SOURCE

var sfz_qian="5107221989";
 2 var sfz_hou4="8625";
 3 var sfzhm="";
 4 for(i=1;i<=12;i++)
 5 {
 6   //为了程序的方便，我就假设每个月有31天
 7   for(j=1;j<=31;j++){
 8         if(i<10){
 9             if(j<10){
10                 sfzhm=sfz_qian+"0"+i+"0"+j+sfz_hou4;
11             }else{
12                 sfzhm=sfz_qian+"0"+i+j+sfz_hou4;
13             }
14             result=getvalidcode(sfzhm);
15                 if(result!=false){
16                         console.log(result);
17                 }
18  
19         }else{
20             if(j<10){
21                                sfzhm=sfz_qian+i+"0"+j+sfz_hou4;
22                         }else{
23                                sfzhm=sfz_qian+i+j+sfz_hou4;
24                         }
25             result=getvalidcode(sfzhm);
26                     if(result!=false){
27                   console.log(result);
28                     }
29  
30         }        
31  
32         }
33     }
34  
35  
36  
37 function getvalidcode(sfzhm_new){
38  
39 var sum=0;
40 var weight=[7,9,10,5,8,4,2,1,6,3,7,9,10,5,8,4,2];
41 var validate=['1','0','X','9','8','7','6','5','4','3','2'];
42 for(m=0;m<sfzhm_new.length-1;m++){
43 sum+=sfzhm_new[m]*weight[m];
44 }
45 mode=sum%11;
46 if(sfzhm_new[17]==validate[mode]){
47     return sfzhm_new;
48 }else{
49     return false;
50 }
51  
52 }