Class Tools

mini_program/common/Tools.js:4–867

import __config from '../siteinfo'

class Tools {

	constructor() {
		Object.assign(this, {
			$$basePath: __config.basePath
		})
	}

	/**
	 * 返回文件后缀
	 * @param  {Object} file
	 * @return {String}
	 */
	getFilenameExt(file) {
		const types = file.name.split('.')
		return types[types.length - 1]
	}

	getCurrentDate() {
		const date = new Date();
		const year = date.getFullYear()
		const month = date.getMonth() + 1
		const day = date.getDate()
		return [year, month, day].join('-')
	}

	getCurrentTime() {
		const date = new Date();
		const hour = date.getHours()
		const minute = date.getMinutes()
		return [hour, minute].join(':')
	}

	/**
	 * 返回指定范围内的一个整数
	 * @param  {Number} min
	 * @param  {Number} max
	 * @return {String}
	 */
	rand(min, max) {
		return Math.floor(Math.random() * (max - min + 1) + min)
	}

	/**
	 * 生成字符串组合
	 * @param  {Number} size
	 * @return {String}
	 */
	randString(size) {
		let result = ''
		let allChar = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'

		size = size || 1

		while (size--) {
			result += allChar.charAt(this.rand(0, allChar.length - 1))
		}