获取网络时间
- (NSDate *)getInternetDate { NSString *urlString = @"http://m.baidu.com"; urlString = [urlString stringByAddingPercentEscapesUsingEncoding: NSUTF8StringEncoding]; // 实例化NSMutableURLRequest,并进行参数配置 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]; // 处理返回的数据 // NSString *strReturn = [[NSString alloc] initWithData:returnData encoding:NSUTF8StringEncoding]; NSLog(@"response is %@",response); 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]; return netDate; }
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