jQuery Validate前端验证

我们经常看到如下效果，那么它是如何实现的呢？看下面：

废话少说，直接上代码，大家直接Copy就能看到上面的效果啦。

<html>

<head>

<title>验证内容</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>

$(function(){

  $("#signupForm").validate({

     rules:{

        firstName:"required",

        lastName:{required:true,maxlength:}

     },

     message:{

        firstName:"请输入您的姓名",

        lastName:{required:"请输入您的姓氏",maxlength:"输入的字符个数超限"}

     }

  })

})

</script>

<style>

.error{

    color:red;

}

</style>

</head>

<body>

<form id="signupForm">

<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>

      <input type="submit"    class="submit" value="提交"/>

</p>

</fieldset>

</form>

</body>

</html>

详细学习可参考: http://www.runoob.com/jquery/jquery-plugin-validate.html

巴特西

jQuery Validate前端验证

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