ios 身份证号码截取年、月、日

实现方法如下

NSString *string=@"440822199111114472";

//截取年份

NSRange range = NSMakeRange(6, 4);

NSString *year = [string substringWithRange:range];

//截取月份

NSRange range1 = NSMakeRange(10, 2);

NSString *month = [string substringWithRange:range1];

//截取日

NSRange range2 = NSMakeRange(12, 2);

NSString *day = [string substringWithRange:range2];

NSLog(@"%@-%@-%@",year,month,day);