利用ON ERROR RESUME NEXT来验证日期的输入
类别: ASP教程 
刚才又有人问到用JavaScript来验证日期，回想起自己写了一堆函数来验证日期，而且还没有涉及到闰年的问题，近来看
到ASP 3.0关于On Error Resume Next的用法，灵机一动，嘿嘿……。真爽呀！
<%
Option Explicit
Dim strDate \'记录输入的日期，字符型
Dim datDate \'测试输入的日期是否正确，日期型<html>
%>
<head>
<title>日期选择</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<link rel="stylesheet" href="../Css/export.css" type="text/css">
</head>
<body bgcolor="#FFFFFF" text="#000000">
<Form name="InputDate" ACTION="<% = Request.ServerVariables("SCRIPT_NAME") %>" METHOD="POST">
<table width="500" border="1" cellpadding="0" cellspacing="0" align="center">
<tr>
<td background="../Pic/br.jpg">
<table width="500" border="0" cellpadding="4" cellspacing="4" class="9p">
<tr>
<td colspan="2"> </td>
</tr>
<tr>
<td colspan="2" height="60">
<div align="center">请输入所要查询的日期：
<input type="text" name="strDate" value="<% = Cstr(Year(Now())) & "-" & Cstr(Month(Now()))
& "-" & Cstr(Day(Now()))%>" size="10" maxlength="10">
</div>
</td>
</tr>
<tr>
<td width="50%">
<div align="center">
<input type="submit" name="Submit" value="确 认">
</div>
</td>
<td>
<div align="center">
<input type="reset" name="Submit2" value="取 消">
</div>
</td>
</tr>
</table>
</td>
</tr>
</table>
</Form>
<%
strDate = Request.Form("strDate")
If strDate <> "" Then
On Error Resume Next
datDate = CDate(strDate)
If Err.Number = 0 Then
%>
<Script Language="JavaScript">
<!--
InputDate.action="TypeAlert.asp"
InputDate.submit()
//-->
</Script>
<%
Else
%>
<Script Language="JavaScript">
<!--
alert ("你输入的日期不正确，请重新输入！")
//-->
</Script>
<%
End If
End If
%>
</body>
</html>
到ASP 3.0关于On Error Resume Next的用法，灵机一动，嘿嘿……。真爽呀！
<%
Option Explicit
Dim strDate \'记录输入的日期，字符型
Dim datDate \'测试输入的日期是否正确，日期型<html>
%>
<head>
<title>日期选择</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<link rel="stylesheet" href="../Css/export.css" type="text/css">
</head>
<body bgcolor="#FFFFFF" text="#000000">
<Form name="InputDate" ACTION="<% = Request.ServerVariables("SCRIPT_NAME") %>" METHOD="POST">
<table width="500" border="1" cellpadding="0" cellspacing="0" align="center">
<tr>
<td background="../Pic/br.jpg">
<table width="500" border="0" cellpadding="4" cellspacing="4" class="9p">
<tr>
<td colspan="2"> </td>
</tr>
<tr>
<td colspan="2" height="60">
<div align="center">请输入所要查询的日期：
<input type="text" name="strDate" value="<% = Cstr(Year(Now())) & "-" & Cstr(Month(Now()))
& "-" & Cstr(Day(Now()))%>" size="10" maxlength="10">
</div>
</td>
</tr>
<tr>
<td width="50%">
<div align="center">
<input type="submit" name="Submit" value="确 认">
</div>
</td>
<td>
<div align="center">
<input type="reset" name="Submit2" value="取 消">
</div>
</td>
</tr>
</table>
</td>
</tr>
</table>
</Form>
<%
strDate = Request.Form("strDate")
If strDate <> "" Then
On Error Resume Next
datDate = CDate(strDate)
If Err.Number = 0 Then
%>
<Script Language="JavaScript">
<!--
InputDate.action="TypeAlert.asp"
InputDate.submit()
//-->
</Script>
<%
Else
%>
<Script Language="JavaScript">
<!--
alert ("你输入的日期不正确，请重新输入！")
//-->
</Script>
<%
End If
End If
%>
</body>
</html>
