From a80f1bc960efc94e3f375bc881aa4c495042c10c Mon Sep 17 00:00:00 2001 From: Tevin <tingquanren@163.com> Date: Fri, 17 Nov 2023 16:52:58 +0800 Subject: [PATCH] 首页导航组件显示微调 --- common/Tools.js | 101 ++++++++++++++++++++++++++++++++++++++++---------- 1 files changed, 80 insertions(+), 21 deletions(-) diff --git a/common/Tools.js b/common/Tools.js index e4e7403..e70b7ad 100644 --- a/common/Tools.js +++ b/common/Tools.js @@ -1,5 +1,5 @@ /** - * Tools + * Tools - 工具集 * @author Tevin */ @@ -12,12 +12,13 @@ * 显示消息 * @param msg * @param [duration=2000] + * @param [mask=false] */ - static toast(msg, duration = 2000) { + static toast(msg, duration = 2000, mask = false) { Taro.showToast({ title: msg, icon: 'none', - mask: true, + mask, duration, }); } @@ -43,20 +44,6 @@ } /** - * 读取文件 base64 - * @param {File} file - * @return {Promise<string>} - */ - static getFileBase64(file) { - return new Promise((resolve, reject) => { - const reader = new FileReader(); - reader.onload = () => resolve(reader.result); - reader.onerror = error => reject(error); - reader.readAsDataURL(file); - }); - } - - /** * 生成 GUID * @return {string} */ @@ -66,6 +53,22 @@ v = c === 'x' ? r : ((r & 0x3) | 0x8); return v.toString(16); }); + } + + /** + * 获取随机字符串 + * @param {number} long + * @return {string} + */ + static getRandomString(long) { + long = long || 32; + const template = 'ABCDEFGHJKMNPQRSTWXYZabcdefhijkmnprstwxyz2345678'; + const count = template.length; + let result = ''; + for (let i = 0; i < long; i++) { + result += template.charAt(Math.floor(Math.random() * count)); + } + return result; } /** @@ -304,6 +307,26 @@ } /** + * 数组元素交换位置 + * @param {array} arr 数组 + * @param {number} fromIndex 要交换项目的位置 + * @param {number} toIndex 被交换项目的位置 + */ + static swapArray(arr, fromIndex, toIndex) { + // 先在目标位置新增一个和当前元素一样的元素,再把当前元素删除掉 + arr.splice(toIndex, 0, arr[fromIndex]); + // 如果拖动元素上移动,当前元素下标为 fromIndex+1 + if (fromIndex > toIndex) { + arr.splice(fromIndex + 1, 1); + } + // 如果拖动元素下移,当前元素下标还是 fromIndex + else { + arr.splice(fromIndex, 1); + } + return arr; + } + + /** * 使用 moment.js 格式化时间戳 * @param {Number|String} timestamp * @param {String} [type='date'] @@ -317,7 +340,16 @@ if (Tools.isString(timestamp)) { // 全数值 if (/^\d+$/.test(timestamp)) { - timestamp = parseInt(timestamp); + // 8位视为无连接符日期 + if (timestamp.length === 8) { + const day = timestamp.substr(0, 4) + '-' + + timestamp.substr(4, 2) + '-' + timestamp.substr(6, 2); + timestamp = (new Date(timestamp)).getTime(); + } + // 超过8位,视为时间戳 + else if (timestamp.length > 8) { + timestamp = parseInt(timestamp); + } } // 日期 else { @@ -327,7 +359,15 @@ } } } - if (timestamp < 9 * 10e8) { + // 转为数值的无连接符日期 + if (timestamp < 9 * 10e6) { + const timeStr = timestamp + ''; + const day = timeStr.substr(0, 4) + '-' + + timeStr.substr(4, 2) + '-' + timeStr.substr(6, 2); + timestamp = (new Date(day)).getTime(); + } + // 按秒时间戳 + else if (timestamp < 9 * 10e8) { timestamp *= 1000; } const curMoment = moment(timestamp); @@ -434,7 +474,7 @@ /** * 求小数点后的数据长度 * @param {Number|String} num - * @private + * @return {Number} */ static getDecimalLength(num) { let t = 0; @@ -454,6 +494,23 @@ return /^1[3456789]\d{9}$/.test('' + phone); } + /** + * 转换周数到日期 + * @param {Number} year + * @param {Number} week + * @param {Number} weekDay 需要输出星期几对应的日期 (1~7) + * @return {String} + */ + static transWeekIndexToDate(year, week, weekDay) { + const yearStart = moment([year, 0, 1]); + const dayLong = 24 * 60 * 60 * 1000; + const firstWeekLong = (7 - yearStart.day()) * dayLong; + const weeksLong = (week - 1) * 7 * dayLong; + const weekDayLong = weekDay * dayLong; + const dayTimestamp = yearStart.valueOf() + firstWeekLong + weeksLong + weekDayLong; + return moment(dayTimestamp).format('YYYY-MM-DD'); + } + } // h5 中,实现 rem 转换 px @@ -469,4 +526,6 @@ const px = (value - p1.x) * (p2.y - p1.y) / (p2.x - p1.x) + p1.y; console.info(Math.round(px) + 'px'); }; -} \ No newline at end of file +} + +global.Tools = Tools; \ No newline at end of file -- Gitblit v1.9.1