function formatNumber(n) {
	n = n.toString();
	return n[1] ? n : "0" + n;
}
function toDate(number, format) {
	var formateArr = ["Y", "M", "D", "h", "m", "s"];
	var returnArr = [];

	if (number === 0) {
		return 0;
	} else {
		var date = new Date(number * 1000);
	}
	returnArr.push(date.getFullYear());
	returnArr.push(formatNumber(date.getMonth() + 1));
	returnArr.push(formatNumber(date.getDate()));

	returnArr.push(formatNumber(date.getHours()));
	returnArr.push(formatNumber(date.getMinutes()));
	returnArr.push(formatNumber(date.getSeconds()));

	for (var i in returnArr) {
		format = format.replace(formateArr[i], returnArr[i]);
	}
	return format;
}
function getWeek(date) {
	//date:'Y-M-D'
	let time = new Date(date).getDay()
	let week;
	if (time == 0) week = "星期日"
	if (time == 1) week = "星期一"
	if (time == 2) week = "星期二"
	if (time == 3) week = "星期三"
	if (time == 4) week = "星期四"
	if (time == 5) week = "星期五"
	if (time == 6) week = "星期六"
	return week;
}

/************************************将数字搞成带逗号的那种*********************************************/
function autoComma(number) {
	// let number = parseInt(numb)
	if (number) {
		let newNum = ""; //中间变量
		let arr = [];
		let arr1 = [];
		let num = ""; //最终结果
		let isDecimal = false; //是不是小数
		let decimal = 0; //小数点所在位置
		let decimalNum = ""; //小数点和以后的数据
		let negative = false; //是不是负数
		// 判断百万级别或者上亿级别
		let thousand = false;
		let Billion = false;

		if (
			(number >= 10000 || number <= -10000) &&
			number < 100000000 &&
			number > -100000000
		) {
			thousand = true;
			number = number / 10000;
		}
		if (number >= 100000000 || number <= -100000000) {
			thousand = false;
			Billion = true;
			number = number / 100000000;
		}

		if (number < 0) {
			number = Math.abs(number);
			negative = true;
		}
		let numStr = JSON.stringify(number);
		// 如果传入的是小数，逗号的添加位置和整数是有区别滴
		for (let i = 0; i < numStr.length; i++) {
			if (numStr[i] === ".") {
				isDecimal = true;
				decimal = i;
				decimalNum = numStr.slice(decimal, numStr.length);
				// 保留两位小数
				if (decimalNum.length > 2) {
					decimalNum = decimalNum.slice(0, 3);
				}
				numStr = numStr.slice(0, decimal);
			}
		}
		for (let i = 0; i < numStr.length; i++) {
			arr.push(numStr[numStr.length - i - 1]);
		}
		for (let i = 0; i < arr.length; i++) {
			if ((i + 1) % 3 === 0 && i + 1 !== 0 && i + 1 < arr.length) {
				newNum += arr[i];
				newNum = newNum + ",";
			} else {
				newNum += arr[i];
			}
		}
		for (let i = 0; i < newNum.length; i++) {
			arr1.push(newNum[newNum.length - i - 1]);
		}
		for (let i = 0; i < arr1.length; i++) {
			num += arr1[i];
		}
		if (isDecimal) {
			if (negative) {
				// num = '-' + num + decimalNum
				// return num
				if (thousand) {
					num = "-" + num + decimalNum + "万";
					return num;
				} else if (Billion) {
					num = "-" + num + decimalNum + "亿";
					return num;
				} else {
					num = "-" + num + decimalNum;
					return num;
				}
			} else {
				// num = num + decimalNum
				// return num
				if (thousand) {
					num = num + decimalNum + "万";
					return num;
				} else if (Billion) {
					num = num + decimalNum + "亿";
					return num;
				} else {
					num = num + decimalNum;
					return num;
				}
			}
		} else {
			if (negative) {
				// num = '-' + num
				// return num
				if (thousand) {
					num = "-" + num + "万";
					return num;
				} else if (Billion) {
					num = "-" + num + "亿";
					return num;
				} else {
					num = "-" + num;
					return num;
				}
			} else {
				if (thousand) {
					num = num + "万";
					return num;
				} else if (Billion) {
					num = num + "亿";
					return num;
				} else {
					return num;
				}
			}
		}
	} else {
		return 0;
	}
}
export {
	toDate,
	getWeek,
	autoComma,
}