首页 > 代码库 > JS 获取 本周、本月、本季度、本年、上月、上周、上季度、去年

JS 获取 本周、本月、本季度、本年、上月、上周、上季度、去年

2024-07-07 19:01:08   219人阅读

?
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
/**
* 日期范围工具类
*/
var dateRangeUtil = (function () {
    /***
    * 获得当前时间
    */
    this.getCurrentDate = function () {
        return new Date();
    };
 
    /***
    * 获得本周起止时间
    */
    this.getCurrentWeek = function () {
        //起止日期数组 
        var startStop = new Array();
        //获取当前时间 
        var currentDate = this.getCurrentDate();
        //返回date是一周中的某一天 
        var week = currentDate.getDay();
        //返回date是一个月中的某一天 
        var month = currentDate.getDate();
 
        //一天的毫秒数 
        var millisecond = 1000 * 60 * 60 * 24;
        //减去的天数 
        var minusDay = week != 0 ? week - 1 : 6;
        //alert(minusDay); 
        //本周 周一 
        var monday = new Date(currentDate.getTime() - (minusDay * millisecond));
        //本周 周日 
        var sunday = new Date(monday.getTime() + (6 * millisecond));
        //添加本周时间 
        startStop.push(monday); //本周起始时间 
        //添加本周最后一天时间 
        startStop.push(sunday); //本周终止时间 
        //返回 
        return startStop;
    };
 
    /***
    * 获得本月的起止时间
    */
    this.getCurrentMonth = function () {
        //起止日期数组 
        var startStop = new Array();
        //获取当前时间 
        var currentDate = this.getCurrentDate();
        //获得当前月份0-11 
        var currentMonth = currentDate.getMonth();
        //获得当前年份4位年 
        var currentYear = currentDate.getFullYear();
        //求出本月第一天 
        var firstDay = new Date(currentYear, currentMonth, 1);
 
 
        //当为12月的时候年份需要加1 
        //月份需要更新为0 也就是下一年的第一个月 
        if (currentMonth == 11) {
            currentYear++;
            currentMonth = 0; //就为 
        } else {
            //否则只是月份增加,以便求的下一月的第一天 
            currentMonth++;
        }
 
 
        //一天的毫秒数 
        var millisecond = 1000 * 60 * 60 * 24;
        //下月的第一天 
        var nextMonthDayOne = new Date(currentYear, currentMonth, 1);
        //求出上月的最后一天 
        var lastDay = new Date(nextMonthDayOne.getTime() - millisecond);
 
        //添加至数组中返回 
        startStop.push(firstDay);
        startStop.push(lastDay);
        //返回 
        return startStop;
    };
 
    /**
    * 得到本季度开始的月份
    * @param month 需要计算的月份
    ***/
    this.getQuarterSeasonStartMonth = function (month) {
        var quarterMonthStart = 0;
        var spring = 0; //春 
        var summer = 3; //夏 
        var fall = 6;   //秋 
        var winter = 9; //冬 
        //月份从0-11 
        if (month < 3) {
            return spring;
        }
 
        if (month < 6) {
            return summer;
        }
 
        if (month < 9) {
            return fall;
        }
 
        return winter;
    };
 
    /**
    * 获得该月的天数
    * @param year年份
    * @param month月份
    * */
    this.getMonthDays = function (year, month) {
        //本月第一天 1-31 
        var relativeDate = new Date(year, month, 1);
        //获得当前月份0-11 
        var relativeMonth = relativeDate.getMonth();
        //获得当前年份4位年 
        var relativeYear = relativeDate.getFullYear();
 
        //当为12月的时候年份需要加1 
        //月份需要更新为0 也就是下一年的第一个月 
        if (relativeMonth == 11) {
            relativeYear++;
            relativeMonth = 0;
        } else {
            //否则只是月份增加,以便求的下一月的第一天 
            relativeMonth++;
        }
        //一天的毫秒数 
        var millisecond = 1000 * 60 * 60 * 24;
        //下月的第一天 
        var nextMonthDayOne = new Date(relativeYear, relativeMonth, 1);
        //返回得到上月的最后一天,也就是本月总天数 
        return new Date(nextMonthDayOne.getTime() - millisecond).getDate();
    };
 
    /**
    * 获得本季度的起止日期
    */
    this.getCurrentSeason = function () {
        //起止日期数组 
        var startStop = new Array();
        //获取当前时间 
        var currentDate = this.getCurrentDate();
        //获得当前月份0-11 
        var currentMonth = currentDate.getMonth();
        //获得当前年份4位年 
        var currentYear = currentDate.getFullYear();
        //获得本季度开始月份 
        var quarterSeasonStartMonth = this.getQuarterSeasonStartMonth(currentMonth);
        //获得本季度结束月份 
        var quarterSeasonEndMonth = quarterSeasonStartMonth + 2;
 
        //获得本季度开始的日期 
        var quarterSeasonStartDate = new Date(currentYear, quarterSeasonStartMonth, 1);
        //获得本季度结束的日期 
        var quarterSeasonEndDate = new Date(currentYear, quarterSeasonEndMonth, this.getMonthDays(currentYear, quarterSeasonEndMonth));
        //加入数组返回 
        startStop.push(quarterSeasonStartDate);
        startStop.push(quarterSeasonEndDate);
        //返回 
        return startStop;
    };
 
    /***
    * 得到本年的起止日期
    *
    */
    this.getCurrentYear = function () {
        //起止日期数组 
        var startStop = new Array();
        //获取当前时间 
        var currentDate = this.getCurrentDate();
        //获得当前年份4位年 
        var currentYear = currentDate.getFullYear();
 
        //本年第一天 
        var currentYearFirstDate = new Date(currentYear, 0, 1);
        //本年最后一天 
        var currentYearLastDate = new Date(currentYear, 11, 31);
        //添加至数组 
        startStop.push(currentYearFirstDate);
        startStop.push(currentYearLastDate);
        //返回 
        return startStop;
    };
 
    /**
    * 返回上一个月的第一天Date类型
    * @param year 年
    * @param month 月
    **/
    this.getPriorMonthFirstDay = function (year, month) {
        //年份为0代表,是本年的第一月,所以不能减 
        if (month == 0) {
            month = 11; //月份为上年的最后月份 
            year--; //年份减1 
            return new Date(year, month, 1);
        }
        //否则,只减去月份 
        month--;
        return new Date(year, month, 1); ;
    };
 
    /**
    * 获得上一月的起止日期
    * ***/
    this.getPreviousMonth = function () {
        //起止日期数组 
        var startStop = new Array();
        //获取当前时间 
        var currentDate = this.getCurrentDate();
        //获得当前月份0-11 
        var currentMonth = currentDate.getMonth();
        //获得当前年份4位年 
        var currentYear = currentDate.getFullYear();
        //获得上一个月的第一天 
        var priorMonthFirstDay = this.getPriorMonthFirstDay(currentYear, currentMonth);
        //获得上一月的最后一天 
        var priorMonthLastDay = new Date(priorMonthFirstDay.getFullYear(), priorMonthFirstDay.getMonth(), this.getMonthDays(priorMonthFirstDay.getFullYear(), priorMonthFirstDay.getMonth()));
        //添加至数组 
        startStop.push(priorMonthFirstDay);
        startStop.push(priorMonthLastDay);
        //返回 
        return startStop;
    };
 
 
    /**
    * 获得上一周的起止日期
    * **/
    this.getPreviousWeek = function () {
        //起止日期数组 
        var startStop = new Array();
        //获取当前时间 
        var currentDate = this.getCurrentDate();
        //返回date是一周中的某一天 
        var week = currentDate.getDay();
        //返回date是一个月中的某一天 
        var month = currentDate.getDate();
        //一天的毫秒数 
        var millisecond = 1000 * 60 * 60 * 24;
        //减去的天数 
        var minusDay = week != 0 ? week - 1 : 6;
        //获得当前周的第一天 
        var currentWeekDayOne = new Date(currentDate.getTime() - (millisecond * minusDay));
        //上周最后一天即本周开始的前一天 
        var priorWeekLastDay = new Date(currentWeekDayOne.getTime() - millisecond);
        //上周的第一天 
        var priorWeekFirstDay = new Date(priorWeekLastDay.getTime() - (millisecond * 6));
 
        //添加至数组 
        startStop.push(priorWeekFirstDay);
        startStop.push(priorWeekLastDay);
 
        return startStop;
    };
 
    /**
    * 得到上季度的起始日期
    * year 这个年应该是运算后得到的当前本季度的年份
    * month 这个应该是运算后得到的当前季度的开始月份
    * */
    this.getPriorSeasonFirstDay = function (year, month) {
        var quarterMonthStart = 0;
        var spring = 0; //春 
        var summer = 3; //夏 
        var fall = 6;   //秋 
        var winter = 9; //冬 
        //月份从0-11 
        switch (month) {//季度的其实月份 
            case spring:
                //如果是第一季度则应该到去年的冬季 
                year--;
                month = winter;
                break;
            case summer:
                month = spring;
                break;
            case fall:
                month = summer;
                break;
            case winter:
                month = fall;
                break;
 
        };
 
        return new Date(year, month, 1);
    };
 
    /**
    * 得到上季度的起止日期
    * **/
    this.getPreviousSeason = function () {
        //起止日期数组 
        var startStop = new Array();
        //获取当前时间 
        var currentDate = this.getCurrentDate();
        //获得当前月份0-11 
        var currentMonth = currentDate.getMonth();
        //获得当前年份4位年 
        var currentYear = currentDate.getFullYear();
        //上季度的第一天 
        var priorSeasonFirstDay = this.getPriorSeasonFirstDay(currentYear, currentMonth);
        //上季度的最后一天 
        var priorSeasonLastDay = new Date(priorSeasonFirstDay.getFullYear(), priorSeasonFirstDay.getMonth() + 2, this.getMonthDays(priorSeasonFirstDay.getFullYear(), priorSeasonFirstDay.getMonth() + 2));
        //添加至数组 
        startStop.push(priorSeasonFirstDay);
        startStop.push(priorSeasonLastDay);
        return startStop;
    };
 
    /**
    * 得到去年的起止日期
    * **/
    this.getPreviousYear = function () {
        //起止日期数组 
        var startStop = new Array();
        //获取当前时间 
        var currentDate = this.getCurrentDate();
        //获得当前年份4位年 
        var currentYear = currentDate.getFullYear();
        currentYear--;
        var priorYearFirstDay = new Date(currentYear, 0, 1);
        var priorYearLastDay = new Date(currentYear, 11, 1);
        //添加至数组 
        startStop.push(priorYearFirstDay);
        startStop.push(priorYearLastDay);
        return startStop;
    };
 
    return this;
})();

　　

使用：

?
1
2
3
4
5
6
……
case "本月":
    $("#startDate").val(dateRangeUtil.getCurrentMonth()[0].Format("yyyy-MM-dd"));
    $("#endDate").val(dateRangeUtil.getCurrentMonth()[1].Format("yyyy-MM-dd"));
    break;
……

　　


联系
我们