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 = [NSMutableStringstringWithString:sPaperId];

    if ([sPaperId length] ==15) {

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

        long p = 0;

        const char *pid = [mStringUTF8String];

        for (int i=0; i<=16; i++) {

            p += (pid-48) * R;

        }

        int o = p%11;

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

        [mString insertString:string_contentatIndex:[mString length]];

        carid = mString;

    }

    

    //判断地区码

    NSMutableDictionary *dic = [[NSMutableDictionaryalloc] 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 = [[caridsubstringWithRange:NSMakeRange(6,4)]intValue];

    //月份

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

    //日

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

    

    NSTimeZone *localZone = [NSTimeZonelocalTimeZone];

    NSDateFormatter *dateFormatter = [[NSDateFormatteralloc] 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  = [caridUTF8String];

    //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;

}