app_tree_planting/common/util.js

function formatTime(time) {
	if (typeof time !== 'number' || time < 0) {
		return time
	}

	var hour = parseInt(time / 3600)
	time = time % 3600
	var minute = parseInt(time / 60)
	time = time % 60
	var second = time

	return ([hour, minute, second]).map(function(n) {
		n = n.toString()
		return n[1] ? n : '0' + n
	}).join(':')
}

function formatLocation(longitude, latitude) {
	if (typeof longitude === 'string' && typeof latitude === 'string') {
		longitude = parseFloat(longitude)
		latitude = parseFloat(latitude)
	}

	longitude = longitude.toFixed(2)
	latitude = latitude.toFixed(2)

	return {
		longitude: longitude.toString().split('.'),
		latitude: latitude.toString().split('.')
	}
}
var dateUtils = {
	UNITS: {
		'年': 31557600000,
		'月': 2629800000,
		'天': 86400000,
		'小时': 3600000,
		'分钟': 60000,
		'秒': 1000
	},
	humanize: function(milliseconds) {
		var humanize = '';
		for (var key in this.UNITS) {
			if (milliseconds >= this.UNITS[key]) {
				humanize = Math.floor(milliseconds / this.UNITS[key]) + key + '前';
				break;
			}
		}
		return humanize || '刚刚';
	},
	format: function(dateStr) {
		var date = this.parse(dateStr)
		var diff = Date.now() - date.getTime();
		if (diff < this.UNITS['天']) {
			return this.humanize(diff);
		}
		var _format = function(number) {
			return (number < 10 ? ('0' + number) : number);
		};
		return date.getFullYear() + '/' + _format(date.getMonth() + 1) + '/' + _format(date.getDay()) + '-' +
			_format(date.getHours()) + ':' + _format(date.getMinutes());
	},
	parse: function(str) { //将"yyyy-mm-dd HH:MM:ss"格式的字符串，转化为一个Date对象
		var a = str.split(/[^0-9]/);
		return new Date(a[0], a[1] - 1, a[2], a[3], a[4], a[5]);
	}
};
/**
 *对Date的扩展，将 Date 转化为指定格式的String
 *月(M)、日(d)、小时(h)、分(m)、秒(s)、季度(q) 可以用 1-2 个占位符，
 *年(y)可以用 1-4 个占位符，毫秒(S)只能用 1 个占位符(是 1-3 位的数字)
 *例子：
 *(new Date()).Format("yyyy-MM-dd hh:mm:ss.S") ==> 2006-07-02 08:09:04.423
 *(new Date()).Format("yyyy-M-d h:m:s.S")      ==> 2006-7-2 8:9:4.18
 */
Date.prototype.Format = function(fmt) { //author: meizz 
	var o = {
		"M+": this.getMonth() + 1, //月份 
		"d+": this.getDate(), //日 
		"H+": this.getHours(), //小时 
		"m+": this.getMinutes(), //分 
		"s+": this.getSeconds(), //秒 
		"q+": Math.floor((this.getMonth() + 3) / 3), //季度 
		"S": this.getMilliseconds() //毫秒 
	};
	if (/(y+)/.test(fmt)) fmt = fmt.replace(RegExp.$1, (this.getFullYear() + "").substr(4 - RegExp.$1.length));
	for (var k in o)
		if (new RegExp("(" + k + ")").test(fmt)) fmt = fmt.replace(RegExp.$1, (RegExp.$1.length == 1) ? (o[k]) : (("00" + o[
			k]).substr(("" + o[k]).length)));
	return fmt;
}
Array.prototype.indexOf = function(val) {
	for (var i = 0; i < this.length; i++) {
		if (this[i] == val) {
			return i;
		}
	}
	return -1;
}
Array.prototype.remove = function(val) {
	var index = this.indexOf(val);
	if (index > -1) {
		this.splice(index, 1);
	}
}
String.prototype.Trim = function() {
	return this.replace(/(^\s*)|(\s*$)/g, "");
}
String.prototype.LTrim = function() {
	return this.replace(/(^\s*)/g, "");
}
String.prototype.RTrim = function() {
	return this.replace(/(\s*$)/g, "");
}

function formatNumber(n) {
	n = n.toString()
	return n[1] ? n : '0' + n
}

function objectToUrlParams(obj) {
	var str = "";
	for (var key in obj) {
		str += "&" + key + "=" + obj[key];
	}
	return str.substr(1);
}

function isWechatOrQQ() {
	var ua = navigator.userAgent.toLowerCase();
	if (ua.match(/MicroMessenger/i) == "micromessenger" || ua.match(/WeiBo/i) == "weibo") {
		return true;
	} else if (ua.indexOf('mobile mqqbrowser') > -1) {
		return true;
	} else if (ua.indexOf('iphone') > -1 || ua.indexOf('mac') > -1) {
		if (ua.indexOf('qq') > -1) {
			return true;
		}

	}
	return false;
}

function getDate(type) {
	const date = new Date();
	let year = date.getFullYear();
	let month = date.getMonth() + 1;
	let day = date.getDate();
	if (type === 'start') {
		year = year - 60;
	} else if (type === 'end') {
		year = year + 2;
	}
	month = month > 9 ? month : '0' + month;
	day = day > 9 ? day : '0' + day;
	return `${year}-${month}-${day}`;
}

/*获取当前时间*/
function getNowTime() {
	return Math.round(new Date().getTime() / 1000)
}

/*是否H5*/
function isH5() {
	// #ifdef H5
	return true;
	// #endif
	return false;
}

module.exports = {
	formatTime: formatTime,
	formatLocation: formatLocation,
	dateUtils: dateUtils,
	objectToUrlParams: objectToUrlParams,
	isWechatOrQQ: isWechatOrQQ,
	getDate: getDate,
	getNowTime: getNowTime,
	isH5: isH5
}