<script src="js/plugin-clander/WdatePicker.js"></script>

<input class="Wdate" type="text" onfocus="WdatePicker()"/>

<input type="text" class="Wdate" id="d412" 
onfocus="WdatePicker({skin:'whyGreen',dateFmt: 'yyyy-MM-dd HH:mm:ss', 
minDate: '2008-03-08 11:30:00', maxDate: '2008-03-10 20:59:30' })" value="2008-03-09 11:00:00"/>

<input id="d424" class="Wdate" type="text" 
onfocus="WdatePicker({dateFmt:'yyyy-M-d H:mm:ss', 
minDate: '%y-%M-%d 7:00:00', maxDate: '%y-%M-#{%d+1} 21:00:00' })"/> 

<input id="d425" class="Wdate" type="text" 
onClick="WdatePicker({dateFmt:'yyyy-MM-dd HH:mm', 
minDate: '%y-%M-%d #{%H-20}:%m:%s' ,maxDate: '%y-%M-%d #{%H+30}:%m:%s' })"/>

<input id="d4311" class="Wdate" type="text" onFocus="WdatePicker({maxDate: '#F{$dp.$D(\'d4312\')||\'2020-10-01\'}' })"/> 
<input id="d4312" class="Wdate" type="text" onFocus="WdatePicker({minDate: '#F{$dp.$D(\'d4311\')}' ,maxDate:'2020-10-01' })"/>

 <script src="js/jquery-2.1.1.min.js"></script>
 <script src="js/plugin-clander/WdatePicker.js"></script>

  <input class="div-Wdate" type="text"  onfocus="WdatePicker()"/>
  <p><button class="tijiaoBtn">提交</button></p>

 //赋值
 $(".div-Wdate").val("2019-01-01");
 //取值
 $(".tijiaoBtn").on("click",function(){
  console.log($(".div-Wdate").val());
 });