util.js 10 KB

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  1. //工具类
  2. let util = {}
  3. //复制
  4. util.copy=content=>{
  5. uni.setClipboardData({ data: content });
  6. }
  7. // 图片缓存
  8. //拨打电话
  9. util.callPhone=phone=>{
  10. uni.showModal({
  11. title: '提示',
  12. content: `确定要拨打电话:${phone}吗?`,
  13. success: function (res) {
  14. if (res.confirm) {
  15. uni.makePhoneCall({
  16. phoneNumber: phone //仅为示例
  17. });
  18. }
  19. }
  20. });
  21. }
  22. util.showModel=(content,title='提示')=>{
  23. return new Promise((resolve,reject)=>{
  24. uni.showModal({
  25. title: title,
  26. content: content,
  27. success: (res)=>{
  28. resolve(res)
  29. }
  30. });
  31. })
  32. }
  33. //是否为手机号码
  34. util.isPhone = phone => {
  35. let pat = /^(13[0-9]|14[579]|15[0-3,5-9]|16[6]|17[0135678]|18[0-9]|19[89])\d{8}$/
  36. return pat.test(phone)
  37. }
  38. //去除两边空格
  39. util.trim = value => {
  40. if (value) {
  41. return value.replace(/^\s+|\s+$/gm, '')
  42. }
  43. return ''
  44. }
  45. //根据QueryString参数名称获取值
  46. util.getQueryStringByName = (url, name) => {
  47. var result = url.match(new RegExp('[?&]' + name + '=([^&]+)', 'i'))
  48. if (result == null || result.length < 1) {
  49. return ''
  50. }
  51. return result[1]
  52. }
  53. //四舍五入保留2位小数(不够位数,则用0替补)
  54. util.keepTwoDecimalFull = num => {
  55. var result = parseFloat(num)
  56. if (isNaN(result)) {
  57. return false
  58. }
  59. result = Math.round(num * 100) / 100
  60. var s_x = result.toString()
  61. var pos_decimal = s_x.indexOf('.')
  62. if (pos_decimal < 0) {
  63. pos_decimal = s_x.length
  64. s_x += '.'
  65. }
  66. while (s_x.length <= pos_decimal + 2) {
  67. s_x += '0'
  68. }
  69. return s_x
  70. }
  71. /**
  72. * 数组去重
  73. * @param {Array} arr 源数组
  74. *
  75. * @return {Array} newArr 去重后的数组
  76. */
  77. util.uniqueArray = (arr)=>{
  78. let newArr = []
  79. arr.forEach(item => {
  80. return newArr.includes(item) ? '' : newArr.push(item)
  81. })
  82. return newArr
  83. }
  84. util.checkMobile = phoneStr => {
  85. if (phoneStr.length < 11) {
  86. return false
  87. } else if (!/^1[3|4|5|6|7|8][0-9]\d{4,8}$/.test(phoneStr)) {
  88. return false
  89. } else {
  90. return true
  91. }
  92. }
  93. /**
  94. * 序列化对象
  95. * @param {Object} data 标准JS对象 { key:value,... }
  96. */
  97. util.serialize = (data, isEncode = false) => {
  98. if (!data) return ''
  99. var pairs = []
  100. for (var name in data) {
  101. if (!data.hasOwnProperty(name)) continue
  102. if (typeof data[name] === 'function') continue
  103. var value =
  104. data[name] != null && typeof data[name] != 'undefined'
  105. ? data[name].toString()
  106. : ''
  107. if (isEncode) {
  108. name = encodeURIComponent(name)
  109. value = encodeURIComponent(value)
  110. }
  111. pairs.push(name + '=' + value)
  112. }
  113. return pairs.join('&')
  114. }
  115. //获取某一个页面上下文 context
  116. util.getPageCtx = (idx = 0) => {
  117. let pages = getCurrentPages()
  118. if (pages.length > 0) {
  119. return pages[pages.length - 1 - idx] || {}
  120. }
  121. return {}
  122. }
  123. //获取当前页面路由
  124. util.getCurrentRoute = () => {
  125. let page = util.getPageCtx()
  126. if (page.route) {
  127. return page.route
  128. }
  129. return ''
  130. }
  131. /* ======================== 时间日期 begin ========================== */
  132. //日期转字符串
  133. util.dateToString = (date)=>{
  134. var year = date.getFullYear();
  135. var month =(date.getMonth() + 1).toString();
  136. var day = (date.getDate()).toString();
  137. if (month.length == 1) {
  138. month = "0" + month;
  139. }
  140. if (day.length == 1) {
  141. day = "0" + day;
  142. }
  143. var dateTime = year + "-" + month + "-" + day;
  144. return dateTime;
  145. }
  146. //字符串转日期
  147. util.stringToDate = (dateStr,separator)=>{
  148. if(!separator){
  149. separator="-";
  150. }
  151. var dateArr = dateStr.split(separator);
  152. var year = parseInt(dateArr[0]);
  153. var month;
  154. if(dateArr[1].indexOf("0") == 0){
  155. month = parseInt(dateArr[1].substring(1));
  156. }else{
  157. month = parseInt(dateArr[1]);
  158. }
  159. var day = parseInt(dateArr[2]);
  160. var date = new Date(year,month -1,day);
  161. return date;
  162. }
  163. /**
  164. * 天数加减
  165. * date传入你需要的日期,格式"xxxx-xx-xx"。addDays传要加减的日期数,往前传正数,往后传负数
  166. */
  167. util.addDay=(date,addDays)=>{
  168. var Dates = new Date(date);
  169. Dates.setDate(Dates.getDate() + addDays);
  170. var mon = Dates.getMonth() + 1,
  171. day = Dates.getDate();
  172. if(mon < 10){
  173. mon = "0" + mon;//月份小于10,在前面补充0
  174. }
  175. if(day < 10){
  176. day = "0" + day;//日小于10,在前面补充0
  177. }
  178. return Dates.getFullYear() + "-" + mon + "-" +day;
  179. }
  180. // 时间函数-tian=0(获取当前时间)-accuracy=1(获取年月日)
  181. util.getTime = (tian, accuracy) => {
  182. //获取当前时间戳
  183. var timestamp = Date.parse(new Date())
  184. timestamp = timestamp / 1000
  185. var tomorrow_timetamp = timestamp - tian * 24 * 60 * 60
  186. var date = new Date(tomorrow_timetamp * 1000)
  187. //年
  188. var Y = date.getFullYear()
  189. //月
  190. var M =
  191. date.getMonth() + 1 < 10 ? '0' + (date.getMonth() + 1) : date.getMonth() + 1
  192. //日
  193. var D = date.getDate() < 10 ? '0' + date.getDate() : date.getDate()
  194. //时
  195. var h = date.getHours() < 10 ? '0' + date.getHours() : date.getHours()
  196. //分
  197. var m = date.getMinutes() < 10 ? '0' + date.getMinutes() : date.getMinutes()
  198. //秒
  199. var s = date.getSeconds() < 10 ? '0' + date.getSeconds() : date.getSeconds()
  200. var Time = Y + '-' + M + '-' + D
  201. var Time2 = Y + '-' + M + '-' + D + ' ' + h + ':' + m + ':' + s
  202. if (accuracy == '1') {
  203. return Time
  204. } else {
  205. return Time2
  206. }
  207. }
  208. // 格式化日期 2019-01-01 TT(WW)
  209. util.dateFormat = (
  210. value = new Date(),
  211. format = 'yyyy-MM-dd',
  212. isInit = false
  213. ) => {
  214. if (value) {
  215. var date = typeof value == 'string' ? value.replace(/\-/g, '/') : value
  216. var d = new Date(date)
  217. var week = ''
  218. var label = ''
  219. if (isInit) {
  220. var cdt = new Date()
  221. var cur = new Date(
  222. cdt.getFullYear() + '/' + (cdt.getMonth() + 1) + '/' + cdt.getDate()
  223. )
  224. var diffTime = d.getTime() - cur.getTime()
  225. var oneDayTime = 24 * 60 * 60 * 1000
  226. var twoDayTime = 48 * 60 * 60 * 1000
  227. var threeDayTime = 72 * 60 * 60 * 1000
  228. let weeks = ['周日', '周一', '周二', '周三', '周四', '周五', '周六']
  229. if (diffTime > 0) {
  230. if (diffTime <= oneDayTime) {
  231. label = '今天'
  232. } else if (diffTime <= twoDayTime) {
  233. label = '明天'
  234. } else if (diffTime <= threeDayTime) {
  235. label = '后天'
  236. }
  237. }
  238. week = weeks[d.getDay()]
  239. }
  240. var o = {
  241. 'T+': label,
  242. 'W+': week,
  243. 'M+': d.getMonth() + 1, //month
  244. 'd+': d.getDate(), //day
  245. 'h+': d.getHours(), //hour
  246. 'm+': d.getMinutes(), //minute
  247. 's+': d.getSeconds(), //second
  248. 'q+': Math.floor((d.getMonth() + 3) / 3), //quarter
  249. S: d.getMilliseconds() //millisecond
  250. }
  251. if (/(y+)/.test(format)) {
  252. format = format.replace(
  253. RegExp.$1,
  254. (d.getFullYear() + '').substr(4 - RegExp.$1.length)
  255. )
  256. }
  257. for (var k in o) {
  258. if (k == 'T+' && !label) continue
  259. if (new RegExp('(' + k + ')').test(format)) {
  260. format = format.replace(
  261. RegExp.$1,
  262. RegExp.$1.length == 1
  263. ? o[k]
  264. : ('00' + o[k]).substr(('' + o[k]).length)
  265. )
  266. }
  267. }
  268. return format
  269. }
  270. return value
  271. }
  272. // 活动倒计时 需要在外面调用 如:setInterval("countDown()",1000);
  273. util.countDown = (day, hour, minute, second) => {
  274. var flag = false
  275. second -= 1
  276. if (second == 0) {
  277. minute = minute - 1
  278. second = 60
  279. if (minute < 0) {
  280. hour = hour - 1
  281. minute = 59
  282. if (hour < 0) {
  283. day -= 1
  284. hour = 23
  285. if (day < 0) {
  286. flag = true
  287. }
  288. }
  289. }
  290. }
  291. if (flag) {
  292. return '活动结束'
  293. } else {
  294. return day + '天' + hour + '小时' + minute + '分' + second + '秒'
  295. }
  296. }
  297. // 两个时间相差 天 小时 分钟 秒 date1、date2格式:'2019-06-29 14:36:10'或'2019/06/29 14:36:10'
  298. util.timeComparison = (date1, date2) => {
  299. // var date1 = '2019-06-29 14:36:10'; //开始时间
  300. // var date2 = new Date(); //结束时间
  301. var date3 = date2.getTime() - date1.getTime() //时间差的毫秒数
  302. //------------------------------
  303. //计算出相差天数
  304. var days = Math.floor(date3 / (24 * 3600 * 1000))
  305. //计算出小时数
  306. var leave1 = date3 % (24 * 3600 * 1000) //计算天数后剩余的毫秒数
  307. var hours = Math.floor(leave1 / (3600 * 1000))
  308. //计算相差分钟数
  309. var leave2 = leave1 % (3600 * 1000) //计算小时数后剩余的毫秒数
  310. var minutes = Math.floor(leave2 / (60 * 1000))
  311. //计算相差秒数
  312. var leave3 = leave2 % (60 * 1000) //计算分钟数后剩余的毫秒数
  313. var seconds = (leave3 / 1000).toFixed(1)
  314. return (
  315. ' 相差 ' +
  316. days +
  317. '天 ' +
  318. hours +
  319. '小时 ' +
  320. minutes +
  321. ' 分钟' +
  322. seconds +
  323. ' 秒'
  324. )
  325. }
  326. util.timeComparisonActive = (date1, date2, isNeedMillSecond = true) => {
  327. // var date1 = '2019-06-29 14:36:10'; //开始时间
  328. // var date2 = new Date(); //结束时间
  329. var date3 = date2.getTime() - date1.getTime() //时间差的毫秒数
  330. if (parseInt(date3) <= 0) {
  331. date3 = 0
  332. }
  333. //------------------------------
  334. //计算出相差天数
  335. var days = Math.floor(date3 / (24 * 3600 * 1000))
  336. //计算出小时数
  337. var leave1 = date3 % (24 * 3600 * 1000) //计算天数后剩余的毫秒数
  338. var hours = Math.floor(leave1 / (3600 * 1000))
  339. //计算相差分钟数
  340. var leave2 = leave1 % (3600 * 1000) //计算小时数后剩余的毫秒数
  341. var minutes = Math.floor(leave2 / (60 * 1000))
  342. //计算相差秒数
  343. var leave3 = leave2 % (60 * 1000) //计算分钟数后剩余的毫秒数
  344. if (isNeedMillSecond) {
  345. var seconds = (leave3 / 1000).toFixed(1)
  346. } else {
  347. var seconds = Math.floor(leave3 / 1000)
  348. }
  349. var allSeconds =
  350. days * 24 * 60 * 60 + hours * 60 * 60 + minutes * 60 + seconds
  351. hours = days * 24 + hours < 10 ? '0' + (days * 24 + hours) : days * 24 + hours
  352. minutes = minutes < 10 ? '0' + minutes : minutes
  353. seconds = seconds < 10 ? '0' + seconds : seconds
  354. days = days < 10 ? '0' + days : days
  355. var isEnd = allSeconds > 0 ? false : true
  356. return { days, hours, minutes, seconds, isEnd }
  357. }
  358. /**
  359. * 生成日期对象
  360. * @param {String,Number} value 日期 字符串 或者 毫秒数字
  361. * @return {Date} [date = new Date()] 日期对象
  362. */
  363. util.createDate = (value)=>{
  364. let date = typeof (value) == 'string' ? value.replace(/\-/g, '/') : value
  365. return new Date(date)
  366. }
  367. /* ======================== 时间日期 end ========================== */
  368. export default util