Vue禁止选择以后的日期或者默认显示某个日期

1. <el-date-picker style="width: 100%"
2. v-model="form.statDate"
3. type="date"
4. :editable="false"
5. :clearable="false"
6. format="yyyy-MM-dd"
7. :picker-options="pickerOptions"
8. value-format="yyyy-MM-dd"
9. placeholder="请选择数据日期">
10. </el-date-picker>

1. data() {
2. return {
3. pickerOptions: {
4. // 不能选择以后的日期 yyyy-MM-dd
5. disabledDate(time) {
6. // return time.getTime() > Date.now() - n * 24 * 60 * 60 * 1000; n等于减去多少天
7. let currentTime = new Date();
8.           currentTime.setTime(currentTime.getTime());
9. let month = currentTime.getMonth() + 1;
10. let date = currentTime.getDate();
11. let fullMonth = month < 10 ? '0' + month : month;
12. let fullDay = date < 10 ? '0' + date : date;
13. let baseTime = new Date(
14.               currentTime.getFullYear() + '-' + fullMonth + '-' + fullDay,
15.           );
16. return time.getTime() > baseTime.getTime();
17.         }
18.       }
19.     }
20.   }

1. //默认选中当前日期的前n天日期 yyyy-MM-dd 形式
2. getDefaultDay() {
3. // 或者 new Date(new Date().getTime() - n * 24 * 60 * 60 * 1000),
4. const date = new Date();
5.       date.setTime(date.getTime()-3600 * 1000 * 24 * n);
6. let dateDate = date;
7. let month = dateDate.getMonth() + 1;
8. let fullMonth = month < 10 ? '0' + month : month;
9. let day =
10.           dateDate.getDate() < 10 ? '0' + dateDate.getDate() : dateDate.getDate();
11. // 赋值即可
12. this.form.statDate =
13.           dateDate.getFullYear() + '-' + fullMonth + '-' + day;
14.     }