asp簡單的ajax留言板(採用三層模式)

好久沒有寫過asp了,這回寫個留言板還真覺得有點難度,競然寫了整整一天,哈哈.
就只有留言其它的都什麼也沒寫,採用三層結構(不知道算不算,本來對三層的概念很糊塗)

示範www.zj55.com的留言板,希望各位大哥大姐如果發現有漏洞的話請在這裡告訴我,千萬不要黑我的網站,在這裡小弟先謝過了.

index.asp
<%@ codepage=65001%>
<%
option explicit
%>
<% Response.Charset="utf-8"%>
<% Session.CodePage=65001 %>
<!-- #include file="AccHelper.asp" -->
<!-- #include file="Common.asp"-->
<!-- #include file="DAL_Guest.asp" -->
<!-- #include file="MOD_Guest.asp" -->
<!-- #include file="BLL_Guest.asp" -->
<%
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>客戶留言</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>
'/// 摘要說明。
'/// </summary>
Class BLL_Guest

Private mycom,mymod,mydal

Private LI,UL

Private DEL

'擷取資訊
Public Sub GetGuest()

mydal.GetGuest(Id)

End Sub

'新增資訊
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

'更新資訊
Public Sub Update()

Call mydal.Update(mymod)

End Sub

'刪除資訊
Public Sub Delete()

mydal.Delete(Request("Id"))

End Sub

'尋找資訊
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")&""">刪除</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>
'/// 摘要說明。
'/// </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>
'/// 獲得資訊
'/// </summary>
'/// <param name="Id">判斷欄位</param>
'/// <returns>資訊體</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>
'/// 插入資訊
'/// </summary>
'/// <param name="">資訊體</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>
'/// 更新資訊
'/// </summary>
'/// <param name="">資訊體</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>
'/// 刪除資訊
'/// </summary>
'/// <param name="">資訊體</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>
'/// 統計資訊
'/// </summary>
'/// <param name="">資訊體</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>
'/// 根據條件列出所有資訊(帶有分頁)
'/// </summary>
'/// <param name="PageSize">每頁記錄數</param>
'/// <param name="CurrentPage">頁碼</param>
'/// <param name="WhereValue">判斷值</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>
'/// 摘要說明。
'/// </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>
'/// 摘要說明
'/// </summary>
Class Common

'/// <summary>
'/// 獲得資訊
'/// </summary>
'/// <param name="Id">需要內容</param>
'/// <param name="Id">替換關鍵字</param>
'/// <returns>格式化後內容</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 = "合計<STRONG><FONT color=""red"">{0}</FONT></STRONG>篇 |"
const C_FIRSTPAGE1 = " <a href=""#"" onclick=""$('{0}&PageNo={1}')"">首頁</a>"
const C_FIRSTPAGE2 = " 首頁"
const C_PREVPAGE1 = " <a href=""#"" onclick=""$('{0}&PageNo={1}')"">上一頁</a>"
const C_PREVPAGE2 = " 上一頁"
const C_NEXTPAGE1 = " <a href=""#"" onclick=""$('{0}&PageNo={1}')"">下一頁</a>"
const C_NEXTPAGE2 = " 下一頁"
const C_LASTPAGE1 = " <a href=""#"" onclick=""$('{0}&PageNo={1}')"">尾頁</a>"
const C_LASTPAGE2 = " 尾頁"
const C_CURRENTPAGE = " 頁次：<STRONG><FONT color=""red"">{0}</FONT>/{1}</STRONG>頁"
const C_PAGESIZE = " <STRONG>{0}</STRONG>篇/頁 "
const C_GOTOPAGE = " 跳轉：<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 的摘要說明。
'/// </summary>
Class AccHelper

Public CONN_STRING

'/// <summary>
'/// 執行ExecuteNonQuery
'/// </summary>
'/// <param name="connString">串連字元</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>
'/// 執行ExecuteReader
'/// </summary>
'/// <param name="connString">串連字元</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>
'/// 執行Recordset
'/// </summary>
'/// <param name="connString">串連字元</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
%>
ajax.js

複製代碼 代碼如下:var http_request = false;

function makeRequest(obj,url) {

http_request = false;

if (window.XMLHttpRequest) { // Mozilla, Safari,...
http_request = new XMLHttpRequest();
if (http_request.overrideMimeType) {
http_request.overrideMimeType('text/xml');
}
} else if (window.ActiveXObject) { // IE
try {
http_request = new ActiveXObject("Msxml2.XMLHTTP");
} catch (e) {
try {
http_request = new ActiveXObject("Microsoft.XMLHTTP");
} catch (e) {}
}
}

if (!http_request) {
alert('Giving up Cannot create an XMLHTTP instance');
return false;
}

http_request.onreadystatechange = function()
{
if (http_request.readyState == 4) {
if (http_request.status == 200) {
updateObj(obj,http_request.responseText);
}
else
{
updateObj(obj,"");
}
}
}
http_request.open('GET', url, true);
http_request.send(null);
}

function updateObj(obj,data){
obj.innerHTML = data;
}
function $(url){
var obj = document.getElementById("content");
obj.style.display='block';
document.getElementById("container").style.margin="10px auto 0px";
obj.innerHTML = "Loading…";
makeRequest(obj,url);
}

html調用方法：複製代碼 代碼如下:<a href="#" onclick="$('news.html')">新聞</a><a href="#" onclick="$('product.html')">產品</a><a href="#" onclick="$('case.html')">案例</a><a href="#" onclick="$('contact.html')">聯絡</a><a href="http://zj55com.cnblogs.com/" target="_blank">部落格</a>