<div class="layui-form">
 <input type="text" class="txt" name="newName" lay-verify="newName" lay-verType="tips" placeholder="请输入姓名">
 <input type="text" class="txt" name="newCard" lay-verify="newCard" lay-verType="tips" placeholder="请输入身份证">
 <input type="text" class="txt" name="newPhone" lay-verify="newPhone" lay-verType="tips" placeholder="请输入电话号码">
 <input type="text" class="txt" name="newEmail" lay-verify="newEmail" lay-verType="tips" placeholder="请输入电子邮箱">
 <button class="btnStyle" lay-submit lay-filter="btn">提交</button>
</div>

<script type="text/javascript">
  layui.use(['jquery','form','layer'],function () {
   var $ = layui.jquery;
   var layer = layui.layer;
   var form = layui.form;
    // 验证
    form.verify({
      newName: [/\S/,'姓名不能为空' ] ,
      newCard: function (value) {
        if(!/\S/.test(value)){
          $("input[name='newCard']").focus();
          return '原身份证不能为空';
        }
        if(!/(^\d{15}$)|(^\d{18}$)|(^\d{17}(\d|X|x)$)/.test(value)){
          $("input[name='newCard']").focus();
          return '原身份证格式有误';
        }
      },
      newPhone: function (value) {
        if(!/\S/.test(value)){
          $("input[name='newPhone']").focus();
          return '电话号码不能为空';
        }
        if(!/^1[34578]\d{9}$/.test(value)){
          $("input[name='newPhone']").focus();
          return '电话号码格式有误';
        }
      },
      newEmail: function (value) {
        $("input[name='newEmail']").focus();
        if(!/\S/.test(value)){
          $("input[name='newEmail']").focus();
          return '电子邮件不能为空';
        }
        if(!/^[\w\-\.]+@[\w\-\.]+(\.\w+)+$/.test(value)){
          $("input[name='newEmail']").focus();
          return '电子邮件格式有误';
        }
      },
    });
    // 验证成功后执行操作
    form.on('submit(btn)',function () {
      console.log('验证成功')
    })

  })
</script>