當(dāng)我們需要獲取網(wǎng)絡(luò)時(shí)間的時(shí)候，我們可以從服務(wù)器是獲取记餐，但是對(duì)于沒有自己服務(wù)器的小伙伴來說，只能從網(wǎng)絡(luò)上獲取了，這里我們是從百度來獲取網(wǎng)絡(luò)時(shí)間，具體代碼如下：
+ (NSString *)acquiringTimeStamp{
NSString *urlString = @"http://m.baidu.com";
urlString = [urlString stringByAddingPercentEscapesUsingEncoding: NSUTF8StringEncoding];
NSMutableURLRequest *request = [[NSMutableURLRequest alloc] init];
[request setURL:[NSURL URLWithString: urlString]];
[request setCachePolicy:NSURLRequestReloadIgnoringCacheData];
[request setTimeoutInterval: 2];
[request setHTTPShouldHandleCookies:FALSE];
[request setHTTPMethod:@"GET"];
NSHTTPURLResponse *response;
[NSURLConnection sendSynchronousRequest:request returningResponse:&response error:nil];
NSString *date = [[response 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"];
NSDate *netDate = [[dMatter dateFromString:date] dateByAddingTimeInterval:60*60*8];
UInt64 recordTime = [netDate timeIntervalSince1970]*1000;
return [NSString stringWithFormat:@"%lld",recordTime];
}
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