引用插件验证
<script src="js/jquery-3.4.0.js"></script>
<script src="js/jquery.validate.js"></script>
<script src="js/messages_zh.js"></script>
代码
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>表单验证</title>
<style>
form{
border: 1px solid black;
margin: auto;
width: 1000px;
height: 600px;
}
label{
text-align: right;
display: inline-block;
height: 50px;
width: 200px;
}
</style>
<script src="js/jquery-3.4.0.js"></script>
<script src="js/jquery.validate.js"></script>
<script src="js/messages_zh.js"></script>
<script>
$(function () {
$("form").validate({
rules:{
user:{
minlength:2,
required:"true"
},
pwd:{
minlength:4,
required:"true"
},
repwd:{
equalTo:("#pwd")
}
},
manage:{
user:{
minlength:"你是一个小气的人"
},
pwd:{
minlength:"你是一个小气的人"
},
repwd:{
equalTo:"放大你的眼"
}
}
}
)
})
</script>
</head>
<body>
<form action="01二级联动.html" method="get">
<label for="user">用户名</label>
<input type="text" name="user" id="user"><br>
<label for="pwd">密码</label>
<input type="password" name="pwd" id="pwd"><br>
<label for="repwd">确认密码</label>
<input type="password" name="repwd" id="repwd"><br>
<input type="submit" value="提交" >
</form>
</body>
</html>