297 lines
10 KiB
JavaScript
297 lines
10 KiB
JavaScript
import {
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CryptoJS
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} from "./Crypto";
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import { STATIC_DOMAIN} from './config';
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import { emoji } from './emoji';
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const formatTime = date => {
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const year = date.getFullYear()
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const month = date.getMonth() + 1
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const day = date.getDate()
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const hour = date.getHours()
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const minute = date.getMinutes()
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const second = date.getSeconds()
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return `${[year, month, day].map(formatNumber).join('/')} ${[hour, minute, second].map(formatNumber).join(':')}`
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}
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const formatNumber = n => {
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n = n.toString()
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return n[1] ? n : `0${n}`
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}
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const encodeReqParams = params => {
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const keys = Object.keys(params);
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let result = '';
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keys.map((item, index) => {
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index ? result += `&${item}=${params[item]}` : result += `?${item}=${params[item]}`;
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});
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return result;
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};
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const showToast = title => {
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if (title) {
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if (title.indexOf('安全校验失败') > -1) {
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wx.showToast({
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icon: 'none',
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title: title.split('安全校验失败')[0] + '安全校验失败，请稍后再试'
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});
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} else {
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wx.showToast({
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icon: 'none',
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title
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});
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}
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}
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};
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const showErrMsg = err => {
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console.log(err)
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if (err) {
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if (!['CARD_NOT_CREATED', '签名验证不存在'].includes(err.message)) {
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wx.showToast({
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icon: 'none',
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title: err.message
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});
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} else if (err.message.indexOf('安全校验失败') > -1) {
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const title = err.message.split('安全校验失败')[0] + '安全校验失败，请稍后再试';
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wx.showToast({
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icon: 'none',
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title
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});
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}
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}
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};
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const timeFormat = function (fmt = 'yyyy-MM-dd hh:mm:ss', date = new Date()) {
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if (typeof (date) === 'number') date = new Date(date);
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var o = {
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"M+": date.getMonth() + 1, //月份
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"d+": date.getDate(), //日
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"h+": date.getHours(), //小时
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"m+": date.getMinutes(), //分
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"s+": date.getSeconds(), //秒
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"q+": Math.floor((date.getMonth() + 3) / 3), //季度
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"S": date.getMilliseconds() //毫秒
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};
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if (/(y+)/.test(fmt)) {
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fmt = fmt.replace(RegExp.$1, (date.getFullYear() + "").substr(4 - RegExp.$1.length));
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}
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for (var k in o) {
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if (new RegExp("(" + k + ")").test(fmt)) {
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fmt = fmt.replace(RegExp.$1, (RegExp.$1.length == 1) ? (o[k]) : (("00" + o[k]).substr(("" + o[k]).length)));
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}
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}
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return fmt;
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}
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// 输入框根据label字段，双向绑定当前页面字段
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const twoWayBinding = function (e) {
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let {
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label
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} = e.currentTarget.dataset, value = typeof (e.detail) == 'object' ? e.detail.value : e.detail;
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if (e.currentTarget.dataset.hasOwnProperty('debug')) {
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console.log(e)
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}
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this.setData({
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[label]: value
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})
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}
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// AES加密
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const encrypt = str => {
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const key = CryptoJS.enc.Utf8.parse("njsdearr8h239ay3");
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const srcs = CryptoJS.enc.Utf8.parse(str);
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const encrypted = CryptoJS.AES.encrypt(srcs, key, {
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mode: CryptoJS.mode.ECB,
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padding: CryptoJS.pad.Pkcs7
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});
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return encrypted.toString();
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}
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//获取随机数
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const randomNumber = function generateMixed(n){
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const charts = ['0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z','a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z']
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var res = '';
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for(var i = 0; i <n; i++){
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var id = Math.ceil(Math.random()*61);
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res += charts[id];
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}
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return res;
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}
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const getDateStr = function (today, addDayCount) {
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let date;
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if (today) {
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date = new Date(today);
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} else {
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date = new Date();
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}
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date.setDate(date.getDate() + addDayCount); //获取AddDayCount天后的日期
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let y = date.getFullYear();
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let m = date.getMonth() + 1; //获取当前月份的日期
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let d = date.getDate();
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if (m < 10) {
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m = '0' + m;
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};
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if (d < 10) {
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d = '0' + d;
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};
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// console.log(y + "-" + m + "-" + d)
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return y + "-" + m + "-" + d;
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}
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//获取时间戳
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const getTimetamp = function(num) {
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const timestamp = Date.parse(new Date())/1000;
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return timestamp+24*60*60*num
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}
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const symbols = ['B', 'KB', 'MB', 'GB'];
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//转化size大小
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const renderSize = function(fileSize) {
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let bytes = fileSize;
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let exp = Math.floor(Math.log(fileSize) / Math.log(2));
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if (exp < 1) {
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exp = 0;
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}
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const i = Math.floor(exp / 10);
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bytes /= Math.pow(2, 10 * i);
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if (bytes.toString().length > bytes.toFixed(2).toString().length) {
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bytes = bytes.toFixed(2);
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}
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return bytes + symbols[i];
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}
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// 通过时间戳获取正常的时间显示
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const timeFormatter = (timeStamp, format, style = '/') => {
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const week = ['星期日', '星期一', '星期二', '星期三', '星期四', '星期五', '星期六']
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const _data = String(timeStamp).length === 13 ? timeStamp : timeStamp * 1000;
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const time = new Date(_data);
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const Y = time.getFullYear();
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const Mon = add_zero(time.getMonth() + 1);
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const Day = add_zero(time.getDate());
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const H = add_zero(time.getHours());
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let Min = time.getMinutes();
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if (Min < 10) Min = '0' + Min;
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let S = time.getSeconds();
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if (S < 10) S = '0' + S;
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const W = week[time.getDay()];
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if (format === "Y") return `${Y}${style}${Mon}${style}${Day}`;
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else if (format === "H") return `${H}:${Min}:${S}`;
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else if (format === "M/D") return `${Mon}${style}${Day}`;
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else if (format === "M/D/H") return `${Mon}${style}${Day} ${H}:${Min}`;
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else if (format === "Y W") return `${Y}${style}${Mon}${style}${Day} ${W}`;
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else if (format === 'YmdHM') return `${Y}${style}${Mon}${style}${Day} ${H}:${Min}`;
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else return `${Y}${style}${Mon}${style}${Day} ${H}:${Min}:${S}`;
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};
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const add_zero = function (val) {
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return val >= 10 ? val : '0' + val
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}
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//获取距离今天时间
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const timeFromNow = timeStamp => {
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const ONE_SENCOND = 1000;
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const ONE_MINUTE = 60 * ONE_SENCOND;
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const ONE_HOUR = 60 * ONE_MINUTE;
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const ONE_DAY = 24 * ONE_HOUR;
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const ONE_WEEK = 7 * ONE_DAY;
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const ONE_MONTH = 30 * ONE_DAY;
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const ONE_YEAR = 365 * ONE_DAY;
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const curr = new Date().getTime();
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const diff = curr - timeStamp;
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if (diff < ONE_MINUTE) return Math.floor(diff / ONE_SENCOND)>0?Math.floor(diff / ONE_SENCOND)+ '秒钟前':1 + '秒钟前';
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else if (diff < ONE_HOUR) return Math.floor(diff / ONE_MINUTE) + '分钟前';
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else if (diff < ONE_DAY) return Math.floor(diff / ONE_HOUR) + '小时前';
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else if (diff < ONE_WEEK) return Math.floor(diff / ONE_DAY) + '天前';
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else if (diff < ONE_MONTH) return Math.floor(diff / ONE_WEEK) + '星期前';
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else if (diff < ONE_YEAR) return Math.floor(diff / ONE_MONTH) + '个月前';
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else return timeFormatter(timeStamp, "Y");
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};
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//获取用户随机id
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const genUuid = () => {
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const hexDigits = "0123456789abcdef";
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const s = [];
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for (let i = 0; i < 36; i++) {
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s[i] = hexDigits.substr(Math.floor(Math.random() * 0x10), 1);
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}
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s[14] = "4";
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s[19] = hexDigits.substr((s[19] & 0x3) | 0x8, 1);
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// s[8] = s[13] = s[18] = s[23] = "-";
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s[8] = s[13] = s[18] = s[23] = "";
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return s.join("");
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};
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// 判断一个对象是否为空
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const isEmptyObject = function (object) {
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for (const i in object) {
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return false;
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}
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return true;
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}
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//如果用户拒绝了保存到相册的权限，以后再点击任何保存图片到本地的按钮将没有反应，应在保存失败后回调设置
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const openSaveImageSetting = () => {
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wx.getSetting({
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success: res => {
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let authSetting = res.authSetting
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if (!authSetting['scope.writePhotosAlbum']) {
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wx.showModal({
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title: "提示",
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content: '您之前拒绝了【保存到相册】的权限，开启后可保存照片到相册,是否去开启?',
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success: result => {
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if (result.confirm) {
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wx.openSetting({
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withSubscriptions: true,
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})
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}
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}
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})
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}
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}
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})
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}
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//裁剪图片
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const clipImage = (src, imgW, imgH, cb) => {
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// ‘shareCanvas’为前面创建的canvas标签的canvas-id属性值
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let ctx = wx.createCanvasContext('shareCanvas');
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let canvasW = 640, canvasH = imgH;
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if (imgW / imgH > 5 / 4) { // 长宽比大于5:4
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canvasW = imgH * 5 / 4;
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}
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// // 将图片绘制到画布
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// ctx.drawImage(src, (imgW - canvasW) / 2, 0, canvasW, canvasH, 0, 0, canvasW, canvasH)
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ctx.setFillStyle('#ffffff')
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ctx.fillRect(0,0,640,512);
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ctx.drawImage(src,0,64,640,384);
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// draw()必须要用到，并且需要在绘制成功后导出图片
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ctx.draw(false, () => {
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setTimeout(() => {
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// 导出图片
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wx.canvasToTempFilePath({
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// width: canvasW,
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// height: canvasH,
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// destWidth: canvasW,
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// destHeight: canvasH,
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canvasId: 'shareCanvas',
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fileType: 'jpg',
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success: (res) => {
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// res.tempFilePath为导出的图片路径
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typeof cb == 'function' && cb(res.tempFilePath);
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}
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})
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}, 1000);
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})
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}
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// emoji转换图片
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const parseEmoji = function(msg){
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let newMsg = msg.replace(/\[.*?\]/gi,(match, capture) => {
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if(msg === match){
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match = `<img style="width:60px;height:60px;vertical-align:middle;display: inline;" src="${STATIC_DOMAIN}/appstatic/images/emoji/new_${emoji.indexOf(match)}.png" />`
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}else{
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match = `<img style="width:18px;height:18px;vertical-align:middle;display: inline;margin-bottom:2px;" src="${STATIC_DOMAIN}/appstatic/images/emoji/new_${emoji.indexOf(match)}.png" />`
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}
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return match;
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})
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return `<div style="vertical-align:middle">${newMsg}</div>`;
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}
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// 判断消息是否只有表情
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const booleanIsOnlyEmoji = function(msg) {
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let newMsg = msg.replace(/\[.*?\]/gi,(match, capture) => {
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if(match === msg) return ''
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})
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return newMsg === '';
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}
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module.exports = {
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formatTime,encodeReqParams,showToast,showErrMsg,timeFormat,twoWayBinding,encrypt,getDateStr,renderSize,timeFromNow,genUuid,randomNumber,isEmptyObject,getTimetamp,openSaveImageSetting,clipImage,booleanIsOnlyEmoji,parseEmoji
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}
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