null/common/tools.js

import config from './config.js'
function msg(title = '', param={}){
	if(!title){
		return;
	}
	const duration = param.duration || 1500;
	const mask = param.mask || false;
	const icon = param.icon || 'none';
	
	let options = {
		title,
		duration,
		mask,
		icon
	}
	
	if(param.type){
	//	options.image = '/static/' + param.type + '.png';
	}
	uni.showToast(options);
}

function date(format, timeStamp){
	
	let date = new Date(timeStamp * 1000),
		Y = date.getFullYear(),
		m = date.getMonth() + 1,
		d = date.getDate(),
		H = date.getHours(),
		i = date.getMinutes(),
		s = date.getSeconds();
	
	m = m < 10 ? '0' + m : m;
	d = d < 10 ? '0' + d : d;
	H = H < 10 ? '0' + H : H;
	i = i < 10 ? '0' + i : i;
	s = s < 10 ? '0' + s : s;

	return format.replace(/[YmdHis]/g, key=>{
		return {Y,m,d,H,i,s}[key];
	});
}

/**
 * 节流原理：在一定时间内，只能触发一次
 * 
 * @param {Function} func 要执行的回调函数 
 * @param {Number} wait 延时的时间
 * @param {Boolean} immediate 是否立即执行
 * @return null
 * this.throttle(this.getResult, this.timeout, this.immediate);
 * $tools.throttle(submit)
 */
let timer, flag;
function throttle(func, wait = 2000, immediate = true) {
	if (immediate) {
		if (!flag) {
			flag = true;
			// 如果是立即执行，则在wait毫秒内开始时执行
			typeof func === 'function' && func();
			timer = setTimeout(() => {
				flag = false;
			}, wait);
		}
	} else {
		if (!flag) {
			flag = true
			// 如果是非立即执行，则在wait毫秒内的结束处执行
			timer = setTimeout(() => {
				flag = false
				typeof func === 'function' && func();
			}, wait);
		}
		
	}
}
/**
 * 防抖原理：一定时间内，只有最后一次操作，再过wait毫秒后才执行函数
 * 
 * @param {Function} func 要执行的回调函数 
 * @param {Number} wait 延时的时间
 * @param {Boolean} immediate 是否立即执行 
 * @return null
 * this.debounce(this.getResult, this.timeout, this.immediate);
 */
let timeout = null;
function debounce(func, wait = 500, immediate = false) {
		// 清除定时器
		if (timeout !== null) clearTimeout(timeout);
		// 立即执行，此类情况一般用不到
		if (immediate) {
			var callNow = !timeout;
			timeout = setTimeout(function() {
				timeout = null;
			}, wait);
			if (callNow) typeof func === 'function' && func();
		} else {
			// 设置定时器，当最后一次操作后，timeout不会再被清除，所以在延时wait毫秒后执行func回调方法
			timeout = setTimeout(function() {
				typeof func === 'function' && func();
			}, wait);
		}
	}

function inAction(fn, that, timeout = 2000){
	if(that['in' + fn]){
		return true
	}
	that['in' + fn] = true;
	setTimeout(()=>{
		that['in' + fn] = false;
	}, timeout)
	return false;
}


// 返回上一页
const prePage = (num=1) => {
	let pages = getCurrentPages();
	let prePage = pages[pages.length -1- num];
	// console.log('prePage--',prePage);
	// #ifdef H5
	return prePage;
	// #endif
	return prePage.$vm;
}


// 上传图片--注按需要对res处理 JSON.parse()
function uploadImg(formData){
	return new Promise((resolve,reject)=>{
		uni.chooseImage({
			count:1,
			success(chooseImageRes){
				// resolve(chooseImageRes.tempFilePaths[0]);
				const tempFilePaths = chooseImageRes.tempFilePaths[0];
				// const token = sessionStorage.getItem('token');
				const token = uni.getStorageSync('token');
				uni.showLoading({
					title: '请稍后..',
					mask: true,
				})
				uni.uploadFile({
					url:config.uploadImgUrl,
					filePath: tempFilePaths,
					name: 'file',
					formData:formData,
					header: {
						'token':token,
					},
					success:(res)=>{
						//需要JSON.parse
						let data = JSON.parse(res.data);
						if(!data || data.code !== 1 ){
							msg('上传失败');
							reject();
							return;
						}
						// console.log('tools uploadImg---',data);
						//即为全路径地址
						let fullurl = data.data.fullurl;
						resolve(fullurl);
					},
					fail:(err)=>{
						console.log('err--',err);
						msg('上传失败');
						reject();
					},
					complete:()=> {
						uni.hideLoading();
					},
				})
			},
			fail(err){
				// msg('打开相册失败');
				reject(err)
			}
		})
	})
}
function uploadVideo(formData={}){
	return new Promise((resolve,reject)=>{
		uni.chooseVideo({
			sourceType: ['camera', 'album'],
			success(chooseVideoRes){
				// resolve(chooseVideoRes.tempFilePaths[0]);
				const tempFilePath = chooseVideoRes.tempFilePath;
				// const token = sessionStorage.getItem('token');
				const token = uni.getStorageSync('token');
				uni.showLoading({
					title: '请稍后..',
					mask: true,
				})
				formData.act='video';
				uni.uploadFile({
					url:config.uploadVideoUrl,
					filePath: tempFilePath,
					name: 'file',
					formData:formData,
					header: {
						'token':token,
					},
					success:(res)=>{
						//需要JSON.parse
						let data = JSON.parse(res.data);
						if(!data || data.code !== 1 ){
							msg('上传失败');
							reject();
							return;
						}
						// //即为全路径地址
						resolve(data.data.fullurl);
						// console.log('res---',res);
					},
					fail:(err)=>{
						console.log('err--',err);
						msg('上传失败');
						reject();
					},
					complete:()=> {
						uni.hideLoading();
					},
				})
			},
			fail(err){
				// msg('打开相册失败');
				reject(err)
			}
		})
	})
}
// 查看单张图片
function previewImg(urls,idx=0){
	uni.previewImage({
		current: urls[idx],
		urls: urls,
		indicator: "number"
	})
}


//单个授权,针对定位await api.checkDeviceAuthorize('scope.userLocation','请开启定位,方便司机到达您的位置');
let hasOpenDeviceAuthorizeModal = false;
function checkDeviceAuthorize(scope,tipText) {
	if (hasOpenDeviceAuthorizeModal) {
		return
	}
	hasOpenDeviceAuthorizeModal = true
	
	return new Promise((resolve, reject) => {
		uni.getSetting().then((result) => {
			// this.authorizeCamera = result.authSetting['scope.camera']
			// console.log('getSetting 查看所有授权',result);
			let authSetting = result[1]['authSetting'];
			if (authSetting[scope]) {
				// console.log('getSetting 已授权',result);
				// 授权成功
				resolve({hasScoped:true})
				hasOpenDeviceAuthorizeModal = false
			} else {
				// 没有授权，弹出授权窗口
				// 注意： wx.authorize 只有首次调用会弹框，之后调用只返回结果，如果没有授权需要自行弹框提示处理
				// console.log('getSetting 查询没有授权，uni.authorize发起授权')
				uni.authorize({
					scope: scope,
					success: (res) => {
						// console.log('authorize ok', res)
					    resolve({initAuth:true})
						hasOpenDeviceAuthorizeModal = false
					},
					fail: (err) => {
						// console.log('authorize err 弹层提示', err)
						openConfirm(scope,tipText,(isTrue)=>{
							if(isTrue){
								// resolve({popAuth:true})
								reject(new Error('popAuth:true but onShow ok')); //onShow会得新调用
								hasOpenDeviceAuthorizeModal = false
							}else{
								reject(new Error('authorize fail'))
								hasOpenDeviceAuthorizeModal = false
							}
							
						})
					}
				})
			}
		})
	})
};
function openConfirm(scope,tipText,callback) {
	return uni.showModal({
		content: tipText,
		confirmText: '确认',
		cancelText: '取消',
		success: (res) => {
			// 点击“确认”时打开设置页面
			if (res.confirm) {
				// console.log('用户点击确认')
				uni.openSetting({
					success: (res) => {
						// console.log("wx.openSetting success res..",res)
						if(typeof callback == 'function' && res.authSetting[scope]==true){
							callback(true);
						}
					},
					fail:()=>{
						callback(false)
					}
				})
			} else {
				// console.log('用户点击取消')
				callback(false)
			}
		},
	})
};

///**详情页处理富文本 details仅是变化替换部分a.replace(/<text>(abc)<\/text>/,function(match,$1) $1=abc---------------------------------------------------------------------- */
const replaceDetail = (details = '') => {
	//newContent仅是details替换后内容;
  let newContent = details.replace(/<img[^>]*>/gi, function (match, capture) { //去除三标签
    match = match.replace(/style="[^"]+"/gi, '').replace(/style='[^']+'/gi, '');
    match = match.replace(/width="[^"]+"/gi, '').replace(/width='[^']+'/gi, '');
    match = match.replace(/height="[^"]+"/gi, '').replace(/height='[^']+'/gi, '');
    return match;
  });
  newContent = newContent.replace(/<br[^>]*\/>/gi, '');
  newContent = newContent.replace(/<img/gi, '<img style="max-width:100%;height:auto;display:block;margin:0 auto;"');
  return newContent;
}

//处理选择时间
const handleStrLength=(num)=>{
	return String(num).length < 2 ? '0' + num : num;
}
const handleDate=(date)=>{
	let m = handleStrLength(date.getMonth() + 1);
	let d = handleStrLength(date.getDate());
	// let h = handleStrLength(date.getHours());
	// let mm = handleStrLength(date.getMinutes());
	// let dateStr = date.getFullYear() + "-" + m + "-" + d + " " + h + ":" + mm;
	let dateStr = date.getFullYear() + "-" + m + "-" + d;
	return dateStr;
}
const handleDateTime=(date)=>{
	let m = handleStrLength(date.getMonth() + 1);
	let d = handleStrLength(date.getDate());
	// let h = handleStrLength(date.getHours());
	// let mm = handleStrLength(date.getMinutes());
	let dateStr = date.getFullYear() + "-" + m + "-" + d + " " + h + ":" + mm;
	// let dateStr = date.getFullYear() + "-" + m + "-" + d;
	return dateStr;
}

export default {
	msg,
	date,
	throttle,
	debounce,
	inAction,
	prePage,
	uploadImg,
	uploadVideo,
	previewImg,
	checkDeviceAuthorize,
	replaceDetail,
	handleDate,
	handleDateTime
}