提示：您可以先修改部分代碼再運行
<%@ Page Language="C#" %><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><script runat="server"></script><html xmlns="http://www.w3.org/1999/xhtml"><head runat="server"> <title></title> <script type="text/javascript"> function strDateTime(str) { var r = str.match(/^(d{1,4})(-|/)(d{1,2})2(d{1,2})$/); if (r == null) return false; var d = new Date(r[1], r[3] - 1, r[4]); return (d.getFullYear() == r[1] && (d.getMonth() + 1) == r[3] && d.getDate() == r[4]); } function btnValidate_onclick() { var strfrom = document.getElementById("txtfrom").value; var strto = document.getElementById("txtto").value; if (!strDateTime(strfrom) && strDateTime(strto)) { alert("the date format is not valid"); } else { if (DateDiff(strto, strfrom) > 180) {//180 days alert("the date span is too big:" + DateDiff(strto, strfrom)); return false; } else { return true; } } } function DateDiff(sDate1, sDate2) { var aDate, oDate1, oDate2, iDays aDate = sDate1.split("-") oDate1 = new Date(aDate[1] + '-' + aDate[2] + '-' + aDate[0]) aDate = sDate2.split("-") oDate2 = new Date(aDate[1] + '-' + aDate[2] + '-' + aDate[0]) iDays = parseInt(Math.abs(oDate1 - oDate2) / 1000 / 60 / 60 / 24) return iDays } </script></head><body > <form id="form1" runat="server"> <div> </div> </form> <p> From: <input id="txtfrom" type="text" />(format: 2009-07-12)</p> <p> To: <input id="txtto" type="text" /></p> <p> <input id="btnValidate" type="button" value="Validate" onclick="return btnValidate_onclick()" /></p></body></html></td> </tr></table>
提示：您可以先修改部分代碼再運行
