日期数据无效的解决方案

当·我们的项目一开始是好的，但是一旦，到了六月三十号，不是三十一天的显示为三十一天，例如六月只有30号页面就直接变为了六月三十一号，而这个日期是错的，所以就会报日期异常这个错误，解决方法如下
   $(document).ready(function() {
       //创建一个当前日期对象
       var now = new Date();
       //格式化日，如果小于9，前面补0
       var day = ("0" + now.getDate()).slice(-2);
       //格式化月，如果小于9，前面补0
       var month = ("0" + (now.getMonth() + 1)).slice(-2);
       //时
       var hours = now.getHours();
       //分
       var minutes = now.getMinutes();
       //秒
       var second = now.getSeconds();
       //拼装完整日期格式
       var year = now.getFullYear();
       var year2=parseInt(year);
       var month2=parseInt(month)-1;
       var day2=parseInt(day);
       //判断平年和闰年
       alert(year2);
       alert(month2);
       alert(day2);

       if(((year2%400==0) || (year2%100!=0) ) && (year2%4==0))
   {
   day2=29;
   }
   else
   {
   day2=28;
   }

       if (month2==4 || month2==6 || month2==9 || month2==11) {
       day2=30;
       }



/*//拼装完整日期格式
       var days = new Date(year, month, 0);
days = days.getDate(); //获取当前日期中月的天数
var year2 = year;
var month2 = parseInt(month) - 1;

if (month2 == 0) {

year2 = parseInt(year2) - 1;
month2 = 12;
}
var day2 = day;
var days2 = new Date(year2, month2, 0);
days2 = days2.getDate();
if (day2 > days2) {
day2 = days2;
}
if (month2 < 10) {
month2 = '0' + month2;
} */

       var today = now.getFullYear()+"-"+(month)+"-"+(day)+" "+ hours +":"+minutes+":"+second;
       var nextToday = year2+"-"+(month2)+"-"+(day2)+" "+ hours +":"+minutes+":"+second;

       alert(today);//2018.7.31
       alert(nextToday);//2018.6.30
       //完成赋值
       $('#startOrderTime1').val(nextToday);
       $('#startOrderTime2').val(today);
       var state = $('#state').val();
       var flag = $('#flag').val();
       var responsiblrId = $('#responsiblrId').val();

       if(workWoring.length > 0) {
           console.log($("#workWoring").children("[value]").eq(workWoring).attr("selected",true));
       }

       if (!state.replace(/(^s*)|(s*$)/g, "").length ==0)
       {
           //alert('状态码为'+state);
           $("#externalStatus").val(state);
       }
       if (!flag.replace(/(^s*)|(s*$)/g, "").length ==0)
       {
           //alert('预约');
           $("#bookFlag").val("1");
       }
       if (!responsiblrId.replace(/(^s*)|(s*$)/g, "").length ==0)
       {
           /* alert('用户ID为'+responsiblrId); */
       }


       /* 数据显示表格自适应设置 */
       $(window).resize(function(){
   $("#worktable").setGridWidth($(window).width()*0.9999);
   $("#worktable").setGridWidth(document.body.clientWidth*0.9999);
   setwidth();
   });
   });


   /**
   * 快捷入口的工单预警状态
   */
   var workWoring = "${workWoring}";

   </script>

</head>
<body onload="com.bgxt.work.init();">
   <form id="searchForm" class="form-horizontal" action="${pageContext.request.contextPath}/consultForm/toPage/" method="post">
       <input type="hidden" id="state" name="state" value="${state}" />
       <input type="hidden" id="flag" name="flag" value="${flag}" />
       <input type="hidden" id="responsiblrId" name="responsiblrId" value="${responsiblrId}" />
       <div class="form-group"></div>
       <div class="form-group">
           <div class="row">
               <div class="col-md-8">
                   <div class="col-md-4">
                       <div class="col-md-12 oMyLrows">
                           <label>车主姓名</label><br>
                           <input type="text" id="initials" name="initials" class="form-control">
                       </div>

                       <div class="col-md-12 oMyLrows">
                           <label>手机号</label><br>
                           <input type="text" id="custMp" name="custMp" class="form-control">
                       </div>

                       <div class="col-md-12 oMyLrows">
                           <label>预警</label><br>
                               <select id="workWoring" name="workWoring" class="form-control">
                                   <option value="" label="">请选择</option>
                                   <option value="1">紧急工单</option>
                                   <option value="2">重大投诉</option>
                                   <option value="3">重复投诉</option>
                                   <option value="4">客诉升级</option>
                                   <option value="5" style="display: none">预警客诉</option>
                               </select>
                       </div>

                   </div>
                   <div class="col-md-4">
                       <div class="col-md-12 oMyLrows">
                           <label>车型码</label><br>
                           <input type="text" id="vehModel" name="vehModel" class="form-control">
                       </div>
                       <div class="col-md-12 oMyLrows">
                           <label>车牌号</label><br>
                           <input type="text" id="vehLicenseTag" name="vehLicenseTag" class="form-control">
                       </div>

                       <div class="col-md-12 oMyLrows">
                           <label>工单号</label><br>
                           <input type="text" id="seriesId" name="seriesId" class="form-control">
                       </div>
                   </div>
                   <div class="col-md-4">
                       <div class="col-md-12 oMyLrows">
                           <label>工单类型</label><br>
                           <select id="workOrdertype" name="workOrdertype" class="form-control">
                               <option value="" label="">请选择</option>
                               <option value="A">咨询</option>
                               <option value="B">投诉</option>
                               <option value="C">在线订单</option>
                               <option value="D">预约咨询</option>
                           </select>
                       </div>
                       <div class="col-md-12 oMyLrows">
                           <label>工单状态</label><br>
                           <select id="externalStatus" name="externalStatus" class="form-control">
                               <option value="" label="">请选择</option>
                                   
                               <option value="0">处理中</option>
                               <option value="1">处理结束</option>
                               <option value="4">挂起</option>
                               <option value="D">待受理</option>
                               <option value="E">待响应</option>
                               <option value="F">待提案</option>
                               <option value="H">待结案</option>
                               <option value="I">待审批</option>
                               <option value="J">待回访</option>
                           </select>
                       </div>

                       <div class="col-md-12 oMyLrows">
                           <label>车架号</label><br>
                           <input type="text" id="vin" name="vin" class="form-control">
                       </div>
                   </div>
               </div>
               <div class="col-md-4">
                   <div class="col-md-12 oMyLrows">
                       <label>开单时间</label><br/>
                       <input id="startOrderTime1" name="startOrderTime1" type="text" class="Wdate form-control myDate" onFocus="WdatePicker({el:this,dateFmt:'yyyy-MM-dd HH:mm:ss'})"/>
                       -- <input id="startOrderTime2" name="startOrderTime2" type="text" class="Wdate form-control myDate" onFocus="WdatePicker({el:this,dateFmt:'yyyy-MM-dd HH:mm:ss'})"/>

                       
                   </div>

                   <div class="col-md-12 oMyLrows">
                       <label>关单时间</label><br/>
                       <input id="endOrderTime1" name="endOrderTime1" type="text" class="Wdate form-control myDate" onFocus="WdatePicker({el:this,dateFmt:'yyyy-MM-dd HH:mm:ss'})"/>
                       -- <input id="endOrderTime2" name="endOrderTime2" type="text" class="Wdate form-control myDate" onFocus="WdatePicker({el:this,dateFmt:'yyyy-MM-dd HH:mm:ss'})"/>

                       
                   </div>
                   <div class="col-md-12 oMyRows">
                       <input id="selectBtn" type="button" class="btn bgBtn" onclick="com.bgxt.work.queryData();" value="查询"/>
                       <button type="button" id="" class="btn bgBtn" onclick="com.bgxt.work.reset(this)">重置</button>
                   </div>
               </div>
           </div>
       </div>
   </form>
   <table id="worktable"></table>
   <div id="paged"></div>
</body>
</html>

日期数据无效的解决方案

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