Jquery ui datepicker sets the date range, for example, it can only be separated by 3 days [Implementation code]_jquery

The front end of the recent backend project uses jquery ui calendar control, so naturally it uses jquery ui's datepicker

The background data is quite large, usually with tens of millions and millions of connections, and the query will be very slow, so I want to add more filtering conditions later, and the time must be set as required,

The product needs to make the calendar control so that it can only query within 3 days, and the calendar control must meet this requirement. If the previous calendar control selects September 1, 2013

The calendar control at the back can only select September 1, 2013, September 2, 2013, and September 3, 2013. All other dates cannot be selected. I originally wanted to ask him to give a reminder, but the leader insisted on this. Fuck

As the leader said, coders have worked hard for several years. . . Well, fortunately, jquery ui’s calendar control provides this function, which is very powerful

First go to the official website (http://jqueryui.com/download/#!version=1.9.2) to download the jquery ui package. I am using version 1.92

After downloading

Introduction:

<link href="jquery-ui/1.9.2/css/smoothness/jquery-ui-1.9.2.custom.min.css" rel="stylesheet" type="text/css" />

<script type="text/javascript" src="jquery-ui/1.9.2/js/jquery-ui-1.9.2.custom.js"></script>


<script type="text/javascript" src="jquery-ui/1.9.2/datepicker-init.js"></script>



<script type="text/javascript"> 
$(function(){
 var dates = $("#startDate,#endDate");
 var option;
 var targetDate;
 var optionEnd;
 var targetDateEnd;
 dates.datepicker({
  showButtonPanel:false,
  onSelect: function(selectedDate){ 
   if(this.id == "startDate"){
   // 如果是选择了开始时间（startDate）设置结束时间（endDate）的最小时间和最大时间
   option = "minDate"; //最小时间
   var selectedTime = getTimeByDateStr(selectedDate);
   var minTime = selectedTime;
	 //最小时间 为开第一个日历控制选择的时间
   targetDate = new Date(minTime); 
   //设置结束时间的最大时间
   optionEnd = "maxDate";
	 //因为只能做三天内的查询 所以是间隔2天 当前时间加上2*24*60*60*1000
   targetDateEnd = new Date(minTime+2*24*60*60*1000);
   }else{
   // 如果是选择了结束时间（endDate）设置开始时间（startDate）的最小时间和最大时间
   option = "maxDate"; //最大时间
   var selectedTime = getTimeByDateStr(selectedDate);
   var maxTime = selectedTime;
   targetDate = new Date(maxTime);
   //设置最小时间 
   optionEnd = "minDate";
   targetDateEnd = new Date(maxTime-2*24*60*60*1000);
   }
   dates.not(this).datepicker("option", option, targetDate); 
   dates.not(this).datepicker("option", optionEnd, targetDateEnd); 
  }
 });
// 检查起始时间不能超过3天
function checkTimeInOneMonth(startDate, endDate){
	var startTime = getTimeByDateStr(startDate);
 var endTime = getTimeByDateStr(endDate);
 if((endTime - startTime) > 2*24*60*60*1000){
  return false;
 }
 return true;
}


//根据日期字符串取得其时间
function getTimeByDateStr(dateStr){
 var year = parseInt(dateStr.substring(0,4));
 var month = parseInt(dateStr.substring(5,7),10)-1;
 var day = parseInt(dateStr.substring(8,10),10);
 return new Date(year, month, day).getTime();
}
</script> <input type="text" value="" name="startDate" readonly="true" id="startDate" title="日期范围不能大于3天"/><input type="text" value="" name="endDate" readonly="true" id="endDate" title="日期范围不能大于3天"/>

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