ASP類Class入門 推薦

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''聲明一個(gè)名為myclass的類 
Class myclass

Private a1,b1

''類的初始化
Private Sub Class_Initialize
a1=0
b1=0
End Sub 

''定義一個(gè)屬性
Public Property Let width(ax)
a1=ax
End Property

''定義另個(gè)一個(gè)屬性
Public Property Let height(bx)
b1=bx
End Property

''計(jì)算兩個(gè)屬性值的結(jié)果，得到一個(gè)新的屬性
Public Property Get area
area=b1*a1
End Property

End Class

Set tianya=New myclass ''定義一個(gè)名為tianya的對(duì)象myclass的實(shí)例
tianya.width=50
tianya.height=60
response.write tianya.area
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Class userclass
Private id,name,content

Private Sub Class_Initialize()   '類的初始化,連接數(shù)據(jù)庫(kù)
username=""
usercontent=""
end sub

'以下設(shè)置類的幾個(gè)屬性
Public Property Let userid(vNewvalue)
id=Cint(vNewvalue)
End Property

Public Property Get userid
userid=id
End Property


Public Property Let username(vNewvalue)
name=vNewvalue
End Property

Public Property Get username
username=name
End Property

Public Property Let usercontent(vNewvalue)
content=vNewvalue
End Property

Public Property Get usercontent
usercontent=content
End Property

'添加記錄
Public sub adduser()
if username > "" and usercontent > "" then
Set rs = Server.Createobject("adodb.Recordset")
SQL="Select * From user"
rs.Open SQL,Conn,1,3
rs.AddNew
rs("name") = username
rs("Content") = usercontent
rs.Update
rs.Close
Set rs = Nothing
Response.write "添加記錄成功!"
end if
end sub


'顯示一條記錄
Public sub showuser()
set rs=server.createobject("adodb.recordset")
sql="select * from user where id="  userid
rs.open sql,conn,1,3
username=rs("name")
usercontent=rs("content")
rs.close
end sub

'編輯記錄
Public sub edit()
set rs=server.createobject("adodb.recordset")
sql="select * from user where id="  userid
rs.open sql,conn,1,1
username=rs("name")
usercontent=rs("content")
rs.close
end sub

'保存編輯
Public sub saveedit()
set rs=server.createobject("adodb.recordset")
sql="select * from user where id ="  userid
rs.open sql,conn,1,3
rs("name")=username
rs("content")=usercontent
rs.update
rs.close
Response.write "更新記錄成功!"
end sub

'刪除記錄
public sub deluser()
set rs=server.createobject("adodb.recordset")
sql="delete from user where id=" userid
rs.open sql,conn,1,1
set rs=nothing
Response.write "刪除記錄成功!"
end sub

'挑戰(zhàn)分頁(yè)顯示~~！！
public sub list(n)
dim page 
page=request("page") 
PageSize = n
dim rs,strSQL,news 
strSQL ="SELECT * FROM user ORDER BY id DESC" 

Set rs = Server.CreateObject("ADODB.Recordset") 
rs.open strSQL,Conn,3,3 
rs.PageSize = PageSize 
totalfilm=rs.recordcount 
pgnum=rs.Pagecount 
if page="" or clng(page)1 then page=1 
if clng(page) > pgnum then page=pgnum 
if pgnum>0 then rs.AbsolutePage=page 

if rs.eof then 
response.write "font color='#003366' class='3dfont'>沒有記錄!/font>" 
else 
count=0
do while not (rs.eof or rs.bof) and countrs.PageSize
with response
.write "table>tr>td> "
.write rs("id")" "
.write "a href=show.asp?id="rs("id")">"
.write rs("name")
.write "/a> "
.write "內(nèi)容: "rs("content")
.write "/td>/tr>/table>"
end with
rs.movenext
count=count+1
loop
end if
with response
.write "table>tr>td> 共b>"
.write rs.pagecount
.write "/b>頁(yè)"
for i=1 to rs.pagecount
.write " a href=list.asp?page="i">"
.write i
.write "/a>"
next
rs.close
set rs=nothing
.write "/td>/tr>/table>"
end with
end sub


'類退出后,作清理工作
Private Sub class_terminate()
If IsObject(Conn) Then Conn.Close:Set Conn = Nothing
End Sub 
End Class
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