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Ви не можете вибрати більше 25 тем Теми мають розпочинатися з літери або цифри, можуть містити дефіси (-) і не повинні перевищувати 35 символів.

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  1. var barcode = require("./barcode");
  2. var qrcode = require("./qrcode");
  3. const formatTime = (date, fmt) => {
  4. try {
  5. if (!date) {
  6. return date;
  7. }
  8. if (typeof date == "number") {
  9. date = new Date(date);
  10. }
  11. var o = {
  12. "M+": date.getMonth() + 1, //月份
  13. "d+": date.getDate(), //日
  14. "h+": date.getHours(), //小时
  15. "m+": date.getMinutes(), //分
  16. "s+": date.getSeconds(), //秒
  17. "q+": Math.floor((date.getMonth() + 3) / 3), //季度
  18. S: date.getMilliseconds() //毫秒
  19. };
  20. if (/(y+)/.test(fmt))
  21. fmt = fmt.replace(
  22. RegExp.$1,
  23. (date.getFullYear() + "").substr(4 - RegExp.$1.length)
  24. );
  25. for (var k in o)
  26. if (new RegExp("(" + k + ")").test(fmt))
  27. fmt = fmt.replace(
  28. RegExp.$1,
  29. RegExp.$1.length == 1
  30. ? o[k]
  31. : ("00" + o[k]).substr(("" + o[k]).length)
  32. );
  33. return fmt;
  34. } catch (error) {
  35. return date;
  36. }
  37. };
  38. const formatNumber = n => {
  39. n = n.toString();
  40. return n[1] ? n : "0" + n;
  41. };
  42. function convert_length(length) {
  43. return Math.round((wx.getSystemInfoSync().windowWidth * length) / 750);
  44. }
  45. function barc(id, code, width, height) {
  46. barcode.code128(
  47. wx.createCanvasContext(id),
  48. code,
  49. convert_length(width),
  50. convert_length(height)
  51. );
  52. }
  53. function qrc(id, code, width, height) {
  54. qrcode.api.draw(code, {
  55. ctx: wx.createCanvasContext(id),
  56. width: convert_length(width),
  57. height: convert_length(height)
  58. });
  59. }
  60. function fmtDate(obj) {
  61. var date = new Date(obj);
  62. var y = 1900 + date.getYear();
  63. var m = "0" + (date.getMonth() + 1);
  64. var d = "0" + date.getDate();
  65. return (
  66. y +
  67. "-" +
  68. m.substring(m.length - 2, m.length) +
  69. "-" +
  70. d.substring(d.length - 2, d.length)
  71. );
  72. }
  73. //计算下单的时间与现在的时间的
  74. function timechuo(startTime) {
  75. var s1 = new Date(startTime.replace(/-/g, "/"));
  76. var s2 = new Date();
  77. var runTime = parseInt((s1.getTime() - s2.getTime()) / 1000);
  78. var year = Math.floor(runTime / 86400 / 365);
  79. var runTime = runTime % (86400 * 365);
  80. var month = Math.floor(runTime / 86400 / 30);
  81. var runTime = runTime % (86400 * 30);
  82. var day = Math.floor(runTime / 86400);
  83. var runTime = runTime % 86400;
  84. var hour = Math.floor(runTime / 3600);
  85. var runTime = runTime % 3600;
  86. var minute = Math.floor(runTime / 60);
  87. var runTime = runTime % 60;
  88. var second = runTime;
  89. return (hour+"小时"+minute+"分钟")
  90. }
  91. //计算时间差
  92. function timecha(endTime,startTime) {
  93. var s1 = new Date(endTime.replace(/-/g, "/"));
  94. var s2 = new Date(startTime.replace(/-/g, "/"));
  95. var runTime = parseInt((s1.getTime() - s2.getTime()) / 1000);
  96. var year = Math.floor(runTime / 86400 / 365);
  97. var runTime = runTime % (86400 * 365);
  98. var month = Math.floor(runTime / 86400 / 30);
  99. var runTime = runTime % (86400 * 30);
  100. var day = Math.floor(runTime / 86400);
  101. var runTime = runTime % 86400;
  102. var hour = Math.floor(runTime / 3600);
  103. var runTime = runTime % 3600;
  104. var minute = Math.floor(runTime / 60);
  105. var runTime = runTime % 60;
  106. var second = runTime;
  107. return (month+"月"+day+"天"+hour+"小时"+minute+"分钟")
  108. }
  109. function isJSON(str) {
  110. if (typeof str == 'string') {
  111. console.log("string")
  112. try {
  113. var obj = JSON.parse(str);
  114. if (typeof obj == 'object' && obj) {
  115. return true;
  116. } else {
  117. return false;
  118. }
  119. } catch (e) {
  120. console.log(e);
  121. wx.showToast({
  122. title: '请扫描正确的二维码',
  123. icon: 'none',
  124. duration: 1300
  125. })
  126. }
  127. } else {
  128. wx.showToast({
  129. title: '请扫描正确的二维码',
  130. icon: 'none',
  131. duration: 1300
  132. })
  133. }
  134. }
  135. module.exports = {
  136. formatTime: formatTime,
  137. barcode: barc,
  138. qrcode: qrc,
  139. isJSON: isJSON,
  140. fmtDate: fmtDate,
  141. timechuo:timechuo,
  142. timecha:timecha
  143. };