CREATE FUNCTION DI_FN_GET_WorkDay 
(@begin DATETIME , @end DATETIME )
RETURNS int 
BEGIN 
DECLARE @i INT , @j INT SET @i = 0 SET @j = 0 
IF @end > @begin 
    BEGIN 
    WHILE DATEDIFF(d, DATEADD(d, @i, @begin), @end) <> 0 
    BEGIN IF DATEPART(weekday, DATEADD(d, @i, @begin)) NOT IN ( 1, 7 ) 
    SET @j = @j + 1 
    SET @i = @i + 1 
    END 
END 
SELECT @j = ( @j + 1 ) * 24 * 60 - DATEDIFF(Minute, CAST(CONVERT(VARCHAR(10), @begin, 120) AS DATETIME), @begin) 
- DATEDIFF(Minute, @end, CAST(CONVERT(VARCHAR(10), @end + 1, 120) AS DATETIME)) 
RETURN @j END

 1 <!-- 限制输入周六周末【disabledDays:[0,6]】  且 只能输入今天及今天以后【minDate:‘%y-%M-{%d}‘】 -->
 2  
 3 <input id="beginTime" class="Wdate" type="text" onFocus="WdatePicker({minDate:‘%y-%M-{%d}‘})" > 
 4 <br><br>
 5 <input type=‘text‘ id="d" onblur="endTime(this.value)"/>
 6 <br><br>
 7  
 8 <input type=‘text‘ id="endTime"  type="text" readonly/>
 9  
10  
11 <script type="text/javascript">
12         function endTime(day){
13          //开始时间
14          var beginTime = document.getElementById("beginTime").value;
15       
16         document.getElementById("endTime").value = getWorkDayCount(beginTime,day);
17         
18         }
19     
20         //法定节假日和调休日的设定
21          var Holiday = ["2017-10-1", "2017-10-2", "2017-10-3","2017-10-4","2017-10-5", "2017-10-6", "2017-10-7", "2017-10-8"];
22  
23         //虽然是周末但是还是要上班的【调休】
24         var WeekendsOff = ["2017-9-30"];
25  
26         //“2017-10-09”+12
27         function addDate(dateTemp,days){
28        
29              var dateTemp = dateTemp.split("-");  
30              var nDate = new Date(dateTemp[1] + ‘-‘ + dateTemp[2] + ‘-‘ + dateTemp[0]); //转换为MM-DD-YYYY格式    
31              var millSeconds = Math.abs(nDate) + (days * 24 * 60 * 60 * 1000);  
32              var rDate = new Date(millSeconds);  
33              var year = rDate.getFullYear();  
34              var month = rDate.getMonth() + 1;  
35             if (month.length==1) month = "0" + month;  
36             var date = rDate.getDate();  
37            if (date.length==1) date = "0" + date;  
38            return (year + "-" + month + "-" + date);
39       }
40        function getWorkDayCount (beginDate, workDay) {
41       /*
42         功能：计算一段时间内工作的天数。不包括周末和法定节假日，法定调休日为工作日，周末为周六、周日两天；
43         参数：
44         beginDate -时间段开始日期；
45         workDay  -工作时间；
46     */
47             var begin = beginDate;
48             var count = 0;
49  
50         
51         for(var i = 0;i<365;i++){
52                 
53             beginDate =  addDate(begin,i);
54             var arys1= new Array();      
55             arys1=beginDate.split(‘-‘);     //日期为输入日期，格式为 2013-3-10
56              var ssdate=new Date(arys1[0],parseInt(arys1[1]-1),arys1[2]);  
57             var day = ssdate.getDay();
58      
59             //1、判断输入的开始时间是不是周末    
60             if(day==6 || day==0){
61                 //是周末   不是调休  是节假日
62                 if(WeekendsOff.toString().indexOf(beginDate)==-1){
63                     continue;
64                 }else{
65                     count++;        
66                 }
67                 
68             }else{
69                 if(Holiday.toString().indexOf(beginDate)!=-1){
70                     continue;
71                 }else{
72                     count++;
73                 }
74             
75             }
76             
77             
78             if(count==workDay) break;
79             
80         };
81     
82            //结束时间
83         
84         return beginDate;
85     };
86        
87     </script>
88  
89  
90