说明和代码如下:
<%@ language = vbscript%> <% Response.Expires = 0 %> <HTML> <HEAD> <TITLE>精彩春风之动态添加Form项</TITLE> </HEAD> <BODY> <% If Request("Action") = "提交列表" Then Response.Write "<B>提交的项:</B><BR>"
' 显示敲入的内容 nItems = Request.Form("Items").Count For i = 1 To nItems Response.Write Request.Form("Items")(i) & "<BR>"
' 显示提交的项 Next Response.Write Request("Item") & "<BR>" Else ' 为所有的项创建Form
%> <FORM Action=dynaform.asp Method=Post> <B>项:</B><BR> <% nItems = Request.Form("Items").Count For i = 1 To nItems Response.Write "<INPUT Type=Text Name=Items Value=""" & _ Trim(Request.Form("Items")(i)) & """><BR>"
' 显示前面已提交的项 Next
If Request.Form("Item") <> "" Then Response.Write "<INPUT Type=Text Name=Items Value=""" & _ Trim(Request.Form("Item")) & """><BR>"
' 保存已输入的项,再生成一个新的输入框
Response.Write "<P>请输入项,并点击"添加项到列表"按钮提交<BR>" Response.Write "<INPUT Type=Text Size=50 Name=Item Value="""""">" Else Response.Write "<P>请输入项,并点击"添加项到列表"按钮提交Please enter an Item,<BR>" Response.Write "<INPUT Type=Text Size=40 Name=Item Value=""""""><BR>"
' 如果没有项提交,就不显示错误信息
End If %> <P> <INPUT Type="Submit" Name="Action" Value="添加项到列表Add Item to List"> <INPUT Type="Submit" Name="Action" Value="提交列表Submit the List"> <BR> <% End If %>
</FORM> </BODY> </HTML> |