qianniaoMp/access/utils.js

/**
 * 将小数点后面的字体变小
 * */
export const splitPrice = (price = 0, px = 10) => {
	let arr = (price || 0).toString().split(".");
	return `${arr[0]}<span style="font-size:${px}px;">.${arr[1]||"00"}</span>`;
}

// 判断市场常见的几种刘海屏机型
export const modelmes = () => {
	// 判断市场常见的几种刘海屏机型
	const systemInfo = uni.getSystemInfoSync();
	let modelmes = systemInfo.model;
	if (modelmes.indexOf('iPhone X') >= 0 || modelmes.indexOf('iPhone XR') >= 0 || modelmes.indexOf('iPhone XS') >=
		0 ||
		modelmes.indexOf('iPhone 12') >= 0 || modelmes.indexOf('iPhone 11') >= 0 || modelmes.indexOf('iPhone11') >=
		0 ||
		modelmes.indexOf('iPhone12') >= 0 || modelmes.indexOf('iPhoneXR') >= 0 || modelmes.indexOf('iPhoneX') >= 0
	) {
		return true
	} else {
		return false
	}
}
/**
 * 将rgba转为十六进制
 * */
export const hexify = (color) => {
	if (!color) return ''
	var values = color
		.replace(/rgba?\(/, '')
		.replace(/\)/, '')
		.replace(/[\s+]/g, '')
		.split(',');
	var a = parseFloat(values[3] || 1),
		r = Math.floor(a * parseInt(values[0]) + (1 - a) * 255),
		g = Math.floor(a * parseInt(values[1]) + (1 - a) * 255),
		b = Math.floor(a * parseInt(values[2]) + (1 - a) * 255);
	return "#" +
		("0" + r.toString(16)).slice(-2) +
		("0" + g.toString(16)).slice(-2) +
		("0" + b.toString(16)).slice(-2);
}

/**
 * 将十六进制颜色转为rgba
 *使用时只需传入十六进制字符串，“n”表示透明度
 * */
export const colorRgba = (str, n) => {
	console.log(n)
	// 十六进制颜色值的正则表达式
	let reg = /^#([0-9a-fA-f]{3}|[0-9a-fA-f]{6})$/
	let sColor = str.toLowerCase()
	if (str === 'rgb(95,171,42)') {
		sColor = '#91E055'.toLowerCase()
	}
	if (str === 'rgb(145,224,85)') {
		sColor = '#5FAB2A'.toLowerCase()
	}
	// 十六进制颜色转换为RGB格式
	if (sColor && reg.test(sColor)) {
		if (sColor.length === 4) {
			let sColorNew = '#'
			for (let i = 1; i < 4; i += 1) { // 例如：#eee,#fff等
				sColorNew += sColor.slice(i, i + 1).concat(sColor.slice(i, i + 1))
			}
			sColor = sColorNew
		}
		// 处理六位颜色值
		let sColorChange = []
		for (let i = 1; i < 7; i += 2) {
			sColorChange.push(parseInt('0x' + sColor.slice(i, i + 2)))
		}
		return 'rgba(' + sColorChange.join(',') + ',' + n + ')'
	} else {
		return sColor
	}
}
// 获取【加载更多】组件状态
export function loadStatus(page, pageSize, total) {
	if (total / pageSize > page) {
		return 'loadmore';
	} else {
		return 'nomore';
	}
}
/*加法函数，用来得到精确的加法结果 */
export const accAdd = (num1, num2) => {
	var p1 = 0;
	var p2 = 0;

	if (num1.toString().split('.').length > 1) {
		p1 = num1.toString().split('.')[1].length;
	}

	if (num2.toString().split('.').length > 1) {
		p2 = num2.toString().split(".")[1].length;
	}

	var p = p1 > p2 ? p1 : p2;

	var n1 = num1 * Math.pow(10, p);
	var n2 = num2 * Math.pow(10, p);

	var result = (n1 + n2) / Math.pow(10, p);

	return parseFloat(result.toPrecision(12));
}
/*减法函数，用来得到精确的减法结果 */
export const Subtr = (arg1, arg2) => {
	var r1, r2, m, n;
	try {
		r1 = arg1.toString().split(".")[1].length
	} catch (e) {
		r1 = 0
	}
	try {
		r2 = arg2.toString().split(".")[1].length
	} catch (e) {
		r2 = 0
	}
	m = Math.pow(10, Math.max(r1, r2));
	//last modify by deeka
	//动态控制精度长度
	n = (r1 >= r2) ? r1 : r2;
	var result = ((arg1 * m - arg2 * m) / m).toFixed(n);
	return result
}

// 本月第一天
export function showMonthFirstDay() {
	var Nowdate = new Date();
	var MonthFirstDay = new Date(Nowdate.getFullYear(), Nowdate.getMonth(), 1);
	const M = Number(MonthFirstDay.getMonth()) + 1;
	return (
		MonthFirstDay.getFullYear() +
		"-" +
		M +
		"-" +
		MonthFirstDay.getDate() +
		" 00:00:00"
	);
}
/**
 * @description 时间格式化  时间戳转换为时间
 * @param date
 * @param fmt
 * @return {*}
 */
export function formatDate(date, fmt) {
	if (!date) {
		return ''
	}
	// if (typeof date !== 'string') {
	//   return ''
	// }
	date *= (date.toString().length === 10 ? 1000 : 1)
	let _date = new Date(date)
	let _fmt = fmt || 'yyyy-MM-dd hh:mm:ss'
	let o = {
		'M+': _date.getMonth() + 1,
		'd+': _date.getDate(),
		'h+': _date.getHours(),
		'm+': _date.getMinutes(),
		's+': _date.getSeconds()
	}
	if (/(y+)/.test(_fmt)) {
		_fmt = _fmt.replace(RegExp.$1, (_date.getFullYear() + '').substr(4 - RegExp.$1.length))
	}
	for (let 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
}

/**
 * @description 时间格式化  时间字符串转换为时间戳
 * @param date
 * @param len     默认时间戳长度为10位
 * @return {*}
 */
export function dateToStamp(str, len = 10) {
	// new Date(yyyy-mm-dd hh:mm:ss) 这里ios会返回null，把‘-’划分替换为‘/’划分
	let date = new Date(str.replace(/-/g, '/'))
	return parseInt(date.getTime() / (len === 13 ? 1 : 1000))
}
/**
 * 格式化数字，数字每隔三位加个逗号
 * params: num 需要处理的数字
 * params: len 需要保留的小数点位数
 */
export function formattedNumber(num, len = 2) {
	let result = "",
		counter = 0;
	let formatNum;
	if (num < 0) {
		formatNum = formatNub(Math.abs(num) || 0, len);
	} else {
		formatNum = formatNub(num || 0, len);
	}
	let stringNum = formatNum.toString().split(".");
	for (let i = stringNum[0].length - 1; i >= 0; i--) {
		counter++;
		result = stringNum[0].charAt(i) + result;
		if (!(counter % 3) && i != 0) {
			result = "," + result;
		}
	}
	result = num < 0 ? "-" + result : result;
	if (stringNum[1]) {
		return "¥" + result + "." + stringNum[1];
	} else {
		return "¥" + result;
	}
};


export function isDefine(value) {
		  if (value == null || value == "" || value == "undefined" || value == undefined || value == "null" || value == "(null)" || value == 'NULL' || typeof (value) == 'undefined') {
		    return false;
		  }
		  else {
		    value = value + "";
		    value = value.replace(/\s/g, "");
		    if (value == "") {
		      return false;
		    }
		    return true;
		  }
};


export function isMobile(value){
	var reg = /^1[0-9]{10,10}$/;
	if (!reg.test(value)) {
		return false; 
	}else{
		return true;
	}
}

export function isMoney(price){
	price = parseFloat(price);
	if (!isDefine(price) || isNaN(price) || price<0){
	    return false;
	}
	return true;
}

/**
 * 不四舍五入保留n位小数
 * params: val 需要处理的数字
 * params: len 需要保留的小数点位数
 */
export function formatNub(num, n = 2) {
	if (typeof num != "number" && !Number(num)) {
		return "0.00";
	}

	num = Number(num).toString();
	let result = "";
	let zeroResult = function(n) {
		let zero = "";
		for (let i = 0; i < n; i++) {
			zero += "0";
		}
		return zero;
	};
	if (num % 1 == 0) {
		//整数
		result = num + "." + zeroResult(n);
	} else {
		//小数
		let num1 = num.split(".");
		if (num1[1].length < n) {
			result = num1[0] + "." + num1[1] + zeroResult(n - num1[1].length);
		} else {
			result = num1[0] + "." + num1[1].substring(0, n);
		}
	}
	return result;
};
//省市区截取
export function getArea(str) {
	let area = {}
	let index11 = 0
	let index1 = str.indexOf("省")
	if (index1 == -1) {
		index11 = str.indexOf("自治区")
		if (index11 != -1) {
			area.provinceName = str.substring(0, index11 + 3)
		} else {
			area.provinceName = str.substring(0, 0)
		}
	} else {
		area.provinceName = str.substring(0, index1 + 1)
	}

	let index2 = str.indexOf("市")
	if (index11 == -1) {
		area.cityName = str.substring(index11 + 1, index2 + 1)
	} else {
		if (index11 == 0) {
			area.cityName = str.substring(index1 + 1, index2 + 1)
		} else {
			area.cityName = str.substring(index11 + 3, index2 + 1)
		}
	}


	let index3 = str.lastIndexOf("区")
	if (index3 == -1) {
		index3 = str.indexOf("县")
		if (index3 == -1) {
			index3 = str.lastIndexOf("市")
			area.districtName = str.substring(index2 + 1, index3 + 1)
		} else {
			area.districtName = str.substring(index2 + 1, index3 + 1)
		}
	} else {
		area.districtName = str.substring(index2 + 1, index3 + 1)
	}

	area.address = str.substring(index3 + 1)
	return area;
}

/**
 * 将手机号以3-4-4格式展示
 * */
export const mobileFormat = (mobile) => {
	return mobile.replace(/(\d{3})(\d{4})(\d{4})/, '$1 $2 $3');
}
/**
 * 将手机号空格还原
 * */
export const mobileRe = (mobile) => {
	return mobile.replace(/\s/g, '')
}