#import <Foundation/Foundation.h>

int main(int argc, const char * argv[]) {
    @autoreleasepool {
        
        char input[100];
        NSLog(@"输入身份证号码>>>");
        scanf("%s",input);
        
        
        NSMutableString *str=[NSMutableString stringWithFormat:@"%s",input];
        
        
        BOOL wh = [str hasPrefix:@"4201"];
        
        if (wh) {
            NSLog(@"武汉人");
        }else{
            NSLog(@"不是武汉人");
        }
        
        BOOL gender1 = [str hasSuffix:@"1"];
        BOOL gender2 = [str hasSuffix:@"3"];
        
        if (gender1||gender2) {
            NSLog(@"男人");
        }else{
            NSLog(@"女人");
        }
        
    }
    return 0;
}

发这么多啊

服了，一天就是中级黑马了

感觉很有帮助,谢谢了

wx19960123 发表于 2017-6-12 21:01
感觉很有帮助,谢谢了

记得多来评论哦,一起交流.

//判断身份证号码是否正确
+ (BOOL)checkIdCardNumber:(NSString *)IdCardNumber
{
    IdCardNumber = [IdCardNumber stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]];
    if ([IdCardNumber length] != 18) {
        return NO;
    }
    //判断月份
    NSString *mmdd = @"(((0[13578]|1[02])(0[1-9]|[12][0-9]|3[01]))|((0[469]|11)(0[1-9]|[12][0-9]|30))|(02(0[1-9]|[1][0-9]|2[0-8])))";
    //闰月
    NSString *leapMmdd = @"0229";
   
    //判断年份  1900-2009
    NSString *year = @"((19[0-9][0-9])|(200[0-9]|201[1-5]))";
    //闰年
    NSString *leapYear = @"(19|20)(0[48]|[2468][048]|[13579][26])";
   
    NSString *yearMmdd = [NSString stringWithFormat:@"%@%@", year, mmdd];
    NSString *leapyearMmdd = [NSString stringWithFormat:@"%@%@", leapYear, leapMmdd];
    NSString *yyyyMmdd = [NSString stringWithFormat:@"((%@)|(%@)|(%@))", yearMmdd, leapyearMmdd, @"20000229"];
    //判断地区，前六位,35种可能
    NSString *area = @"(1[1-5]|2[1-3]|3[1-7]|4[1-6]|5[0-4]|6[1-5]|71|8[12])[0-9]{4}";
    NSString *regex = [NSString stringWithFormat:@"%@%@%@", area, yyyyMmdd  , @"[0-9]{3}[0-9Xx]"];
    NSPredicate *regexTest = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",regex];
    if (![regexTest evaluateWithObject:IdCardNumber]) {
        return NO;
    }
   
    //判断校验位
    int summary = ([IdCardNumber substringWithRange:NSMakeRange(0, 1)].intValue + [IdCardNumber substringWithRange:NSMakeRange(10,1)].intValue) *7
    + ([IdCardNumber substringWithRange:NSMakeRange(1,1)].intValue + [IdCardNumber substringWithRange:NSMakeRange(11,1)].intValue) *9
    + ([IdCardNumber substringWithRange:NSMakeRange(2,1)].intValue + [IdCardNumber substringWithRange:NSMakeRange(12,1)].intValue) *10
    + ([IdCardNumber substringWithRange:NSMakeRange(3,1)].intValue + [IdCardNumber substringWithRange:NSMakeRange(13,1)].intValue) *5
    + ([IdCardNumber substringWithRange:NSMakeRange(4,1)].intValue + [IdCardNumber substringWithRange:NSMakeRange(14,1)].intValue) *8
    + ([IdCardNumber substringWithRange:NSMakeRange(5,1)].intValue + [IdCardNumber substringWithRange:NSMakeRange(15,1)].intValue) *4
    + ([IdCardNumber substringWithRange:NSMakeRange(6,1)].intValue + [IdCardNumber substringWithRange:NSMakeRange(16,1)].intValue) *2
    + [IdCardNumber substringWithRange:NSMakeRange(7,1)].intValue *1 + [IdCardNumber substringWithRange:NSMakeRange(8,1)].intValue *6
    + [IdCardNumber substringWithRange:NSMakeRange(9,1)].intValue *3;
    NSInteger remainder = summary % 11;
    NSString *chectBit = @"";
    NSString *checkString = @"10X98765432";
    chectBit = [checkString substringWithRange:NSMakeRange(remainder, 1)];
    return [chectBit isEqualToString:[[IdCardNumber substringWithRange:NSMakeRange(17, 1)] uppercaseString]];
}


身份证格式判断