js判断日期不能超过三天

 

备注:js判断两个日期差不得超过三天,此例在大数量查询中用到。

 

 

View Code
 1 <html>
 2     <head>
 3         <title>
 4         js
 5         </title>
 6     <Script language="JavaScript">
 7 
 8 
 9             function datelimit(date1,date2,limit){
10 
11                 var a = date1.substr(5,2);
12                 var b = date1.substr(8,2);
13                 var c = date1.substr(0,4);
14                 var a2 = date2.substr(5,2);
15                 var b2 = date2.substr(8,2);
16                 var c2 = date2.substr(0,4);
17                 alert( date1+"__"+date2+"\n\n"+c+"__"+a+"__"+b+"\n\n"+c2+"__"+a2+"__"+b2);
18                 if(c===c2){
19                     if(a==a2&&b>=b2){
20                         if(Number(b)-Number(b2)<=limit){
21                         alert(Number(b)+"-"+Number(b2)+"="+(Number(b)-Number(b2)));
22                             return true;
23                         }
24                     }else if(Number(a)-Number(a2)==1){
25                         alert(Number(a)+"-"+Number(a2)+"="+(Number(a)-Number(a2)));
26                         if(30+Number(b)-Number(b2)<=limit){
27                             return true;
28                         }
29                     }
30                 }else if(c-c2===1){
31                     if((Number(a)==1)&&(Number(a2)==12)){
32                         if(30+Number(b)-Number(b2)<=limit){
33                             return true;
34                         }
35                     }
36                 }else if(c2-c===1){
37                     if((Number(a2)==1)&&(Number(a)==12)){
38                         if(30+Number(b2)-Number(b)<=limit){
39                             return true;
40                         }
41                     }
42                 }
43                 return false;
44             }
45             
46             function alertTest(date1,date2,limit){
47                 alert(datelimit (date1,date2,limit));
48             }
49 </Script>
50     </head>
51     <body>
52     <form name="ttt">
53     <input type="button" name="ddd" value="confirm" onclick="alertTest('2013-01-01 00:00:00','2012-12-31 23:59:59',3)">
54     </form>
55     
56     </body>
57 </html>

 

posted on 2013-04-09 11:46  Brown Qin  阅读(2380)  评论(0编辑  收藏  举报

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