html运用插件进行验证

<script src="<?php echo base_url("public/jq.js") ?>"></script>
<script src="<?php echo base_url("public/dist/jquery.validate.min.js") ?>"></script>
<script src="<?php echo base_url("public/dist/localization/messages_zh.js") ?>"></script>
<script>
    $.validator.setDefaults({
        submitHandler: function() {
            alert("提交事件!");
        }
    });
    $().ready(function() {
// 在键盘按下并释放及提交后验证提交表单
        $("#signupForm").validate({
            rules: {
                firstname: "required",
                lastname: "required",
                username: {
                    required: true,
                    minlength: 2
                },
                password: {
                    required: true,
                    minlength: 5
                },
                confirm_password: {
                    required: true,
                    minlength: 5,
                    equalTo: "#password"
                },
                email: {
                    required: true,
                    email: true
                },
                topic: {
                    required: "#newsletter:checked",
                    minlength: 2
                },
                agree: "required"
            },
            messages: {
                firstname: "请输入您的名字",
                lastname: "请输入您的姓氏",
                username: {
                    required: "请输入用户名",
                    minlength: "用户名必需由两个字母组成"
                },
                password: {
                    required: "请输入密码",
                    minlength: "密码长度不能小于 5 个字母"
                },
                confirm_password: {
                    required: "请输入密码",
                    minlength: "密码长度不能小于 5 个字母",
                    equalTo: "两次密码输入不一致"
                },
                email: "请输入一个正确的邮箱",
                agree: "请接受我们的声明",
                topic: "请选择两个主题"
            }
        });
    });
</script>
<form class="cmxform" id="signupForm" method="get" action="">
    <fieldset>
        <legend>验证完整的表单</legend>
        <p>
            <label for="firstname">名字</label>
            <input id="firstname" name="firstname" type="text">
        </p>
        <p>
            <label for="lastname">姓氏</label>
            <input id="lastname" name="lastname" type="text">
        </p>
        <p>
            <label for="username">用户名</label>
            <input id="username" name="username" type="text">
        </p>
        <p>
            <label for="password">密码</label>
            <input id="password" name="password" type="password">
        </p>
        <p>
            <label for="confirm_password">验证密码</label>
            <input id="confirm_password" name="confirm_password" type="password">
        </p>
        <p>
            <label for="email">Email</label>
            <input id="email" name="email" type="email">
        </p>
        <p>
            <label for="agree">请同意我们的声明</label>
            <input type="checkbox" class="checkbox" id="agree" name="agree">
        </p>
        <p>
            <label for="newsletter">我乐意接收新信息</label>
            <input type="checkbox" class="checkbox" id="newsletter" name="newsletter">
        </p>
        <fieldset id="newsletter_topics">
            <legend>主题 (至少选择两个) - 注意:如果没有勾选“我乐意接收新信息”以下选项会隐藏,但我们这里作为演示让它可见</legend>
            <label for="topic_marketflash">
                <input type="checkbox" id="topic_marketflash" value="marketflash" name="topic">Marketflash
            </label>
            <label for="topic_fuzz">
                <input type="checkbox" id="topic_fuzz" value="fuzz" name="topic">Latest fuzz
            </label>
            <label for="topic_digester">
                <input type="checkbox" id="topic_digester" value="digester" name="topic">Mailing list digester
            </label>
            <label for="topic" class="error">Please select at least two topics you'd like to receive.</label>
        </fieldset>
        <p>
            <input class="submit" type="submit" value="提交">
        </p>
    </fieldset>
</form>


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