#计算接口数据返回耗时：

undefined

NSDate *d1 = [NSDate date];

[self.manager requestJSONDataWithMethod:@"post" path:@"data/search/xxx.do" parameters:params success:^(id responseObject) {

NSDate *d2 = [NSDate date];

NSTimeInterval time = [d2 timeIntervalSinceDate:d1];

NSLog(@"liqi==searchTimeCost====%f",time);

//简单计算耗时

successBlock([self parseResponDatas:responseObject]);

} failure:^(NSError *error) {

failureBlock(error);

}

注：NSTimeInterval本身是以秒为单位的值。

#计算任意两个时间点的时间差：

undefined

- (NSTimeInterval)pleaseInsertStarTime:(NSString *)starTime andInsertEndTime:(NSString *)endTime{

NSDateFormatter* formater = [[NSDateFormatter alloc] init];

[formater setDateFormat:@"mm:ss"];//根据自己的需求定义格式

NSDate* startDate = [formater dateFromString:starTime];

NSDate* endDate = [formater dateFromString:endTime];

NSTimeInterval time = [endDate timeIntervalSinceDate:startDate];

return time;

}

作者：Silence_广