使用javascript+正则表达式判断输入日期是否为yyyy-mm-dd
<html>
<head>
<script>
//函数名：CheckDateTime
//功能介绍：检查是否为日期时间
function validate(str){
if(!/^19\d\d-[0-1]\d-[0-3]\d+$/.test(form.birth.value)&&!/^20\d\d-[0-1]\d-[0-3]\d+$/.test(form.birth.value)){
alert("wrong");
return false;
}
else{
alert("right");
return true;
}
}
</script>
</head>
<body>
<form name="form" onsubmit="return validate(this.birth.value);">
<input type="text" name="birth"/>
<input type="submit" value="submit"/>
</form>
</body>
</html>
<html>
<head>
<script>
//函数名：CheckDateTime
//功能介绍：检查是否为日期时间
function validate(str){
var reg = /^(\d+)-(\d{1,2})-(\d{1,2}) (\d{1,2}):(\d{1,2}):(\d{1,2})$/;
var r = str.match(reg);
if(r==null) {alert("wrong");return false};
r[2]=r[2]-1;
var d= new Date(r[1], r[2],r[3], r[4],r[5], r[6]);
if(d.getFullYear()!=r[1]){alert("wrong");return false};
if(d.getMonth()!=r[2]){alert("wrong");return false};
if(d.getDate()!=r[3]){alert("wrong");return false};
if(d.getHours()!=r[4]){alert("wrong");return false};
if(d.getMinutes()!=r[5]){alert("wrong");return false};
if(d.getSeconds()!=r[6]){alert("wrong");return false};
alert("right");return false;
}
</script>
</head>
<body>
<form name="form" onsubmit="return validate(this.birth.value);">
<input type="text" name="birth"/>
<input type="submit" value="submit"/>
</form>
</body>
</html>