export default {
	/**
	 * 计算两地距离
	 * @param {起始纬度} lat1 
	 * @param {起始经度} lng1 
	 * @param {结束纬度} lat2 
	 * @param {结束经度} lng2 
	 */
	distance(lat1, lng1, lat2, lng2) {
		console.log(lat1,lng1,lat2,lng2,'2345678');
		var radLat1 = lat1 * Math.PI / 180.0;
		var radLat2 = lat2 * Math.PI / 180.0;
		var a = radLat1 - radLat2;
		var b = lng1 * Math.PI / 180.0 - lng2 * Math.PI / 180.0;
		var s = 2 * Math.asin(Math.sqrt(Math.pow(Math.sin(a / 2), 2) + Math.cos(radLat1) * Math.cos(radLat2) * Math.pow(Math.sin(b / 2), 2)));
		s = s * 6378.137;
		s = Math.round(s * 10000) / 10000;
		return s
	},
     geTel(tel){
     let reg = /^(\d{3})\d{4}(\d{4})$/;  
     return tel.replace(reg, "$1****$2");
     },
	//得到日期显示
	getFormatDate(ta='/') {
		let date = new Date();
		let y = date.getFullYear();
		let MM = date.getMonth() + 1;
		MM = MM < 10 ? ('0' + MM) : MM;
		let d = date.getDate();
		d = d < 10 ? ('0' + d) : d;
		let h = date.getHours();
		h = h < 10 ? ('0' + h) : h;
		let m = date.getMinutes();
		m = m < 10 ? ('0' + m) : m;
		let s = date.getSeconds();
		s = s < 10 ? ('0' + s) : s;
		return y + ta + MM + ta + d + ' ' + h + ':' + m + ':' + s; //+ ' ' + h + ':' + m + ':' + s
	},
	getFormatDateNum(e) {
		let date = new Date();
		let y = date.getFullYear();
		let MM = date.getMonth() + 1;
		MM = MM < 10 ? ('0' + MM) : MM;
		let d = date.getDate();
		d = d < 10 ? ('0' + d) : d;
		let h = date.getHours();
		h = h < 10 ? ('0' + h) : h;
		let m = date.getMinutes();
		m = m < 10 ? ('0' + m) : m;
		let s = date.getSeconds();
		s = s < 10 ? ('0' + s) : s;
		return y + '/' + MM + '/' + d + ' ' + e + ':' + '00' + ':' + '00'; //+ ' ' + h + ':' + m + ':' + s
	},
	//得到日期显示
	getFormatMD() {
		let date = new Date();
		let y = date.getFullYear();
		let MM = date.getMonth() + 1;
		MM = MM < 10 ? ('0' + MM) : MM;
		let d = date.getDate();
		d = d < 10 ? ('0' + d) : d;
		let h = date.getHours();
		h = h < 10 ? ('0' + h) : h;
		let m = date.getMinutes();
		m = m < 10 ? ('0' + m) : m;
		let s = date.getSeconds();
		s = s < 10 ? ('0' + s) : s;
		return MM + '月' + d + '日';
	},
	
	//日期显示
	formatDate(value) {
		let date = new Date(parseInt(value) * 1000);
		let y = date.getFullYear();
		let MM = date.getMonth() + 1;
		MM = MM < 10 ? ('0' + MM) : MM;
		let d = date.getDate();
		d = d < 10 ? ('0' + d) : d;
		let h = date.getHours();
		h = h < 10 ? ('0' + h) : h;
		let m = date.getMinutes();
		m = m < 10 ? ('0' + m) : m;
		let s = date.getSeconds();
		s = s < 10 ? ('0' + s) : s;
		return y + '-' + MM + '-' + d + ' ' + h + ':' + m + ':' + s;
	},
	//年月日
	formatDateYmd(value) {
		let date = new Date(parseInt(value) * 1000);
		let y = date.getFullYear();
		let MM = date.getMonth() + 1;
		MM = MM < 10 ? ('0' + MM) : MM;
		let d = date.getDate();
		d = d < 10 ? ('0' + d) : d;
		let h = date.getHours();
		h = h < 10 ? ('0' + h) : h;
		let m = date.getMinutes();
		m = m < 10 ? ('0' + m) : m;
		let s = date.getSeconds();
		s = s < 10 ? ('0' + s) : s;
		return y + '-' + MM + '-' + d;
	},
	//月日
	formatDateYm(value) {
		let date = new Date(parseInt(value) * 1000);
		let y = date.getFullYear();
		let MM = date.getMonth() + 1;
		MM = MM < 10 ? ('0' + MM) : MM;
		let d = date.getDate();
		d = d < 10 ? ('0' + d) : d;
		let h = date.getHours();
		h = h < 10 ? ('0' + h) : h;
		let m = date.getMinutes();
		m = m < 10 ? ('0' + m) : m;
		let s = date.getSeconds();
		s = s < 10 ? ('0' + s) : s;
		return MM + '.' + d + ' ' + h + ':' + m;
	},
	toTime(value){
		var timestamp = new Date(value).getTime();
		
		return timestamp/1000;
	},
	time2string(second){
		var day =  Math.floor(second/(3600*24));
		 second = second%(3600*24); //除去整天之后剩余的时间
		var hour =  Math.floor(second/3600);
		 second = second%3600; //除去整小时之后剩余的时间 
		var minute =  Math.floor(second/60);
		 second = second%60; //除去整分钟之后剩余的时间 
		//返回字符串
		//return day + '天' + hour + '小时' + minute + '分' + second + '秒';
		return {hour,minute,second}
	},
	/*日期工具*/
	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]);
		}
	},
	friendlyDate(timestamp) {
		var formats = {
			'year': '%n% 年前',
			'month': '%n% 月前',
			'day': '%n% 天前',
			'hour': '%n% 小时前',
			'minute': '%n% 分钟前',
			'second': '%n% 秒前',
		};

		var now = Date.now();
		var seconds = Math.floor((now - timestamp) / 1000);
		var minutes = Math.floor(seconds / 60);
		var hours = Math.floor(minutes / 60);
		var days = Math.floor(hours / 24);
		var months = Math.floor(days / 30);
		var years = Math.floor(months / 12);

		var diffType = '';
		var diffValue = 0;
		if (years > 0) {
			diffType = 'year';
			diffValue = years;
		} else {
			if (months > 0) {
				diffType = 'month';
				diffValue = months;
			} else {
				if (days > 0) {
					diffType = 'day';
					diffValue = days;
				} else {
					if (hours > 0) {
						diffType = 'hour';
						diffValue = hours;
					} else {
						if (minutes > 0) {
							diffType = 'minute';
							diffValue = minutes;
						} else {
							diffType = 'second';
							diffValue = seconds === 0 ? (seconds = 1) : seconds;
						}
					}
				}
			}
		}
		return formats[diffType].replace('%n%', diffValue);
	},
	//时间显示
	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(':')
	},
	//经纬度
	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('.')
		}
	},
	/* 
	 * 将cityNo 转 cityName
	 * cityData:原数据
	 * cityNo：二级地区编码
	 */
	getCityName(cityData, cityNo) {
		if (!cityNo) return;
		if (!(cityData instanceof Array)) return;
		// 9112
		cityNo += "";
		for (let i = 0; i < cityData.length; i++) {
			let sheng = cityData[i];
			for (let j = 0; j < sheng.children.length; j++) {
				let shi = sheng.children[j];
				if (shi.value == cityNo) {
					// 使用return 终止循环
					return `${sheng.label}-${shi.label}`;
				}
			}
		}
	},
	removeTime(dateStr) {
	  const date = new Date(dateStr);
	  return `${date.getFullYear()}-${date.getMonth() + 1}-${date.getDate()}`;
	},
	/* 
	 * obj 转 params字符串参数  
	 * 例子：{a:1,b:2} => a=1&b=2
	 */
	objParseParam(obj) {
		let paramsStr = "";
		if (obj instanceof Array) return paramsStr;
		if (!(obj instanceof Object)) return paramsStr;
		for (let key in obj) {
			paramsStr += `${key}=${obj[key]}&`;
		}
		return paramsStr.substring(0, paramsStr.length - 1);
	},
	/* 
	 * obj 转 路由地址带参数
	 * 例子：{a:1,b:2} => /pages/index/index?a=1&b=2
	 */
	objParseUrlAndParam(path, obj) {
		let url = path || "/";
		let paramsStr = "";
		if (obj instanceof Array) return url;
		if (!(obj instanceof Object)) return url;
		paramsStr = this.objParseParam(obj);
		paramsStr && (url += "?");
		url += paramsStr;
		return url;
	},
	/* 
	 * 获取url字符串参数
	 */
	getRequestParameters(locationhref) {
		let href = locationhref || "";
		let theRequest = new Object();
		let str = href.split("?")[1];
		if (str != undefined) {
			let strs = str.split("&");
			for (let i = 0; i < strs.length; i++) {
				theRequest[strs[i].split("=")[0]] = (strs[i].split("=")[1]);
			}
		}
		return theRequest;
	},
	/* 
	 * 银行卡每四位空格
	 */
	formatCardNo(cardNo) {
		cardNo += "";
		return cardNo.replace(/\s/g, '').replace(/[^\d]/g, '').replace(/(\d{4})(?=\d)/g, '$1 ');
	},
	/**
	 * 乘法，解决js精度损失问题
	 * @param {*} arg1 
	 * @param {*} arg2 
	 */
	accMul(arg1, arg2) {
		arg1 = arg1 || 0;
		var m = 0,
			s1 = arg1.toString(),
			s2 = arg2.toString();
		try {
			m += s1.split(".")[1].length
		} catch (e) {}
		try {
			m += s2.split(".")[1].length
		} catch (e) {}
		return Number(s1.replace(".", "")) * Number(s2.replace(".", "")) / Math.pow(10, m)
	},
	//数字补齐2位
	forMatNum(num) {
		return num < 10 ? '0' + num : num + '';
	},
	//日期
	initDays(year, month) {
		let totalDays = new Date(year, month, 0).getDate();
		let dates = [];
		for (let d = 1; d <= totalDays; d++) {
			dates.push(forMatNum(d));
		};
		return dates;
	},
	//日期
	initPicker(start, end, mode = "date", step = 1) {
		let initstartDate = new Date(start);
		let endDate = new Date(end);
		let startYear = initstartDate.getFullYear();
		let startMonth = initstartDate.getMonth();
		let endYear = endDate.getFullYear();
		let years = [],
			months = [],
			days = [],
			hours = [],
			minutes = [];
		let totalDays = new Date(startYear, startMonth, 0).getDate();
		for (let s = startYear; s <= endYear; s++) {
			years.push(s + '');
		};
		for (let m = 1; m <= 12; m++) {
			months.push(forMatNum(m));
		};
		for (let d = 1; d <= totalDays; d++) {
			days.push(forMatNum(d));
		}
		for (let h = 0; h < 24; h++) {
			hours.push(forMatNum(h));
		}
		for (let m = 0; m < 60; m += step) {
			minutes.push(forMatNum(m));
		}
		switch (mode) {
			case "date":
				return {
					years,
					months,
					days
				}
				break;
			case "yearMonth":
				return {
					years,
					months
				}
				break;
			case "dateTime":
				return {
					years,
					months,
					days,
					hours,
					minutes
				}
				break;
			case "time":
				return {
					hours,
					minutes
				}
				break;
		}
	},
	// 深拷贝
	deepClone(obj){
	　　let objClone =  Array.isArray(obj) ? [] : {};
	　　if (obj && typeof obj === 'object') {
	　　　　for(let key in obj){
	　　　　　　if (obj[key] && typeof obj[key] === 'object'){
	　　　　　　　　objClone[key] = this.deepClone(obj[key]);
	　　　　　　}else{
	　　　　　　　　objClone[key] = obj[key]
	　　　　　　}
	　　　　}
	　　}
	　　return objClone;
	}
}