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Validate验证

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>菜鸟教程(runoob.com)</title>
<script src="http://static.runoob.com/assets/jquery-validation-1.14.0/lib/jquery.js"></script>
<script src="http://static.runoob.com/assets/jquery-validation-1.14.0/dist/jquery.validate.min.js"></script>
<script src="http://static.runoob.com/assets/jquery-validation-1.14.0/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>
<style>
.error{
    color:red;
}
</style>
</head>
<body>
<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" style="display:none">至少选择两个</label>
    </fieldset>
    <p>
      <input class="submit" type="submit" value="提交">
    </p>
  </fieldset>
</form>
</body>
</html>

转载于:https://www.cnblogs.com/nnhgd/p/8568792.html

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