迭代Joda Time的间隔

Question

是否有可能在间隔的开始和结束日期之间迭代时间,一次一天？使用clj-timeClojure库也可以!

Answer 1

是的.

像这样的东西:

DateTime now = DateTime.now();
DateTime start = now;
DateTime stop = now.plusDays(10);
DateTime inter = start;
// Loop through each day in the span
while (inter.compareTo(stop) < 0) {
    System.out.println(inter);
    // Go to next
    inter = inter.plusDays(1);
}

另外,这是Clojure的clj-time的实现:

(defn date-interval
  ([start end] (date-interval start end []))
  ([start end interval]
   (if (time/after? start end)
     interval
     (recur (time/plus start (time/days 1)) end (concat interval [start])))))

Answer 2

这应该工作.

(take-while (fn [t] (cljt/before? t to)) (iterate (fn [t] (cljt/plus t period)) from))