如何對下列對象數組排序,要將weekday相同的放在一塊,並按時間升序:
[
{"start":"14:01","end":"16:00","weekday":1}
{"start":"10:00","end":"12:00","weekday":0},
{"start":"14:01","end":"16:00","weekday":0},
{"start":"10:00","end":"12:00","weekday":1},
{"start":"12:01","end":"14:00","weekday":1},
{"start":"12:01","end":"14:00","weekday":0},
]
Jquery對排序提供了一個方法:sort()。但是這個只是針對string int這樣的原始類型的。對對象,對象數組不行。
對對象,對象數組我們可以使用sort()的自定義方法:
數組.sort(
function sortRule(a,b) {
if(a.屬性 > b.屬性) return 1 交換位置
if(a.屬性 < b.屬性) return -1 不要交換位置
if(a.屬性 = b.屬性) return 0 不要交換位置
}
)
代碼:對它進行兩次排序就OK了,先根據時間排序,在根據weekday進行排序。(但是反過來先根據weekday在根據時間排序就不行)
var d = [ {"start":"10:00","end":"12:00","weekday":0}, {"start":"12:01","end":"14:00","weekday":0}, {"start":"12:01","end":"14:00","weekday":1}, {"start":"10:00","end":"12:00","weekday":1}, {"start":"14:01","end":"16:00","weekday":1}, {"start":"14:01","end":"16:00","weekday":0} ] ; d.sort(function(a,b){ if(a.start>b.start) return 1 ; if(a.start<b.start) return -1 ; return 0 ; }) ; d.sort(function(a,b){ if(a.weekday>b.weekday) return 1 ; if(a.weekday<b.weekday) return -1 ; return 0 ; })