<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="IE=Edge,chrome=1">
<title>表单验证</title>
<link rel="stylesheet" href="https://cdn.bootcss.com/bootstrap/4.0.0/css/bootstrap.min.css" integrity="sha384-Gn5384xqQ1aoWXA+058RXPxPg6fy4IWvTNh0E263XmFcJlSAwiGgFAW/dAiS6JXm" crossorigin="anonymous">
<script src="https://cdn.bootcss.com/jquery/3.2.1/jquery.slim.min.js" integrity="sha384-KJ3o2DKtIkvYIK3UENzmM7KCkRr/rE9/Qpg6aAZGJwFDMVNA/GpGFF93hXpG5KkN" crossorigin="anonymous"></script>
<script src="https://cdn.bootcss.com/popper.js/1.12.9/umd/popper.min.js" integrity="sha384-ApNbgh9B+Y1QKtv3Rn7W3mgPxhU9K/ScQsAP7hUibX39j7fakFPskvXusvfa0b4Q" crossorigin="anonymous"></script>
<script src="https://cdn.bootcss.com/bootstrap/4.0.0/js/bootstrap.min.js" integrity="sha384-JZR6Spejh4U02d8jOt6vLEHfe/JQGiRRSQQxSfFWpi1MquVdAyjUar5+76PVCmYl" crossorigin="anonymous"></script>
<script type="text/javascript">
$(function () {
$("#form-demo").submit(function(event){
const f=$(this)
if(f[0].checkValidity()===false){
event.preventDefault()
event.stopPropagation()
}
f.addClass("was-validated")
})
})
</script>
</head>
<body>
<div class="container" style="margin-top: 200px;">
<form action="" novalidate id="form-demo">
<div class="form-group">
<input type="text" class="form-control" required="required" placeholder="请输入用户名" pattern="[A-Za-z0-9]{6,30}">
<div class="invalid-feedback"><small>请输入用户名6-30位字母或数字！</small></div>
</div>
<div class="form-group">
<input type="text" class="form-control" required="required" pattern="[A-Za-z0-9]{6,30}" placeholder="请输入密码">
<div class="invalid-feedback">密码长度至少为六位,只能是大小写字母或数字！</div>
</div>
<div class="form-group">
<input type="text" class="form-control" required="required" pattern="[\u4e00-\u9fa5]{2,}" placeholder="请输入真实姓名">
<div class="invalid-feedback">必须是中文，且长度不小于2位！</div>
</div>
<div class="form-group">
<input type="text" class="form-control" required="required" pattern="1[34578]\d{9}$" placeholder="请输入手机号码">
<div class="invalid-feedback">手机号只能是11位的数字！</div>
</div>
<div class="form-group">
<input type="email" class="form-control" required="required" placeholder="输入邮箱">
<div class="invalid-feedback">邮箱地址格式不正确！</div>
</div>
<button class="btn btn-primary" type="submit">提交</button>
</form>
</div>
</body>
</html>
表单验证有提示语
<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<!-- 上述3个meta标签*必须*放在最前面，任何其他内容都*必须*跟随其后！ -->
<title>表单验证</title>
<!-- Bootstrap core CSS -->
<link href="https://cdn.bootcss.com/bootstrap/4.0.0/js/bootstrap.min.js" rel="stylesheet">
<link rel="stylesheet" href="https://cdn.bootcss.com/bootstrap/4.0.0/css/bootstrap.min.css" integrity="sha384-Gn5384xqQ1aoWXA+058RXPxPg6fy4IWvTNh0E263XmFcJlSAwiGgFAW/dAiS6JXm" crossorigin="anonymous">
</head>
<body>
<div class="main" style="width: 80%; margin: 50px auto;">
<h2>用户信息 表单验证</h2>
<form id="updateform">
<div class="form-group">
<label for="loginname" class="control-label">用户名:</label>
<input type="text" class="form-control" id="loginname" name="loginname">
</div>
<div class="form-group">
<label for="email" class="control-label">Email:</label>
<input type="text" class="form-control" id="email" name="email">
</div>
<div class="form-group">
<label for="password" class="control-label">密码:</label>
<input type="password" class="form-control" id="password" name="password">
</div>
<div class="form-group">
<label for="repassword" class="control-label">确认密码:</label>
<input type="password" class="form-control" id="repassword" name="repassword">
</div>
<div class="form-group">
<label for="phone" class="control-label">手机号码:</label>
<input type="text" class="form-control" id="phone" name="phone">
</div>
<div class="form-group">
<label for="address" class="control-label">收货地址:</label>
<textarea class="form-control" id="address" name="address"></textarea>
</div>
<div class="text-right">
<span id="returnMessage" class="glyphicon"> </span>
<!-- <button id="submitBtn" type="button" class="btn btn-primary">提交</button> -->
<button type="submit" id="submitBtn" class="btn btn-primary">注册</button>
<button type="reset" class="btn btn-default">重置</button>
</div>
</form>
</div>
<script src="https://cdn.bootcss.com/jquery/3.2.1/jquery.slim.min.js"></script>
<script src="https://cdn.bootcss.com/bootstrap/4.0.0/js/bootstrap.min.js"></script>
<script src="https://cdn.bootcss.com/bootstrap-validator/0.5.3/js/bootstrapValidator.js"></script>
<script type='text/javascript'>
var form = $('#updateform');
$(document).ready(function() {
form.bootstrapValidator({
message: '输入值不合法',
feedbackIcons: { //提示图标
valid: 'glyphicon glyphicon-ok',
invalid: 'glyphicon glyphicon-remove',
validating: 'glyphicon glyphicon-refresh'
},
fields: {
loginname: {
message: '用户名不合法',
validators: {
notEmpty: {
message: '用户名不能为空'
},
stringLength: {
min: 2,
max: 20,
message: '请输入2到20个字符'
},
regexp: {
regexp: /^[a-zA-Z0-9_\. \u4e00-\u9fa5 ]+$/,
message: '用户名只能由字母、数字、点、下划线和汉字组成 '
}
}
},
email: {
validators: {
notEmpty: {
message: 'email不能为空'
},
emailAddress: {
message: '请输入正确的邮件地址如：123@qq.com'
}
}
},
password: {
message: '以字母开头，长度在6-12之间，必须包含数字和特殊字符。',
validators: {
notEmpty: {
message: '密码不能为空'
},
stringLength: {
min: 6,
max: 12,
message: '请输入6到12个字符'
},
identical: { //相同
field: 'password',
message: '两次密码不一致'
},
different: { //不能和用户名相同
field: 'username',
message: '不能和用户名相同'
},
regexp: {
regexp: /^[a-zA-Z][a-zA-Z0-9_]{6,12}$/,
message: '密码以字母开头 由字母、数字、下划线和汉字组成 '
}
}
},
repassword: {
message: '必需以字母开头，长度在6-12之间',
validators: {
notEmpty: {
message: '密码不能为空'
},
stringLength: {
min: 6,
max: 12,
message: '密码长度必须在6到12之间'
},
identical: { //相同
field: 'password',
message: '两次密码不一致'
},
different: { //不能和用户名相同
field: 'username',
message: '不能和用户名相同'
},
regexp: { //匹配规则
regexp: /^[a-zA-Z][a-zA-Z0-9_]{6,12}$/,
message: '密码以字母开头 由字母、数字、下划线和汉字组成'
}
}
},
phone: {
validators: {
notEmpty: {
message: '手机号码不能为空'
},
regexp: {
regexp: "^([0-9]{11})?$",
message: '手机号码格式错误'
}
}
},
address: {
validators: {
notEmpty: {
message: '地址不能为空'
},
stringLength: {
min: 8,
max: 60,
message: '请输入5到60个字符'
}
}
}
}
});
});
</script>
</body>
</html>
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