15位身份证号码

15位⾝份证转18位

//15位转18位

functionC15ToC18(c15){

varcId;

if(==15){

pattern=/^d{15}$/;

if((c15)==null){

//alert("15位⾝份证号码必须为数字！")

return;

}

if(!isdate("19"+ing(6,8),ing(8,10),ing(10,12))){

//alert("⾝份证号码中所含⽇期不正确")

return;

}

cId=ing(0,6)+"19"+ing(6,15);

(cId)

varstrJiaoYan=["1","0","X","9","8","7","6","5","4","3","2"];

varintQuan=[7,9,10,5,8,4,2,1,6,3,7,9,10,5,8,4,2];

varintTemp=0;

for(i=0;i<;i++)

intTemp+=cId[i]*intQuan[i];

(intTemp)

intTemp%=11;

cId+=strJiaoYan[intTemp];

returncId;

}

return;

}

//检查年⽉⽇是否是合法⽇期

functionisdate(intYear,intMonth,intDay){

if(isNaN(intYear)||isNaN(intMonth)||isNaN(intDay))returnfal;

if(intMonth>12||intMonth<1)returnfal;

if(intDay<1||intDay>31)returnfal;

if((intMonth==4||intMonth==6||intMonth==9||intMonth==11)&&(intDay>30))returnfal;

if(intMonth==2){

if(intDay>29)returnfal;

if((((intYear%100==0)&&(intYear%400!=0))||(intYear%4!=0))&&(intDay>28))returnfal;

}

returntrue;

}