其实我没太看明白楼主的意思,是想实现这样的效果吗?<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>add</title>
<script>
function check() {
var form = document.forms[0];
if (form.mac.value == '') {
alert('请填写MAC');
form.mac.focus();
return false;
}
if (form.uuid.value == '') {
alert('请填写UUID');
form.uuid.focus();
return false;
}
return true;
}
</script>
</head>
<body>
<form action="xxx" onsubmit="return check()">
MAC:<input type="text" name="mac" />
UUID:<input type="text" name="uuid" />
<input type="submit" value="添加" />
</form>
</body>
</html>
<html>
<head>
<meta charset="utf-8" />
<title>add</title>
<script>
function check() {
var form = document.forms[0];
if (form.mac.value == '') {
alert('请填写MAC');
form.mac.focus();
return false;
}
if (form.uuid.value == '') {
alert('请填写UUID');
form.uuid.focus();
return false;
}
return true;
}
</script>
</head>
<body>
<form action="xxx" onsubmit="return check()">
MAC:<input type="text" name="mac" />
UUID:<input type="text" name="uuid" />
<input type="submit" value="添加" />
</form>
</body>
</html>
试试