="0" Then
     s1 =   PageSize & "|" + OrderValue & "|" & WhereValue
     parms = Split(s1,"|")
     SQL = mycom.Format(SQL_05,parms)
    Else
     s1 = PageSize & "|" & OrderValue & "|" + WhereValue & "|" & CurrentPage*PageSize
     parms = Split(s1,"|")
     SQL = mycom.Format(SQL_06,parms)
    End If

    Set objRS = myacc.ExecuteReader(myacc.CONN_STRING,SQL)
    Set FindByPage = objRS

   End Function

Private Sub Class_Initialize()

    SQL_01 = "Select * From [Guest] Where Id = {0}"
    SQL_02 = "Insert into [Guest] ([Content],[Re],[Addtime],[Ip]) values('{0}','{1}','{2}','{3}')"
    SQL_03 = "Update [Guest] Set [Content]='{1}',[Re]='{2}',[Addtime]='{3}',[Ip]='{4}' Where Id = {0}"
    SQL_04 = "Delete From [Guest] Where Id In ({0})"
    SQL_05 = "Select Top {0} * From [Guest] Where Content Like '%{2}%' Order By {1} Desc,Id Desc"
    SQL_06 = "Select Top {0} * From [Guest] Where Content Like '%{2}%' And Id Not IN(Select Top {3} Id From [Guest] Where Content Like '%{2}%' Order By {1} Desc,Id Desc) Order By {1} Desc,Id Desc"
    SQL_07 = "Select * From [Guest] Where Content Like '%{0}%' "

    Set mycom = new Common
    Set myacc = new AccHelper
    Set mymod = new MOD_Guest

End Sub

Private Sub Class_Terminate()

    Set mycom = Nothing
    Set myacc = Nothing
    Set mymod = Nothing

End Sub

End Class
%>

MOD_Guest.asp
<%
'/// <summary>
'/// 摘要说明。
'/// </summary>
Class MOD_Guest

   Public Id
   Public Content
   Public Re
   Public Addtime
   Public Ip

   Public Sub SetVar(vId,vContent,vRe,vAddtime,vIp)
    Id=vId
    Content=vContent
    Re=vContent
    Addtime=vAddtime
    Ip=vIp
   End Sub

End Class
%>

Common.asp
<%
'/// <summary>
'/// 摘要说明
'/// </summary>
Class Common

   '/// <summary>
   '/// 获得信息
   '/// </summary>
   '/// <param name="Id">需要内容</param>
   '/// <param name="Id">替换关键字</param>
   '/// <returns>格式化后内容</returns>
   Public Function Format(str,arr)

    Dim r,i
    r = str
    For i = 0 To UBound(arr)
     r = Replace(r,"{"&i&"}",arr(i))
    Next
    Format = r

End Function

   Public Function Page(PageSize,CurrentPage,RecordCount,PageUrl)

    const C_RECORDCOUNT = "合计<STRONG><FONT color=""red"">{0}</FONT></STRONG>篇 |"
    const C_FIRSTPAGE1 = " <a href=""#"" onclick=""$('{0}&PageNo={1}')"">首页</a>"
    const C_FIRSTPAGE2 = " 首页"
    const C_PREVPAGE1 = " <a href=""#"" onclick=""$('{0}&PageNo={1}')"">上一页</a>"
    const C_PREVPAGE2 = " 上一页"
    const C_NEXTPAGE1 = " <a href=""#"" onclick=""$('{0}&PageNo={1}')"">下一页</a>"
    const C_NEXTPAGE2 = " 下一页"
    const C_LASTPAGE1 = " <a href=""#"" onclick=""$('{0}&PageNo={1}')"">尾页</a>"
    const C_LASTPAGE2 = " 尾页"
    const C_CURRENTPAGE = " 页次：<STRONG><FONT color=""red"">{0}</FONT>/{1}</STRONG>页"
    const C_PAGESIZE = " <STRONG>{0}</STRONG>篇/页  "
    const C_GOTOPAGE = " 跳转：<input type=""text"" name=""goto"" value=""{1}"" onchange=""$('{0}&PageNo='+this.value)"" style=""width:20px;border:1px""/>  "

    Dim PageCount,pages
    Dim lRecordCount,lFirstpage,lPrevpage,lNextpage,lLastpage,lCurrentpage,lPagesize,lGotopage
    Dim p,parms

    If RecordCount Mod PageSize <> 0 Then
     pages = 1
    else
     pages = 0
    End If
    PageCount=CInt(RecordCount/PageSize + pages)

    parms=Array(RecordCount)
    lRecordCount = Format(C_RECORDCOUNT,parms)

    if CInt(CurrentPage)>1 Then
     parms=Array(Pageurl,1)
     lFirstpage = Format(C_FIRSTPAGE1,parms)
     parms=Array(Pageurl,CInt(CurrentPage)-1)
     lPrevpage = Format(C_PREVPAGE1,parms)
    Else
     lFirstpage=C_FIRSTPAGE2
     lPrevpage=C_PREVPAGE2
    End If

    if CInt(CurrentPage)<PageCount Then
     parms=Array(Pageurl,CInt(CurrentPage)+1)
     lNextpage = Format(C_NEXTPAGE1,parms)
     parms=Array(Pageurl,CInt(CurrentPage)+1)
     lLastpage = Format(C_LASTPAGE1,parms)
    Else
     lNextpage=C_NEXTPAGE2
     lLastpage=C_LASTPAGE2
    End If

    parms=Array(CurrentPage,PageCount)
    lCurrentpage = Format(C_CURRENTPAGE,parms)
    parms=Array(PageSize)
    lPagesize = Format(C_PAGESIZE,parms)
    parms=Array(Pageurl,CurrentPage)
    lGotopage = Format(C_GOTOPAGE,parms)

    p=lRecordCount&lFirstpage&lPrevpage&lNextpage&lLastpage&lCurrentpage&lPagesize&lGotopage
    Page = p

End Function

End Class
%>

AccHelper.asp
<%
'/// <summary>
'/// AccHelper 的摘要说明。
'/// </summary>
Class AccHelper

Public CONN_STRING

   '/// <summary>
   '/// 执行ExecuteNonQuery
   '/// </summary>
   '/// <param name="connString">连接字符</param>
   '/// <param name="cmdText">sql命令</param>
   Public Function ExecuteNonQuery(connString,cmdText)

    Dim objConn
    Set objConn = Server.CreateObject("ADODB.Connection")
    objConn.Open connString
    objConn.Execute(cmdText)

End Function

   '/// <summary>
   '/// 执行ExecuteReader
   '/// </summary>
   '/// <param name="connString">连接字符</param>
   '/// <param name="cmdText">sql命令</param>
   '/// <returns>RS</returns>
   Public Function ExecuteReader(connString,cmdText)

    Dim objConn,objRS
    Set objConn = Server.CreateObject("ADODB.Connection")
    objConn.Open connString
    Set objRS = objConn.Execute(cmdText)
    Set ExecuteReader = objRS

End Function

   '/// <summary>
   '/// 执行Recordset
   '/// </summary>
   '/// <param name="connString">连接字符</param>
   '/// <param name="cmdText">sql命令</param>
   '/// <returns>RS</returns>
   Public Function Recordset(connString,cmdText)

    Dim objConn,objRS
    Set objConn = Server.CreateObject("ADODB.Connection")
    objConn.Open connString
    Set objRS = Server.CreateObject("ADODB.RecordSet")
    objRS.Open cmdText,objConn,1,3
    Set Recordset = objRS

End Function

   Private Sub Class_Initialize()
    CONN_STRING = "provider = microsoft.jet.oledb.4.0;data source=" & Server.Mappath("db.mdb")
   End Sub

End Class
%>

posted on 2008-04-02 23:00 影子阅读(52) 评论(0) 编辑收藏所属分类: 学习笔记

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