index.js 3.4 KB

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  1. const month = ['01', '02', '03', '04', '05', '06', '07', '08', '09', '10', '11', '12'],
  2. day = ['01', '02', '03', '04', '05', '06', '07', '08', '09', '10', '11', '12', '13', '14', '15', '16', '17', '18', '19', '20', '21', '22', '23', '24', '25', '26', '27', '28', '29', '30', '31'],
  3. getTime = require("../../utils/getTime");
  4. Component({
  5. /**
  6. * 组件的属性列表
  7. */
  8. properties: {
  9. startDate: {
  10. type: String,
  11. value: "2012-02-08"
  12. },
  13. endDate: {
  14. type: String,
  15. value: getTime.formatTime(new Date(), '-').split(' ')[0]
  16. }
  17. },
  18. /**
  19. * 组件的初始数据
  20. */
  21. data: {
  22. value: [9, 3, 3]
  23. },
  24. lifetimes: {
  25. ready() {
  26. let end = this.data.endDate.split('-')[0];
  27. let years = [];
  28. //从开始到结束 渲染年数
  29. for (let start = this.data.startDate.split('-')[0] - 0; start <= end; start++) {
  30. years.push(start)
  31. };
  32. this.setData({
  33. years
  34. });
  35. //开始处理
  36. this.handleChange(this.data.startDate)
  37. }
  38. },
  39. /**
  40. * 组件的方法列表
  41. */
  42. methods: {
  43. /* 处理日期改变 */
  44. handleChange(date) {
  45. let arr = date.split('-'),
  46. start = this.data.startDate.split('-'),
  47. end = this.data.endDate.split('-');
  48. let m = arr[1] - 0;
  49. //选择年==开始年 删除未开始的月
  50. this.setData({
  51. months: (arr[0] == start[0]) ? month.slice(start[1] - 1) : month
  52. })
  53. if (arr[0] == start[0]) {
  54. //选择年==开始年&&开始年月==选择年月 删除未开始日
  55. this.handleDays(arr[0], m, (m == start[1] - 0) ? start[2] - 0 : 0);
  56. } else if (arr[0] == end[0]) {
  57. //选择年==结束年 删除多余月
  58. let ms = JSON.parse(JSON.stringify(month))
  59. this.setData({
  60. months: ms.slice(0, end[1] - 0)
  61. })
  62. this.handleDays(arr[0], m, 0);
  63. } else {
  64. //其他年份处理日
  65. this.handleDays(arr[0], m, 0);
  66. }
  67. },
  68. /* 处理日 */
  69. handleDays(y, m, d) {
  70. let arr1 = [1, 3, 5, 7, 8, 10, 12],
  71. days = JSON.parse(JSON.stringify(day)),
  72. end = this.data.endDate.split('-');
  73. if (m == 2) {
  74. //二月份的话判断是否为闰年
  75. days = (y % 4 == 0) ? days.slice(0, 29) : days.slice(0, 28)
  76. } else {
  77. //其他月份判断有无31日
  78. (arr1.includes(m)) ? '' : days.pop();
  79. };
  80. if (y == end[0] && m == end[1]) {
  81. days = days.slice(0, end[2] - 0)
  82. }
  83. //如果是开始年传递过来 会裁剪掉多余的日
  84. this.setData({
  85. days: (d == 0) ? days : days.slice(d - 1)
  86. });
  87. },
  88. pickerChange({
  89. detail
  90. }) {
  91. let arr = detail.value;
  92. this.handleChange(`${this.data.years[arr[0]]}-${this.data.months[arr[1]]}-${this.data.days[arr[2]]}`)
  93. setTimeout(() => {
  94. console.log(`${this.data.years[arr[0]]}-${this.data.months[arr[1]]}-${this.data.days[arr[2]]}`)
  95. }, 300)
  96. },
  97. }
  98. })