<form class="layui-form" action="">
    <div class="layui-form-item">
    
        <label class="layui-form-label">发布时间</label>
        
        <div class="layui-form-inline">
        
            <div class="layui-input-inline" style="width: 100px;">
                <input type="text" id="start_time" name="start_time" autocomplete="off" placeholder="开始日期" class="layui-input">
            </div>
            
            <div class="layui-form-label" style="width:10px;text-align:center;padding: 9px 15px 0 0;">至</div>
            
            <div class="layui-input-inline" style="width: 100px;">
                <input type="text" id="end_time" name="end_time" autocomplete="off" placeholder="结束日期" class="layui-input">
            </div>
            
        </div>
        
    </div>
</form>


<script>
    layui.use('laydate', function(){
        var laydate = layui.laydate;
        var endDate= laydate.render({
            elem: '#end_time',//选择器结束时间
            type: 'datetime',
            min:"1970-1-1",//设置min默认最小值
            done: function(value,date){
                startDate.config.max={
                    year:date.year,
                    month:date.month-1,//关键
                    date: date.date,
                    hours: 0,
                    minutes: 0,
                    seconds : 0
                }
            }
        });
        //日期范围
        var startDate=laydate.render({
            elem: '#start_time',
            type: 'datetime',
            max:"2019-12-31",//设置一个默认最大值
            done: function(value, date){
                endDate.config.min ={
                    year:date.year,
                    month:date.month-1, //关键
                    date: date.date,
                    hours: 0,
                    minutes: 0,
                    seconds : 0
                };
            }
        });
 
    });
</script>