weapp-online/utiils/filters.js

// 数字转汉字方法
export const numToZh = num => {
	if (!num && num !== 0) return ''
	const chnNumChar = ['零', '一', '二', '三', '四', '五', '六', '七', '八', '九']
	const chnUnitSection = ['', '万', '亿', '万亿', '亿亿']
	const chnUnitChar = ['', '十', '百', '千']
	const numToChn = num => {
		const index = num.toString().indexOf('.')
		if (index !== -1) {
			const str = num.toString().slice(index)
			let a = '点'
			for (let i = 1; i < str.length; i++) {
				a += chnNumChar[parseInt(str[i])]
			}
			return a
		} else {
			return ''
		}
	}
	// 定义在每个小节的内部进行转化的方法，其他部分则与小节内部转化方法相同
	const sectionToChinese = section => {
		let str = ''
		let chnstr = ''
		let zero = false
		let count = 0 // zero为是否进行补零， 第一次进行取余由于为个位数，默认不补零
		while (section > 0) {
			var v = section % 10 // 对数字取余10，得到的数即为个位数
			if (v === 0) {
				// 如果数字为零，则对字符串进行补零
				if (zero) {
					zero = false // 如果遇到连续多次取余都是0，那么只需补一个零即可
					chnstr = chnNumChar[v] + chnstr
				}
			} else {
				zero = true // 第一次取余之后，如果再次取余为零，则需要补零
				str = chnNumChar[v]
				str += chnUnitChar[count]
				chnstr = str + chnstr
			}
			count++
			section = Math.floor(section / 10)
		}
		return chnstr
	}
	const a = numToChn(num)
	num = Math.floor(num)
	let unitPos = 0
	let strIns = ''
	let chnStr = ''
	let needZero = false
	if (num === 0) {
		return chnNumChar[0]
	}
	while (num > 0) {
		const section = num % 10000
		if (needZero) {
			chnStr = chnNumChar[0] + chnStr
		}
		strIns = sectionToChinese(section)
		strIns += section !== 0 ? chnUnitSection[unitPos] : chnUnitSection[0]
		chnStr = strIns + chnStr
		needZero = section < 1000 && section > 0
		num = Math.floor(num / 10000)
		unitPos++
	}
	let result = chnStr + a
	const temp = result.split('')
	if (temp[0] === '一' && temp[1] === '十') {
		temp.splice(0, 1)
		result = temp.join('')
	}
	return result
}
// 活动类型
export const seasonType = type => {
	return type ? '密训营' : '实战营'
}
// 时间戳转换
export function dateFormatter(timestamp, fmt) {
	fmt = fmt || "yyyy-MM-dd";
	if (typeof timestamp === "string") {
		timestamp = timestamp.replace(/-/g, '/')
	}
	const $this = new Date(timestamp);
	const o = {
		"M+": $this.getMonth() + 1,
		"d+": $this.getDate(),
		"h+": $this.getHours(),
		"m+": $this.getMinutes(),
		"s+": $this.getSeconds(),
		"q+": Math.floor(($this.getMonth() + 3) / 3),
		S: $this.getMilliseconds()
	};
	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.$1.length === 1 ?
				o[k] :
				("00" + o[k]).substr(("" + o[k]).length)
			);
		}
	}
	return fmt;
}
// 倒计时
export const countDown = (s1, s2) => {
	const _c = n => n < 10 ? `0${n}` : n
	let max = Math.max(s1, s2)
	let min = Math.min(s1, s2)
	const _x = Math.floor((max - min) / 1000)
	let d = Math.floor(_x / 86400)
	let h = Math.floor((_x % 86400) / 3600)
	let m = Math.floor((_x - 86400 * d - h * 3600) / 60)
	let s = Math.floor(_x - 86400 * d - h * 3600 - m * 60)
	return `${_c(d)}天${_c(h)}时${_c(m)}分${_c(s)}秒`
}

export const getName = value => {
	return name.length > 10 ? name.slice(0, 10) + '...' : name;
}

// 活动类型
export const activityType = t => {
	t = Number(t)
	return t ? '密训营' : '实战营'
}