layui表单验证介绍

<div class="layui-form-item">

             <label class="layui-form-label">排序</label>

            <div class="layui-input-block">

              <input type="number" name="sort" autocomplete="off" min="0" max="99999"  lay-verify="sort" class="layui-input">

            </div>

          </div>

layui.use([ "form", "layer" ], function() {

var    form = layui.form;

var    layer = layui.layer;

    //表单验证

    form.render();//这句一定要加，占坑

     form.verify({

         sort:[/^$|^[0-9]{0,5}$/, '只能是数字且范围0~99999！']//这个就是上面的排序lay-verify="sort"

         ,remark: function (value){

             if(value.length > 200){

                 return '长度大于200！请重新输入';

             }

         }

     });

     });