传身份证号码可返回生日字符串代码,ObjC代码库,德仔网

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【ObjC】传身份证号码可返回生日字符串

作者:伯钊 / 发布于2014/11/17/ 701


	-(NSString *)birthdayStrFromIdentityCard:(NSString *)numberStr{
	
	 if(EMPTY_NIL_STR(numberStr))
	 return nil;
	 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;
	
	}

试试其它关键字

　身份证号码　　生日字符串　

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