dateUtils.ts 2.1 KB

12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879
  1. /**
  2. * 将毫秒,转换成时间字符串。例如说,xx 分钟
  3. *
  4. * @param ms 毫秒
  5. * @returns {string} 字符串
  6. */
  7. export function getDate(ms) {
  8. const day = Math.floor(ms / (24 * 60 * 60 * 1000))
  9. const hour = Math.floor(ms / (60 * 60 * 1000) - day * 24)
  10. const minute = Math.floor(ms / (60 * 1000) - day * 24 * 60 - hour * 60)
  11. const second = Math.floor(ms / 1000 - day * 24 * 60 * 60 - hour * 60 * 60 - minute * 60)
  12. if (day > 0) {
  13. return day + '天' + hour + '小时' + minute + '分钟'
  14. }
  15. if (hour > 0) {
  16. return hour + '小时' + minute + '分钟'
  17. }
  18. if (minute > 0) {
  19. return minute + '分钟'
  20. }
  21. if (second > 0) {
  22. return second + '秒'
  23. } else {
  24. return 0 + '秒'
  25. }
  26. }
  27. export function beginOfDay(date) {
  28. return new Date(date.getFullYear(), date.getMonth(), date.getDate())
  29. }
  30. export function endOfDay(date) {
  31. return new Date(date.getFullYear(), date.getMonth(), date.getDate(), 23, 59, 59, 999)
  32. }
  33. export function betweenDay(date1, date2) {
  34. date1 = convertDate(date1)
  35. date2 = convertDate(date2)
  36. // 计算差值
  37. return Math.floor((date2.getTime() - date1.getTime()) / (24 * 3600 * 1000))
  38. }
  39. export function formatDate(date, fmt) {
  40. date = convertDate(date)
  41. const o = {
  42. 'M+': date.getMonth() + 1, //月份
  43. 'd+': date.getDate(), //日
  44. 'H+': date.getHours(), //小时
  45. 'm+': date.getMinutes(), //分
  46. 's+': date.getSeconds(), //秒
  47. 'q+': Math.floor((date.getMonth() + 3) / 3), //季度
  48. S: date.getMilliseconds() //毫秒
  49. }
  50. if (/(y+)/.test(fmt)) {
  51. // 年份
  52. fmt = fmt.replace(RegExp.$1, (date.getFullYear() + '').substr(4 - RegExp.$1.length))
  53. }
  54. for (const k in o) {
  55. if (new RegExp('(' + k + ')').test(fmt)) {
  56. fmt = fmt.replace(
  57. RegExp.$1,
  58. RegExp.$1.length === 1 ? o[k] : ('00' + o[k]).substr(('' + o[k]).length)
  59. )
  60. }
  61. }
  62. return fmt
  63. }
  64. export function addTime(date, time) {
  65. date = convertDate(date)
  66. return new Date(date.getTime() + time)
  67. }
  68. export function convertDate(date) {
  69. if (typeof date === 'string') {
  70. return new Date(date)
  71. }
  72. return date
  73. }