jQuery应用实例5：表单验证
- 作者: 有文化的文盲_
- 来源: 51数据库
- 2021-08-25
1.validation插件的使用：
入门案例：
<html>
<head>
<meta charset="UTF-8">
<title>validate入门案例</title>
<script type="text/javascript" src="js/jquery-1.8.3.js"></script>
<!--validate.js是建立在jquery之上的，所以得先导入jquery的类库-->
<script type="text/javascript" src="js/jquery.validate.min.js"></script>
<!--引入国际化js文件-->
<script type="text/javascript" src="js/messages_zh.js"></script>
<script>
$(function() {
$("#checkForm").validate({
rules: {
username: {
required: true,
minlength: 6
},
password: {
required: true,
digits: true,
minlength: 6
}
},
messages: {
username: {
required: "用户名不能为空!",
minlength: "用户名不得少于6位！"
},
password: {
required: "密码不能为空!",
digits: "密码必须是数字!",
minlength: "密码不得少于6位!"
}
}
});
});
</script>
</head>
<body>
<form action="#" id="checkForm">
用户名：<input type="text" name="username" /><br />
密码：<input type="password" name="password" /><br />
<input type="submit" />
</form>
</body>
</html>
View Code
注意：这里需要导入三个js文件
效果：
接下来就是表单验证：
这里是用js实现的：http://www.cnblogs.com/xuyiqing/p/8372726.html
现在用jQuery实现：
效果：
代码：
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<script type="text/javascript" src="js/jquery-1.8.3.js"></script>
<script type="text/javascript" src="js/jquery.validate.min.js"></script>
<script type="text/javascript" src="js/messages_zh.js"></script>
<script>
$(function() {
$("#registForm").validate({
rules: {
user: {
required: true,
minlength: 3
},
password: {
required: true,
digits: true,
minlength: 6
},
repassword: {
required: true,
equalTo: "[name='password']"
},
email: {
required: true,
email: true
},
username: {
required: true,
maxlength: 5
},
sex: {
required: true
}
},
messages: {
user: {
required: "用户名不能为空!",
minlength: "用户名不得少于3位!"
},
password: {
required: "密码不能为空!",
digits: "密码必须是整数!",
minlength: "密码不得少于6位!"
},
repassword: {
required: "确认密码不能为空!",
equalTo: "两次输入密码不一致!"
},
email: {
required: "邮箱不能为空!",
email: "邮箱格式不正确!"
},
username: {
required: "姓名不能为空!",
maxlength: "姓名不得多于5位!"
},
sex: {
required: "性别必须勾选!"
}
},
errorElement: "label", //用来创建错误提示信息标签,validate插件默认的就是label
success: function(label) { //验证成功后的执行的回调函数
//label指向上面那个错误提示信息标签label
label.text(" ") //清空错误提示消息
.addClass("success"); //加上自定义的success类
}
});
});
</script>
<style>
label.error{
background:url(img/unchecked.gif) no-repeat 10px 3px;
padding-left: 30px;
font-family:georgia;
font-size: 15px;
font-style: normal;
color: red;
}
label.success{
background:url(img/checked.gif) no-repeat 10px 3px;
padding-left: 30px;
}
</style>
</head>
<body>
<div>
<form action="#" method="get" id="registForm">
<div id="father">
<div id="form2">
<table border="0px" width="100%" height="100%" align="center" cellpadding="0px" cellspacing="0px" bgcolor="white">
<tr>
<td colspan="2">
<font size="5">会员注册</font> USER REGISTER
</td>
</tr>
<tr>
<td width="180px">
<label for="user">用户名</label>
</td>
<td>
<em style="color: red;">*</em> <input type="text" name="user" size="35px" id="user" />
</td>
</tr>
<tr>
<td>
密码
</td>
<td>
<em style="color: red;">*</em> <input type="password" name="password" size="35px" id="password" />
</td>
</tr>
<tr>
<td>
确认密码
</td>
<td>
<em style="color: red;">*</em> <input type="password" name="repassword" size="35px" />
</td>
</tr>
<tr>
<td>
Email
</td>
<td>
<em style="color: red;">*</em> <input type="text" name="email" size="35px" id="email" />
</td>
</tr>
<tr>
<td>
姓名
</td>
<td>
<em style="color: red;">*</em> <input type="text" name="username" size="35px" />
</td>
</tr>
<tr>
<td>
性别
</td>
<td>
<span style="margin-right: 155px;">
<em style="color: red;">*</em> <input type="radio" name="sex" value="男"/>男
<input type="radio" name="sex" value="女"/>女<em></em>
<label for="sex" style="display: none;"></label>
</span>
</td>
</tr>
<tr>
<td>
出生日期
</td>
<td>
<em style="color: red;">*</em> <input type="text" name="birthday" size="35px" />
</td>
</tr>
<tr>
<td>
验证码
</td>
<td>
<em style="color: red;">*</em> <input type="text" name="yanzhengma" />
</td>
</tr>
<tr>
<td colspan="2">
<input type="submit" value="注 册" height="50px" />
</td>
</tr>
</table>
</div>
</div>
</form>
</div>
</body>
</html>
View Code
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