asp简单的ajax留言板

复制代码代码如下:

<%
option explicit
%>

<%
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()
%>
客户留言

BLL_Guest.asp
<%
‘///

‘/// 摘要说明。
‘///

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 = “删除”
    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 = “

{0} {1}
作者:{2} {3} {4}

” & vbCrLf
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
<%
‘///

‘/// 摘要说明。
‘///

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

‘///

‘/// 获得信息
‘///

  ‘/// 判断字段
  ‘/// 信息体
  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

‘///

‘/// 插入信息
‘///

‘/// 信息体
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

‘///

‘/// 更新信息
‘///

‘/// 信息体
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

‘///

‘/// 删除信息
‘///

‘/// 信息体
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

‘///

‘/// 统计信息
‘///

‘/// 信息体
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

‘///

‘/// 根据条件列出所有信息(带有分页)
‘///

  ‘/// 每页记录数
  ‘/// 页码
  ‘/// 判断值
  ‘/// 排序
  ‘/// 返回objRS
  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
<%
‘///

‘/// 摘要说明。
‘///

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
<%
‘///

‘/// 摘要说明
‘///

Class Common

‘///

‘/// 获得信息
‘///

  ‘/// 需要内容
  ‘/// 替换关键字
  ‘/// 格式化后内容
  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{0}篇|”
   const C_FIRSTPAGE1 = “首页”
   const C_FIRSTPAGE2 = “首页”
   const C_PREVPAGE1 = “上一页”
   const C_PREVPAGE2 = “上一页”
   const C_NEXTPAGE1 = “下一页”
   const C_NEXTPAGE2 = “下一页”
   const C_LASTPAGE1 = “尾页”
   const C_LASTPAGE2 = “尾页”
   const C_CURRENTPAGE = “页次：{0}/{1}页”
   const C_PAGESIZE = “{0}篇/页”
   const C_GOTOPAGE = “跳转：”

   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
<%
‘///

‘/// AccHelper 的摘要说明。
‘///

Class AccHelper

Public CONN_STRING

‘///

‘/// 执行ExecuteNonQuery
‘///

  ‘/// 连接字符
  ‘/// sql命令
  Public Function ExecuteNonQuery(connString,cmdText)

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

End Function

‘///

‘/// 执行ExecuteReader
‘///

  ‘/// 连接字符
  ‘/// sql命令
  ‘/// RS
  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

‘///

‘/// 执行Recordset
‘///

  ‘/// 连接字符
  ‘/// sql命令
  ‘/// RS
  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
%>

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