代码：
- (void)viewDidLoad
{
[super viewDidLoad];
// Do any additional setup after loading the view.
NSString *birthDay=[self birthdayStrFromIdentityCard:@"134825194401014241"];
NSLog(@"--birthDay-%@",birthDay);
}
//传身份证返回生日字符串
-(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)];
//**检测前14位否全都是数字;
const char *str = [fontNumer UTF8String];
const char *p = str;
while (*p!='
代码：
- (void)viewDidLoad
{
[super viewDidLoad];
// Do any additional setup after loading the view.
NSString *birthDay=[self birthdayStrFromIdentityCard:@"134825194401014241"];
NSLog(@"--birthDay-%@",birthDay);
}
//传身份证返回生日字符串
-(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)];
//**检测前14位否全都是数字;
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;
}
输出:
2015-10-13 13:26:38.308 传身份证号码可返回生日字符串[6947:172533] --birthDay-1944-01-01
') {
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;
}- (void)viewDidLoad
{
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