iOS 格林威治 时间转换 NSString扩展
2024-05-16 23:14:23
#import <Foundation/Foundation.h>@interface NSString (Adapter)- (BOOL) isEmpty;
//截取两个字符串中间的内容
- (NSArray *)componentsSeparatedFromString:(NSString *)fromString toString:(NSString *)toString;
//手机号验证
- (BOOL)valiMobile;
//身份证号验证
-(BOOL)checkIsPeopleNumber;
//格林威志转 yyyy年MM月dd日
- (NSString *)timeToyyyyMMdd;
//格林威志转 yyyy-MM-dd
- (NSString *)timeToyyyy_MM_dd;
//格林威志转 yyyy-MM-dd HH:mm:ss
- (NSString *)timeToyyyyMMddHHmmssString;
//yyyy-MM-dd HH:mm:ss转格林威志
- (NSString *)timeToGreenDLXTime;
//格林威志转时间戳
- (NSTimeInterval)timeToGreenDLXToTimeString;
//时间戳转格林威志时间
- (NSString *)timeStringToGreenDLX;
//yyyy-MM-dd增加N年N月N天
- (NSString *)timeApendWithYear:(NSInteger )year Month:(NSInteger)month Day:(NSInteger)day;
//根据字体获取label的size
- (CGSize)getStringSizeWithFontSize:(CGFloat)font;
//根据字体和宽度获取size
- (CGSize)getStringSizeWithFontSize:(CGFloat)font Width:(CGFloat)width;
//yyyy-MM-dd HH:mm:ss转今天、昨天、几天前、日期
- (NSString *)createCommentTimeString;
@end
#import "NSString+Adapter.h"
static NSCalendar* g_UMCalendar = nil;
static NSCalendar* g_UMCurrentCalendar = nil;
NSString* const g_UMNullDateFormat = @"";
NSString* const g_UMFullDateFormat = @"yyyy-MM-dd HH:mm:ss";
NSString* const g_UMTodayDateFormat = @"HH:mm";
NSString* const g_UMCurYearDateFormat = @"MM-dd";
NSString* const g_UMBeforeCurYearDateFormat = @"yy-MM-dd";
NSString* const g_UMAfterCurYearDateFormat = @"yy-MM-dd";
NSString* const g_UMYesteday = @"昨天";@implementation NSString (Adapter)//判断内容是否全部为空格 yes 全部为空格 no 不是
- (BOOL) isEmpty{if (!self) {return YES;} else {NSCharacterSet *set = [NSCharacterSet whitespaceAndNewlineCharacterSet];NSString *trimedString = [self stringByTrimmingCharactersInSet:set];if ([trimedString length] == 0) {return YES;} else {return NO;}}
}
//截取两个字符串中间的内容
- (NSArray *)componentsSeparatedFromString:(NSString *)fromString toString:(NSString *)toString
{if (!fromString || !toString || fromString.length == 0 || toString.length == 0) {return nil;}NSMutableArray *subStringsArray = [[NSMutableArray alloc] init];NSString *tempString = self;NSRange range = [tempString rangeOfString:fromString];while (range.location != NSNotFound) {tempString = [tempString substringFromIndex:(range.location + range.length)];range = [tempString rangeOfString:toString];if (range.location != NSNotFound) {[subStringsArray addObject:[tempString substringToIndex:range.location]];range = [tempString rangeOfString:fromString];}else{break;}}return subStringsArray;
}/**手机号码 13[0-9],14[5|7|9],15[0-3],15[5-9],17[0|1|3|5|6|8],18[0-9]移动：134[0-8],13[5-9],147,15[0-2],15[7-9],178,18[2-4],18[7-8]联通：13[0-2],145,15[5-6],17[5-6],18[5-6]电信：133,1349,149,153,173,177,180,181,189虚拟运营商: 170[0-2]电信 170[3|5|6]移动 170[4|7|8|9],171 联通上网卡又称数据卡，14号段为上网卡专属号段，中国联通上网卡号段为145，中国移动上网卡号段为147，中国电信上网卡号段为149*/
- (BOOL)valiMobile
{NSString * MOBIL = @"^1(3[0-9]|4[5679]|5[0-35-9]|6[6]|7[01356]|8[0-9]|9[89])\\d{8}$";NSPredicate *regextestmobile = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", MOBIL];if ([regextestmobile evaluateWithObject:self]) {return YES;}return NO;
}-(BOOL)checkIsPeopleNumber
{NSString *num = self;//长度不为18的都排除掉if (num.length!=18) {return NO;}//校验格式NSString *regex2 = @"^(^[1-9]\\d{7}((0\\d)|(1[0-2]))(([0|1|2]\\d)|3[0-1])\\d{3}$)|(^[1-9]\\d{5}[1-9]\\d{3}((0\\d)|(1[0-2]))(([0|1|2]\\d)|3[0-1])((\\d{4})|\\d{3}[Xx])$)$";NSPredicate *identityCardPredicate = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",regex2];BOOL flag = [identityCardPredicate evaluateWithObject:num];if (!flag) {return flag; //格式错误}else {//格式正确在判断是否合法//将前17位加权因子保存在数组里NSArray * idCardWiArray = @[@"7", @"9", @"10", @"5", @"8", @"4", @"2", @"1", @"6", @"3", @"7", @"9", @"10", @"5", @"8", @"4", @"2"];//这是除以11后，可能产生的11位余数、验证码，也保存成数组NSArray * idCardYArray = @[@"1", @"0", @"10", @"9", @"8", @"7", @"6", @"5", @"4", @"3", @"2"];//用来保存前17位各自乖以加权因子后的总和NSInteger idCardWiSum = 0;for(int i = 0;i < 17;i++){NSInteger subStrIndex = [[num substringWithRange:NSMakeRange(i, 1)] integerValue];NSInteger idCardWiIndex = [[idCardWiArray objectAtIndex:i] integerValue];idCardWiSum+= subStrIndex * idCardWiIndex;}//计算出校验码所在数组的位置NSInteger idCardMod=idCardWiSum%11;//得到最后一位身份证号码NSString * idCardLast= [num substringWithRange:NSMakeRange(17, 1)];//如果等于2，则说明校验码是10，身份证号码最后一位应该是Xif(idCardMod==2){if([idCardLast isEqualToString:@"X"]||[idCardLast isEqualToString:@"x"]){return YES;}else{return NO;}}else{//用计算出的验证码与最后一位身份证号码匹配，如果一致，说明通过，否则是无效的身份证号码if([idCardLast isEqualToString: [idCardYArray objectAtIndex:idCardMod]]){return YES;}else{return NO;}}}
}- (NSString *)timeToyyyy_MM_dd{// 时间字符串NSDateFormatter *formatter = [[NSDateFormatter alloc] init]; // 2.格式化对象的样式/z大小写都行/格式必须严格和字符串时间一样formatter.dateFormat = @"yyyy-MM-dd'T'HH:mm:ss.SSSZ"; // 3.利用时间格式化对象让字符串转换成时间 (自动转换0时区/东加西减)NSDate *date = [formatter dateFromString:self];NSDateFormatter* formatter1 = [[NSDateFormatter alloc] init];formatter1.timeZone = [NSTimeZone timeZoneWithName:@"shanghai"];[formatter1 setDateStyle:NSDateFormatterMediumStyle];[formatter1 setTimeStyle:NSDateFormatterShortStyle];[formatter1 setDateFormat:@"yyyy-MM-dd"];NSString* dateString = [formatter1 stringFromDate:date];return dateString;
}- (NSString *)timeToyyyyMMdd{// 时间字符串NSDateFormatter *formatter = [[NSDateFormatter alloc] init]; // 2.格式化对象的样式/z大小写都行/格式必须严格和字符串时间一样formatter.dateFormat = @"yyyy-MM-dd'T'HH:mm:ss.SSSZ"; // 3.利用时间格式化对象让字符串转换成时间 (自动转换0时区/东加西减)NSDate *date = [formatter dateFromString:self];NSDateFormatter* formatter1 = [[NSDateFormatter alloc] init];formatter1.timeZone = [NSTimeZone timeZoneWithName:@"shanghai"];[formatter1 setDateStyle:NSDateFormatterMediumStyle];[formatter1 setTimeStyle:NSDateFormatterShortStyle];[formatter1 setDateFormat:@"yyyy年MM月dd日"];NSString* dateString = [formatter1 stringFromDate:date];return dateString;
}- (NSString *)timeToyyyyMMddHHmmssString{// 时间字符串NSDateFormatter *formatter = [[NSDateFormatter alloc] init]; // 2.格式化对象的样式/z大小写都行/格式必须严格和字符串时间一样formatter.dateFormat = @"yyyy-MM-dd'T'HH:mm:ss.SSSZ"; // 3.利用时间格式化对象让字符串转换成时间 (自动转换0时区/东加西减)NSDate *date = [formatter dateFromString:self];NSDateFormatter* formatter1 = [[NSDateFormatter alloc] init];formatter1.timeZone = [NSTimeZone timeZoneWithName:@"shanghai"];[formatter1 setDateStyle:NSDateFormatterMediumStyle];[formatter1 setTimeStyle:NSDateFormatterShortStyle];[formatter1 setDateFormat:@"yyyy-MM-dd HH:mm:ss"];NSString* dateString = [formatter1 stringFromDate:date];return dateString;
}- (NSString *)timeToGreenDLXTime{// 时间字符串NSDateFormatter *formatter = [[NSDateFormatter alloc] init]; // 2.格式化对象的样式/z大小写都行/格式必须严格和字符串时间一样formatter.dateFormat = @"yyyy-MM-dd HH:mm:ss"; // 3.利用时间格式化对象让字符串转换成时间 (自动转换0时区/东加西减)NSDate *date = [formatter dateFromString:self];NSDateFormatter* formatter1 = [[NSDateFormatter alloc] init];formatter1.timeZone = [NSTimeZone timeZoneWithName:@"shanghai"];[formatter1 setDateStyle:NSDateFormatterMediumStyle];[formatter1 setTimeStyle:NSDateFormatterShortStyle];[formatter1 setDateFormat:@"yyyy-MM-dd'T'HH:mm:ss.SSSZ"];NSString* dateString = [formatter1 stringFromDate:date];return dateString;
}- (NSTimeInterval)timeToGreenDLXToTimeString{NSDateFormatter *formatter = [[NSDateFormatter alloc] init];[formatter setDateStyle:NSDateFormatterMediumStyle];[formatter setTimeStyle:NSDateFormatterShortStyle];[formatter setDateFormat:@"yyyy-MM-dd'T'HH:mm:ss.SSSZ"];NSDate *Date = [formatter dateFromString:self];NSTimeInterval timeStr = [Date timeIntervalSince1970];return timeStr;
}- (NSString *)timeStringToGreenDLX{NSDate *date = [NSDate dateWithTimeIntervalSince1970:[self longLongValue]/1000];NSDateFormatter *formatter = [[NSDateFormatter alloc] init];[formatter setDateStyle:NSDateFormatterMediumStyle];[formatter setTimeStyle:NSDateFormatterShortStyle];[formatter setDateFormat:@"yyyy-MM-dd'T'HH:mm:ss.SSSZ"];NSString *dateString = [formatter stringFromDate:date];return dateString;
}- (NSString *)timeApendWithYear:(NSInteger )year Month:(NSInteger)month Day:(NSInteger)day{NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];[dateFormatter setTimeZone:[NSTimeZone timeZoneWithAbbreviation:@"UTC"]];[dateFormatter setDateFormat:@"yyyy-MM-dd"];NSDate* date = [dateFormatter dateFromString:self];NSDateComponents *comps = [[NSDateComponents alloc] init];[comps setYear:year];[comps setMonth:month];[comps setDay:day];NSCalendar *calendar = [[NSCalendar alloc] initWithCalendarIdentifier:NSCalendarIdentifierGregorian];NSDate *myDate = [calendar dateByAddingComponents:comps toDate:date options:0];NSString *time = [dateFormatter stringFromDate:myDate];return time;
}- (CGSize)getStringSizeWithFontSize:(CGFloat)font{CGSize size = [self sizeWithFont:[UIFont systemFontOfSize:font]constrainedToSize:CGSizeMake(FLT_MAX,FLT_MAX)lineBreakMode:UILineBreakModeWordWrap];return size;
}- (CGSize)getStringSizeWithFontSize:(CGFloat)font Width:(CGFloat)width{CGSize size = [self sizeWithFont:[UIFont systemFontOfSize:font]constrainedToSize:CGSizeMake(width,FLT_MAX)lineBreakMode:UILineBreakModeWordWrap];return size;
}+ (BOOL) isEmpty {NSString *str = [self string];if(!str) {return true;}else {NSCharacterSet *set = [NSCharacterSet whitespaceAndNewlineCharacterSet];NSString *trimedString = [str stringByTrimmingCharactersInSet:set];if([trimedString length] == 0) {return true;}else {return false;}}
}- (NSString *)createCommentTimeString
{if (![self isKindOfClass:[NSString class]] || self.length == 0) {return g_UMNullDateFormat;}NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];if (!g_UMCalendar) {g_UMCalendar = [[NSCalendar alloc] initWithCalendarIdentifier:NSGregorianCalendar];}[dateFormatter setCalendar:g_UMCalendar];[dateFormatter setDateFormat:g_UMFullDateFormat];NSDate *createDate= [dateFormatter dateFromString:self];if (createDate == nil) {return g_UMNullDateFormat;}if (!g_UMCurrentCalendar) {g_UMCurrentCalendar = [NSCalendar currentCalendar];NSTimeZone *zone = [NSTimeZone systemTimeZone];if (zone) {g_UMCurrentCalendar.timeZone = zone;}}//当前的时间NSDate *today = [NSDate date];NSDateComponents *todayComponents = [g_UMCurrentCalendar components:NSYearCalendarUnit|NSMonthCalendarUnit|NSDayCalendarUnit|NSHourCalendarUnit|NSMinuteCalendarUnit|NSSecondCalendarUnit fromDate:today];NSDateComponents *createComponents = [g_UMCurrentCalendar components:NSYearCalendarUnit|NSMonthCalendarUnit|NSDayCalendarUnit|NSHourCalendarUnit|NSMinuteCalendarUnit|NSSecondCalendarUnit fromDate:createDate];if (!todayComponents || !createComponents) {return g_UMNullDateFormat;}//计算创建时间的段一个月的最大天数NSRange createDateMaxDaysInCurMonth = [g_UMCurrentCalendar rangeOfUnit:NSDayCalendarUnitinUnit:NSMonthCalendarUnitforDate:createDate];if (createDateMaxDaysInCurMonth.length == NSNotFound) {//如果计算不出来当前的最大值，说明字符串给出的时间格式或者日期有问题return g_UMNullDateFormat;}NSString* reslutString = g_UMNullDateFormat;NSInteger yearsOffsetSinceNow = createComponents.year - todayComponents.year;if (yearsOffsetSinceNow > 0) {//创建时间大于当前的时间，此处就直接显示日期(yy-MM-dd)[dateFormatter setDateFormat:g_UMAfterCurYearDateFormat];reslutString = [dateFormatter stringFromDate:createDate];}else if (yearsOffsetSinceNow == 0){//在当年NSInteger monthOffsetSinceNow = createComponents.month - todayComponents.month;if (monthOffsetSinceNow > 0) {//创建时间大于当前的时间，此处就直接显示日期(yy-MM-dd)[dateFormatter setDateFormat:g_UMAfterCurYearDateFormat];reslutString = [dateFormatter stringFromDate:createDate];}else if (monthOffsetSinceNow == 0){//在当月NSInteger dayOffsetSinceNow = createComponents.day - todayComponents.day;if (dayOffsetSinceNow > 0) {//创建时间大于当前的时间，此处就直接显示日期(yy-MM-dd)[dateFormatter setDateFormat:g_UMAfterCurYearDateFormat];reslutString = [dateFormatter stringFromDate:createDate];}else if (dayOffsetSinceNow == 0){//今天（HH:mm）[dateFormatter setDateFormat:g_UMTodayDateFormat];reslutString = [dateFormatter stringFromDate:createDate];}else if (dayOffsetSinceNow == -1){//昨天（昨天 HH:mm）[dateFormatter setDateFormat:g_UMTodayDateFormat];NSString* tempString = [dateFormatter stringFromDate:createDate];if (!tempString) {return reslutString;}//2.5版的时间函数显示（昨天 HH:mm）reslutString = [NSString stringWithFormat:@"昨天%@",tempString];//2.6版本的时间函数显示 （昨天）// reslutString = g_UMYesteday;}else{//今年（MM-dd）[dateFormatter setDateFormat:g_UMCurYearDateFormat];reslutString = [dateFormatter stringFromDate:createDate];}}else{if ((monthOffsetSinceNow == -1) &&(createDateMaxDaysInCurMonth.length == createComponents.day) && todayComponents.day == 1) {//昨天（昨天 HH:mm）[dateFormatter setDateFormat:g_UMTodayDateFormat];NSString* tempString = [dateFormatter stringFromDate:createDate];if (!tempString) {return reslutString;}//2.5版的时间函数显示（昨天 HH:mm）reslutString = [NSString stringWithFormat:@"昨天%@",tempString];//2.6版本的时间函数显示 （昨天）// reslutString = g_UMYesteday;}else{//今年（MM-dd）[dateFormatter setDateFormat:g_UMCurYearDateFormat];reslutString = [dateFormatter stringFromDate:createDate];}}}else{//在去年或者以前的某一天if ((yearsOffsetSinceNow == -1) &&(createComponents.day == createDateMaxDaysInCurMonth.length) &&(createComponents.month == 12)&&(todayComponents.month == 1) && (todayComponents.day == 1)){//昨天（昨天 HH:mm）[dateFormatter setDateFormat:g_UMTodayDateFormat];NSString* tempString = [dateFormatter stringFromDate:createDate];if (!tempString) {return reslutString;}//时间函数显示（昨天 HH:mm）reslutString = [NSString stringWithFormat:@"昨天%@",tempString];}else{//往年(yy-MM-dd)[dateFormatter setDateFormat:g_UMBeforeCurYearDateFormat];reslutString = [dateFormatter stringFromDate:createDate];}}return reslutString;
}@end
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