ios身份证号码判断

+ (BOOL)chk18PaperId:(NSString *)sPaperId

{

    //判断位数

    if ([sPaperId length] != 15 && [sPaperId length] != 18) {

        return NO;

    }

    NSString *carid = sPaperId;

    long lSumQT =0;

    //加权因子

    int R[] ={7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2 };

    //校验码

    unsigned char sChecker[11]={'1','0','X', '9', '8', '7', '6', '5', '4', '3', '2'};

    //将15位身份证号转换成18位

    NSMutableString *mString = [NSMutableString stringWithString:sPaperId];

    if ([sPaperId length] == 15) {

        [mString insertString:@"19" atIndex:6];

        long p = 0;

        const char *pid = [mString UTF8String];

        for (int i=0; i<=16; i++) {

            p += (pid-48) * R;

        }

        int o = p%11;

        NSString *string_content = [NSString stringWithFormat:@"%c",sChecker[o]];

        [mString insertString:string_content atIndex:[mString length]];

        carid = mString;

    }

    

    //判断地区码

    NSMutableDictionary *dic = [[NSMutableDictionary alloc] init];

    [dic setObject:@"北京" forKey:@"11"];

    [dic setObject:@"天津" forKey:@"12"];

    [dic setObject:@"河北" forKey:@"13"];

    [dic setObject:@"山西" forKey:@"14"];

    [dic setObject:@"内蒙古" forKey:@"15"];

    [dic setObject:@"辽宁" forKey:@"21"];

    [dic setObject:@"吉林" forKey:@"22"];

    [dic setObject:@"黑龙江" forKey:@"23"];

    [dic setObject:@"上海" forKey:@"31"];

    [dic setObject:@"江苏" forKey:@"32"];

    [dic setObject:@"浙江" forKey:@"33"];

    [dic setObject:@"安徽" forKey:@"34"];

    [dic setObject:@"福建" forKey:@"35"];

    [dic setObject:@"江西" forKey:@"36"];

    [dic setObject:@"山东" forKey:@"37"];

    [dic setObject:@"河南" forKey:@"41"];

    [dic setObject:@"湖北" forKey:@"42"];

    [dic setObject:@"湖南" forKey:@"43"];

    [dic setObject:@"广东" forKey:@"44"];

    [dic setObject:@"广西" forKey:@"45"];

    [dic setObject:@"海南" forKey:@"46"];

    [dic setObject:@"重庆" forKey:@"50"];

    [dic setObject:@"四川" forKey:@"51"];

    [dic setObject:@"贵州" forKey:@"52"];

    [dic setObject:@"云南" forKey:@"53"];

    [dic setObject:@"西藏" forKey:@"54"];

    [dic setObject:@"陕西" forKey:@"61"];

    [dic setObject:@"甘肃" forKey:@"62"];

    [dic setObject:@"青海" forKey:@"63"];

    [dic setObject:@"宁夏" forKey:@"64"];

    [dic setObject:@"新疆" forKey:@"65"];

    [dic setObject:@"台湾" forKey:@"71"];

    [dic setObject:@"香港" forKey:@"81"];

    [dic setObject:@"澳门" forKey:@"82"];

    [dic setObject:@"国外" forKey:@"91"];

    NSString *sProvince = [carid substringToIndex:2];

    if ([dic objectForKey:sProvince] == nil) {

        return NO;

    }

    

    //判断年月日是否有效

    //年份

    int strYear = [[carid substringWithRange:NSMakeRange(6,4)] intValue];

    //月份

    int strMonth = [[carid substringWithRange:NSMakeRange(10,2)] intValue];

    //日

    int strDay = [[carid substringWithRange:NSMakeRange(12,2)] intValue];

    

    NSTimeZone *localZone = [NSTimeZone localTimeZone];

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

    [dateFormatter setDateStyle:NSDateFormatterMediumStyle];

    [dateFormatter setTimeStyle:NSDateFormatterNoStyle];

    [dateFormatter setTimeZone:localZone];

    [dateFormatter setDateFormat:@"yyyy-MM-dd HH:mm:ss"];

    NSDate *date=[dateFormatter dateFromString:[NSString stringWithFormat:@"%d-%d-%d 12:01:01",strYear,strMonth,strDay]];

    if (date == nil) {

        return NO;

    }

    const char *PaperId  = [carid UTF8String];

    //检验长度

    if( 18 != strlen(PaperId)) return -1;

    //校验数字

    for (int i=0; i<18; i++) {

        if ( !isdigit(PaperId) && !(('X' == PaperId || 'x' == PaperId) && 17 == i) ) {

            return NO;

        }

    }

    //验证最末的校验码

    for (int i=0; i<=16; i++) {

        lSumQT += (PaperId-48) * R;

    }

    if (sChecker[lSumQT%11] != PaperId[17] ) {

        return NO;

    }

    return YES;

}