layui.js实现的表单验证功能示例

<script src="layui/layui.js"></script>
<script src="layui/lay/dest/layui.all.js"></script>
<link rel="stylesheet" href="layui/css/layui.css" rel="external nofollow" rel="external nofollow" >

<form class="layui-form" action="">
 <p class="layui-form-item">
  <label class="layui-form-label">反馈主题</label>
  <p class="layui-input-block">
   <input name="title" class="layui-input" type="text" placeholder="请输入标题" autocomplete="off" lay-verify="title">
  </p>
 </p>
 <p class="layui-form-item">
  <label class="layui-form-label">姓名</label>
  <p class="layui-input-block">
   <input name="fname" class="layui-input" type="text" placeholder="请输入姓名" autocomplete="off" lay-verify="fname">
  </p>
 </p>
 <p class="layui-form-item">
  <label class="layui-form-label">手机</label>
  <p class="layui-input-block">
   <input name="phone" class="layui-input" type="tel" autocomplete="off" placeholder="请输入手机" lay-verify="phone">
  </p>
 </p>
 <p class="layui-form-item">
  <label class="layui-form-label">邮箱</label>
  <p class="layui-input-block">
   <input name="email" class="layui-input" type="text" autocomplete="off" placeholder="请输入邮箱" lay-verify="email">
  </p>
 </p>
 <p class="layui-form-item">
  <label class="layui-form-label">单选框</label>
  <p class="layui-input-block">
   <input name="sex" title="男" type="radio" checked="" value="男">
   <input name="sex" title="女" type="radio" value="女">
   <input name="sex" title="保密" type="radio" value="密">
  </p>
 </p>
 <!--<p class="layui-form-item layui-form-text">
  <label class="layui-form-label">普通文本域</label>
  <p class="layui-input-block">
   <textarea class="layui-textarea" placeholder="请输入内容">请输入内容</textarea>
  </p>
 </p>-->
 <p class="layui-form-item layui-form-text">
  <label class="layui-form-label">内容</label>
  <p class="layui-input-block">
   <textarea class="layui-textarea layui-hide" name="contact" id="LAY_demo_editor" lay-verify="contact"></textarea>
  </p>
 </p>
 <p class="layui-form-item">
  <p class="layui-input-block">
   <button class="layui-btn" lay-filter="demo2" lay-submit="">跳转式提交</button>
   <button class="layui-btn" lay-filter="demo1" lay-submit="">立即提交</button>
   <button class="layui-btn layui-btn-primary" type="reset">重置</button>
  </p>
 </p>
</form>

<script>
layui.use([&#39;form&#39;, &#39;layedit&#39;, &#39;laydate&#39;], function(){
 var form = layui.form()
 ,layer = layui.layer
 ,layedit = layui.layedit
 ,laydate = layui.laydate;
 //自定义验证规则
 form.verify({
    title: function(value){
     if(value.length < 5){
      return &#39;标题至少得5个字符啊&#39;;
     }
    }, fname: function(value){
     if(value.length < 4){
      return &#39;请输入至少4位的用户名&#39;;
     }
    }, contact: function(value){
     if(value.length < 4){
      return &#39;内容请输入至少4个字符&#39;;
     }
    }
    ,phone: [/^1[3|4|5|7|8]\d{9}$/, &#39;手机必须11位，只能是数字！&#39;]
    ,email: [/^[a-z0-9._%-]+@([a-z0-9-]+\.)+[a-z]{2,4}$|^1[3|4|5|7|8]\d{9}$/, &#39;邮箱格式不对&#39;]
 });
 //创建一个编辑器
 layedit.build(&#39;LAY_demo_editor&#39;);
 //监听提交
 form.on(&#39;submit(demo1)&#39;, function(data){
  layer.alert(JSON.stringify(data.field), {
   title: &#39;最终的提交信息&#39;
  })
  return false;
 });
});
</script>

 

 反馈主题
 

  
 
 

 

 姓名
 

  
 
 

 

 手机
 

  
 
 

 

 邮箱
 

  
 
 

 

 单选框
 

  
  
  
 
 

 
 

 内容
 

  
 
 

 

 

  跳转式提交
  立即提交
  重置
 
 


<script>
layui.use([&#39;form&#39;, &#39;layedit&#39;, &#39;laydate&#39;], function(){
 var form = layui.form()
 ,layer = layui.layer
 ,layedit = layui.layedit
 ,laydate = layui.laydate;
 //自定义验证规则
 form.verify({
    title: function(value){
     if(value.length < 5){
      return &#39;标题至少得5个字符啊&#39;;
     }
    }, fname: function(value){
     if(value.length < 4){
      return &#39;请输入至少4位的用户名&#39;;
     }
    }, contact: function(value){
     if(value.length < 4){
      return &#39;内容请输入至少4个字符&#39;;
     }
    }
    ,phone: [/^1[3|4|5|7|8]\d{9}$/, &#39;手机必须11位，只能是数字！&#39;]
    ,email: [/^[a-z0-9._%-]+@([a-z0-9-]+\.)+[a-z]{2,4}$|^1[3|4|5|7|8]\d{9}$/, &#39;邮箱格式不对&#39;]
 });
 //创建一个编辑器
 layedit.build(&#39;LAY_demo_editor&#39;);
 //监听提交
 form.on(&#39;submit(demo1)&#39;, function(data){
  layer.alert(JSON.stringify(data.field), {
   title: &#39;最终的提交信息&#39;
  })
  return false;
 });
});
</script>