使用網(wǎng)絡(luò)時(shí)間進(jìn)行租賃周期選擇、送還貨時(shí)間選擇蘸炸，避免當(dāng)前時(shí)間和服務(wù)器時(shí)間不同步/一些用戶惡搞尖奔，修改本地時(shí)間，造成無效訂單淹禾，業(yè)務(wù)看起來不復(fù)雜茴扁，但處理起來還是稍微有點(diǎn)麻煩:
1.除了時(shí)間真實(shí)性和及時(shí)性的問題，還要注意上方加減周期和下方換貨時(shí)間的聯(lián)動(dòng)問題，送貨時(shí)間和換貨時(shí)間切換后再改變上方加減周期的聯(lián)動(dòng)問題智嚷；
2.下面時(shí)間的獲取纺且、判定、比較代碼只是其中的一部分载碌，更多內(nèi)容可以看我的Demo;
一起來看一下效果：
項(xiàng)目實(shí)戰(zhàn)
技術(shù)點(diǎn)：
- 獲取網(wǎng)絡(luò)時(shí)間/服務(wù)器時(shí)間
//獲取網(wǎng)絡(luò)時(shí)間
+ (void)getNetWorkDateSuccess:(void(^)(NSDate *networkDate, NSString *networkDateStr))success {
NSString *urlString = @"https://www.baidu.com";
urlString = [urlString stringByAddingPercentEscapesUsingEncoding: NSUTF8StringEncoding];
NSMutableURLRequest *request = [[NSMutableURLRequest alloc] init];
[request setURL:[NSURL URLWithString: urlString]];
[request setCachePolicy:NSURLRequestReloadIgnoringCacheData];
[request setTimeoutInterval:5];
[request setHTTPShouldHandleCookies:FALSE];
[request setHTTPMethod:@"GET"];
__block NSDate *localDate;
[NSURLConnection sendAsynchronousRequest:request queue:[[NSOperationQueue alloc] init] completionHandler:^(NSURLResponse * _Nullable response, NSData * _Nullable data, NSError * _Nullable connectionError) {
if (!connectionError) {
//要把網(wǎng)絡(luò)數(shù)據(jù)強(qiáng)轉(zhuǎn) 不然用不了下面那個(gè)方法獲取不到內(nèi)容（個(gè)人感覺嫁艇，不知道對(duì)不）
NSHTTPURLResponse *responsee = (NSHTTPURLResponse *)response;
NSString *date = [[responsee allHeaderFields] objectForKey:@"Date"];
date = [date substringFromIndex:5];
date = [date substringToIndex:[date length]-4];
NSDateFormatter *dMatter = [[NSDateFormatter alloc] init];
dMatter.locale = [[NSLocale alloc] initWithLocaleIdentifier:@"en_US"];
[dMatter setDateFormat:@"dd MMM yyyy HH:mm:ss"];
//處理八小時(shí)問題-這里獲取到的是標(biāo)準(zhǔn)時(shí)間
NSDate *netDate = [dMatter dateFromString:date];
NSTimeZone *zone = [NSTimeZone systemTimeZone];
NSInteger interval = [zone secondsFromGMTForDate:netDate];
NSLog(@"interval: %ld", interval);
localDate = [netDate dateByAddingTimeInterval: interval];
NSLog(@"%@________1",localDate);
NSDateFormatter *formatter = [[NSDateFormatter alloc] init];
[formatter setDateFormat:@"YYYY-MM-dd HH:mm:ss"];
NSString *nowtimeStr = [NSString string];
nowtimeStr = [formatter stringFromDate:localDate];
NSLog(@"%@--------2",nowtimeStr);
dispatch_async(dispatch_get_main_queue(), ^{
if (success) {
success(localDate, nowtimeStr);
}
});
}else {
dispatch_async(dispatch_get_main_queue(), ^{
[MBProgressHUD showError:@"網(wǎng)絡(luò)異常, 請(qǐng)稍后重試"];
});
}
}];
}
- 時(shí)間計(jì)算-增/減日期
//根據(jù)時(shí)間間隔計(jì)算新的時(shí)間 年-月-日 字符串格式(年-月-日)
+ (NSString *)updateDateWithDateStr:(NSString *)dateStr Interval:(NSTimeInterval)interval IsAdd:(BOOL)isAdd {
NSTimeInterval endTime;
NSDateFormatter *formatter = [[NSDateFormatter alloc] init];
[formatter setDateFormat:@"yyyy-MM-dd"];
NSTimeInterval fromTime = [[formatter dateFromString:dateStr] timeIntervalSince1970];
if (isAdd) {
endTime = fromTime + interval;
}else {
endTime = fromTime - interval;
}
//時(shí)間戳轉(zhuǎn)時(shí)間
NSDate *endDate = [NSDate dateWithTimeIntervalSince1970:endTime];
NSDateFormatter *dateformatter=[[NSDateFormatter alloc] init];
[dateformatter setDateFormat:@"yyyy-MM-dd"];
NSString *endDateStr = [dateformatter stringFromDate:endDate];
return endDateStr;
}
//根據(jù)時(shí)間間隔計(jì)算新的時(shí)間 年-月-日
+ (NSString *)updateDateWithDate:(NSDate *)date Interval:(NSTimeInterval)interval IsAdd:(BOOL)isAdd {
NSTimeInterval endTime;
NSDateFormatter *formatter = [[NSDateFormatter alloc] init];
[formatter setDateFormat:@"yyyy-MM-dd"];
NSString *fromDateStr = [formatter stringFromDate:date];
NSTimeInterval fromTime = [[formatter dateFromString:fromDateStr] timeIntervalSince1970];
if (isAdd) {
endTime = fromTime + interval;
}else {
endTime = fromTime - interval;
}
//時(shí)間戳轉(zhuǎn)時(shí)間
NSDate *endDate = [NSDate dateWithTimeIntervalSince1970:endTime];
NSDateFormatter *dateformatter=[[NSDateFormatter alloc] init];
[dateformatter setDateFormat:@"yyyy-MM-dd"];
NSString *endDateStr = [dateformatter stringFromDate:endDate];
return endDateStr;
}
//根據(jù)時(shí)間間隔計(jì)算新的時(shí)間 年-月-日 時(shí):分:秒
+ (NSString *)updatePreciseDateWithDate:(NSDate *)date Interval:(NSTimeInterval)interval IsAdd:(BOOL)isAdd {
NSTimeInterval endTime;
NSDateFormatter *formatter = [[NSDateFormatter alloc] init];
[formatter setDateFormat:@"yyyy-MM-dd HH:mm:ss"];
NSString *fromDateStr = [formatter stringFromDate:date];
NSTimeInterval fromTime = [[formatter dateFromString:fromDateStr] timeIntervalSince1970];
if (isAdd) {
endTime = fromTime + interval;
}else {
endTime = fromTime - interval;
}
//時(shí)間戳轉(zhuǎn)時(shí)間
NSDate *endDate = [NSDate dateWithTimeIntervalSince1970:endTime];
NSDateFormatter *dateformatter=[[NSDateFormatter alloc] init];
[dateformatter setDateFormat:@"yyyy-MM-dd HH:mm:ss"];
NSString *endDateStr = [dateformatter stringFromDate:endDate];
return endDateStr;
}
3.時(shí)間間隔判斷
#pragma mark - 判斷當(dāng)前時(shí)間是否在某一時(shí)間段
/**
@param fromDate 開始時(shí)間 @“10:00”
@param toDate 結(jié)束時(shí)間 @“15:00”
@return 判斷結(jié)果
*/
- (BOOL)isOpenTimeWithFromDate:(NSString *)fromDate toDate:(NSString *)toDate {
//獲取當(dāng)前時(shí)間
NSDateFormatter *formatter = [[NSDateFormatter alloc] init];
[formatter setDateFormat:@"yyyy-MM-dd"];
NSString *dateStr = [formatter stringFromDate:_networkDate];
//開始時(shí)間和結(jié)束時(shí)間
NSString *fromDateStr = [NSString stringWithFormat:@"%@ %@", dateStr, fromDate];
NSString *endDateStr = [NSString stringWithFormat:@"%@ %@", dateStr, toDate];
[formatter setDateFormat:@"yyyy-MM-dd HH:mm"];
NSTimeInterval fromTime = [[formatter dateFromString:fromDateStr] timeIntervalSince1970];
NSTimeInterval endTime = [[formatter dateFromString:endDateStr] timeIntervalSince1970];
NSTimeInterval currentTime = [_networkDate timeIntervalSince1970];
if (currentTime > fromTime && currentTime < endTime) {
return YES;
}else {
return NO;
}
}
#pragma mark - 判斷當(dāng)前時(shí)間是否處于某一時(shí)間之前
/**
判斷當(dāng)前時(shí)間是否處于某一時(shí)間之前
@param currentDate 當(dāng)前時(shí)間
@param toDate 比較時(shí)間
@return 比較結(jié)果
*/
- (BOOL)isGreaterThanWithCurrentDate:(NSDate *)currentDate ToDate:(NSString *)toDate {
//獲取當(dāng)前時(shí)間
NSDateFormatter *formatter = [[NSDateFormatter alloc] init];
[formatter setDateFormat:@"yyyy-MM-dd"];
NSString *dateStr = [formatter stringFromDate:currentDate];
//開始時(shí)間和結(jié)束時(shí)間
NSString *toDateStr = [NSString stringWithFormat:@"%@ %@", dateStr, toDate];
[formatter setDateFormat:@"yyyy-MM-dd HH:mm"];
NSTimeInterval toTime = [[formatter dateFromString:toDateStr] timeIntervalSince1970];
NSTimeInterval currentTime = [currentDate timeIntervalSince1970];
if (currentTime > toTime) {
return YES;
}else {
return NO;
}
}
