iOS － 身份證號判斷

#pragma mark - 身份證識別

+(BOOL)checkIdentityCardNo:(NSString*)cardNo;

//根據身份證號獲取性別

+(NSInteger)getIdentityCardSex:(NSString *)numberStr;

//根據身份證號獲取年齡

+(NSString *)getIdentityCardAge:(NSString *)numberStr;

 

#pragma mark - 身份證識別

+(BOOL)checkIdentityCardNo:(NSString*)cardNo

{

    if (cardNo.length != 18) {

        return  NO;

    }

    NSArray* codeArray = [NSArray arrayWithObjects:@"7",@"9",@"10",@"5",@"8",@"4",@"2",@"1",@"6",@"3",@"7",@"9",@"10",@"5",@"8",@"4",@"2", nil];

    NSDictionary* checkCodeDic = [NSDictionary dictionaryWithObjects:[NSArray arrayWithObjects:@"1",@"0",@"X",@"9",@"8",@"7",@"6",@"5",@"4",@"3",@"2", nil]  forKeys:[NSArray arrayWithObjects:@"0",@"1",@"2",@"3",@"4",@"5",@"6",@"7",@"8",@"9",@"10", nil]];

    

    NSScanner* scan = [NSScanner scannerWithString:[cardNo substringToIndex:17]];

    

    int val;

    BOOL isNum = [scan scanInt:&val] && [scan isAtEnd];

    if (!isNum) {

        return NO;

    }

    int sumValue = 0;

    

    for (int i =0; i<17; i++) {

        sumValue+=[[cardNo substringWithRange:NSMakeRange(i , 1) ] intValue]* [[codeArray objectAtIndex:i] intValue];

    }

    

    NSString* strlast = [checkCodeDic objectForKey:[NSString stringWithFormat:@"%d",sumValue%11]];

    

    if ([strlast isEqualToString: [[cardNo substringWithRange:NSMakeRange(17, 1)]uppercaseString]]) {

        return YES;

    }

    return  NO;

}

 

//根據身份證號獲取性別

+(NSInteger)getIdentityCardSex:(NSString *)numberStr

{

    int sexInt=[[numberStr substringWithRange:NSMakeRange(16,1)] intValue];

    if(sexInt%2!=0)

    {

        return 1;

    }

    else

    {

        return 0;

    }

}

//根據身份證號獲取年齡

+(NSString *)getIdentityCardAge:(NSString *)numberStr

{

    

    NSDateFormatter *formatterTow = [[NSDateFormatter alloc]init];

    [formatterTow setDateFormat:@"yyyy-MM-dd"];

    NSString* dataString =[self birthdayStrFromIdentityCard:numberStr];

    NSDate *bsyDate = [formatterTow dateFromString:dataString];

    NSTimeInterval dateDiff = [bsyDate timeIntervalSinceNow];

    

    int age = trunc(dateDiff/(60*60*24))/365;

    

    return [NSString stringWithFormat:@"%d",-age];

}

 

//根據身份證號獲取生日

+(NSString *)birthdayStrFromIdentityCard:(NSString *)numberStr

{

    NSMutableString *result = [NSMutableString stringWithCapacity:0];

    NSString *year = nil;

    NSString *month = nil;

    

    BOOL isAllNumber = YES;

    NSString *day = nil;

    if([numberStr length]<14)

        return result;

    //**截取前14位

    NSString *fontNumer = [numberStr substringWithRange:NSMakeRange(0, 13)];

    //**檢測前14位否全都是數字;

    const char *str = [fontNumer UTF8String];

    const char *p = str;

    while (*p!='\0') {

        if(!(*p>='0'&&*p<='9'))

            isAllNumber = NO;

        p++;

    }

    if(!isAllNumber)

        return result;

    

    year = [numberStr substringWithRange:NSMakeRange(6, 4)];

    month = [numberStr substringWithRange:NSMakeRange(10, 2)];

    day = [numberStr substringWithRange:NSMakeRange(12,2)];

    

    [result appendString:year];

    [result appendString:@"-"];

    [result appendString:month];

    [result appendString:@"-"];

    [result appendString:day];

    return result;

}