1 /**
2 * Created by Administrator on 2015/12/11.
3 */
4 dateRange = {
5 currentDate: new Date(),
6 millisecond: 1000 * 60 * 60 * 24,//一天的毫秒数
7 getThisWeek: function() {
8 //起止日期数组
9 var startStop = new Array();
10 //返回date是一周中的某一天
11 var week = dateRange.currentDate.getDay();
12 //减去的天数
13 var minusDay = week != 0 ? week - 1 : 6;
14 //本周 周一
15 var monday = new Date(dateRange.currentDate.getTime() - (minusDay * dateRange.millisecond));
16 //本周 周日
17 var sunday = new Date(monday.getTime() + (6 * dateRange.millisecond));
18 //添加本周时间
19 startStop.push(dateRange.formatterDate(monday)); //本周起始时间
20 //添加本周最后一天时间
21 startStop.push(dateRange.formatterDate(sunday)); //本周终止时间
22 //返回
23 return startStop;
24 },
25 /**
26 * 获得上一周的起止日期
27 */
28 getLastWeek: function() {
29 //起止日期数组
30 var startStop = new Array();
31 //返回date是一周中的某一天
32 var week = dateRange.currentDate.getDay();
33 //减去的天数
34 var minusDay = week != 0 ? week - 1 : 6;
35 //获得当前周的第一天
36 var currentWeekDayOne = new Date(dateRange.currentDate.getTime() - (dateRange.millisecond * minusDay));
37 //上周最后一天即本周开始的前一天
38 var priorWeekLastDay = new Date(currentWeekDayOne.getTime() - dateRange.millisecond);
39 //上周的第一天
40 var priorWeekFirstDay = new Date(priorWeekLastDay.getTime() - (dateRange.millisecond * 6));
41
42 startStop.push(dateRange.formatterDate(priorWeekFirstDay));
43 startStop.push(dateRange.formatterDate(priorWeekLastDay));
44 //返回
45 return startStop;
46 },
47 /**
48 * 获得这个月的起止日期
49 */
50 getThisMonth: function() {
51 var startStop = new Array();
52 //获得当前月份0-11
53 var currentMonth = dateRange.currentDate.getMonth();
54 //获得当前年份4位年
55 var currentYear = dateRange.currentDate.getFullYear();
56 //求出本月第一天
57 var firstDay = new Date(currentYear, currentMonth, 1);
58 //当为12月的时候年份需要加1
59 //月份需要更新为0 也就是下一年的第一个月
60 //否则只是月份增加,以便求的下一月的第一天
61 if (currentMonth == 11) {
62 currentYear++;
63 currentMonth = 0;
64 } else {
65 currentMonth++;
66 }
67 //下月的第一天
68 var nextMonthDayOne = new Date(currentYear, currentMonth, 1);
69 //求出上月的最后一天
70 var lastDay = new Date(nextMonthDayOne.getTime() - dateRange.millisecond);
71
72 startStop.push(dateRange.formatterDate(firstDay));
73 startStop.push(dateRange.formatterDate(lastDay));
74 //返回
75 return startStop;
76 },
77 /**
78 * 获得上个月的起止日期
79 */
80 getLastMonth: function() {
81 var startStop = new Array();
82 //获得当前月份0-11
83 var currentMonth = dateRange.currentDate.getMonth();
84 //获得当前年份4位年
85 var currentYear = dateRange.currentDate.getFullYear();
86 var currentDay = new Date(currentYear, currentMonth, 1);
87 //上个月的第一天
88 //年份为0代表,是本年的第一月,所以不能减
89 if (currentMonth == 0) {
90 currentMonth = 11; //月份为上年的最后月份
91 currentYear--; //年份减1
92 }
93 else {
94 currentMonth--;
95 }
96 var firstDay = new Date(currentYear, currentMonth, 1);
97 //求出上月的最后一天
98 var lastDay = new Date(currentDay.getTime() - dateRange.millisecond);
99
100 startStop.push(dateRange.formatterDate(firstDay));
101 startStop.push(dateRange.formatterDate(lastDay));
102 //返回
103 return startStop;
104 },
105 /**
106 * 格式化日期（不含时间）
107 */
108 formatterDate : function(date) {
109 var datetime = date.getFullYear()
110 + "-"// "年"
111 + ((date.getMonth() + 1) > 10 ? (date.getMonth() + 1) : "0"
112 + (date.getMonth() + 1))
113 + "-"// "月"
114 + (date.getDate() < 10 ? "0" + date.getDate() : date
115 .getDate());
116 return datetime;
117 }
118 }
