130 lines
3.1 KiB
JavaScript
130 lines
3.1 KiB
JavaScript
/**
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* Created by jiachenpan on 16/11/18.
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*/
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import md5 from 'js-md5';
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// 时间转换格式
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export function parseTime(time, cFormat) {
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if (arguments.length === 0) {
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return null;
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}
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const format = cFormat || '{y}-{m}-{d} {h}:{i}:{s}';
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let date;
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if (typeof time === 'object') {
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date = time;
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} else {
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if (('' + time).length === 10) time = parseInt(time) * 1000;
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date = new Date(time);
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}
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const formatObj = {
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y: date.getFullYear(),
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m: date.getMonth() + 1,
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d: date.getDate(),
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h: date.getHours(),
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i: date.getMinutes(),
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s: date.getSeconds(),
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a: date.getDay()
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};
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const time_str = format.replace(/{(y|m|d|h|i|s|a)+}/g, (result, key) => {
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let value = formatObj[key];
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if (key === 'a') return ['一', '二', '三', '四', '五', '六', '日'][value - 1];
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if (result.length > 0 && value < 10) {
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value = '0' + value;
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}
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return value || 0;
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});
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return time_str;
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}
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// 判断多久之前
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export function formatTime(time, option) {
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time = +time * 1000;
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const d = new Date(time);
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const now = Date.now();
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const diff = (now - d) / 1000;
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if (diff < 30) {
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return '刚刚';
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} else if (diff < 3600) { // less 1 hour
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return Math.ceil(diff / 60) + '分钟前';
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} else if (diff < 3600 * 24) {
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return Math.ceil(diff / 3600) + '小时前';
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} else if (diff < 3600 * 24 * 2) {
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return '1天前';
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}
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if (option) {
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return parseTime(time, option);
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} else {
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return d.getMonth() + 1 + '月' + d.getDate() + '日' + d.getHours() + '时' + d.getMinutes() + '分';
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}
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}
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/**
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* 获取dom对象偏移位置 设置初始位置
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* @param {*} dom - 需要获取的dom
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* @param {*} isFixed - 父级是否position: fixed
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*/
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export function getDomOffset(dom) {
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let pol = 0;
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let pot = 0;
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let offsetLeft = 0;
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let offsetTop = 0;
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while (dom) {
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if (pol != dom.offsetLeft) {
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offsetLeft += dom.offsetLeft;
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pol = dom.offsetLeft;
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}
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if (pot != dom.offsetTop) {
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offsetTop += dom.offsetTop;
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pot = dom.offsetTop;
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}
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dom = dom.offsetParent;
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}
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const offset = {
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x: offsetLeft,
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y: offsetTop
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};
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return offset;
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}
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/**
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* 矩形碰撞检测
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*/
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export function checkRectCollision(rect1, rect2) {
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const center1 = { x: rect1.point.x + rect1.width / 2, y: rect1.point.y + rect1.height / 2 };
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const center2 = { x: rect2.point.x + rect2.width / 2, y: rect2.point.y + rect2.height / 2 };
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if (
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// 横向判断 和 纵向判断
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Math.abs(center1.x - center2.x) < rect1.width / 2 + rect2.width / 2 &&
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Math.abs(center1.y - center2.y) < rect1.height / 2 + rect2.height / 2
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) {
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return true;
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}
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return false;
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}
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export function getSessionId() {
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return md5([Math.random().toFixed(5), +new Date()].join('_'));
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}
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/*
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* 获取倒计时
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* data 目标时间
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*/
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export function getCountTime(data) {
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const stationDate = parseInt(data);
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const date = Date.parse(new Date()) / 1000;
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const time = stationDate - date;
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if (time > 0) {
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let h = Math.floor(time / (60 * 60));
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let m = Math.floor(time / 60) - (h * 60);
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let s = Math.floor(time) - (h * 60 * 60) - (m * 60);
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if (h <= 9) h = '0' + h;
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if (m <= 9) m = '0' + m;
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if (s <= 9) s = '0' + s;
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return `${h}:${m}:${s}`;
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} else {
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return -1;
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}
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}
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