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;
}