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<script>
//È¥³ý×Ö·û´®Ê×β¿Õ¸ñ
String.prototype.trim = function()
{
return this.replace(/(^\s*)|(\s*$)/g, "");
}
//ÑéÖ¤ÊÇ·ñΪÈÕÆÚ
function validator(){
if(isDate(document.all.demo1.value.trim())==false){
document.all.demo1.select();
return false;
}
}
/**
ÅжÏÊäÈë¿òÖÐÊäÈëµÄÈÕÆÚ¸ñʽÊÇ·ñΪ yyyy-mm-dd »òyyyy-m-d
*/
function isDate(dateString){
if(dateString.trim()=="")return true;
//ÄêÔÂÈÕÕýÔò±í´ïʽ
var r=dateString.match(/^(\d{1,4})(-|\/)(\d{1,2})\2(\d{1,2})$/);
if(r==null){
alert("ÇëÊäÈë¸ñʽÕýÈ·µÄÈÕÆÚ\n\rÈÕÆÚ¸ñʽ£ºyyyy-mm-dd\n\rÀý È磺2008-08-08\n\r");
return false;
}
var d=new Date(r[1],r[3]-1,r[4]);
var num = (d.getFullYear()==r[1]&&(d.getMonth()+1)==r[3]&&d.getDate()==r[4]);
if(num==0){
alert("ÇëÊäÈë¸ñʽÕýÈ·µÄÈÕÆÚ\n\rÈÕÆÚ¸ñʽ£ºyyyy-mm-dd\n\rÀý È磺2008-08-08\n\r");
}
return (num!=0);
}
</script>
²âÊÔÊÇ·ñΪÄêÔÂÈÕʱ¼ä¸ñʽ
<input type='text' name='demo1' >
<br>
<input type='button' name='demo2' value="È·¶¨" onclick="validator()" >
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2¡¢ÅжÏÊÇ·ñΪÄêÔÂÈÕʱ·ÖÃëʱ¼ä¸ñʽ
<script>
//È¥³ý×Ö·û´®Ê×β¿Õ¸ñ
String.prototype.trim = function()
{
return this.replace(/(^\s*)|(\s*$)/g, "");
}
//ÑéÖ¤ÊÇ·ñΪÈÕÆÚ
function validator(){
if(isDate(document.all.demo1.value.trim())==false){
document.all.demo1.select();
return fals
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