uni-events-helper-wx/nxTemp/utils/tools.js

export default {
	/**
	 * 图片处理-预览图片
	 * @param {Array} urls - 图片列表
	 * @param {Number} current - 首个预览下标
	 */
	previewImage(urls = [], current = 0) {
		uni.previewImage({
			urls: urls,
			current: current,
			indicator: 'default',
			loop: true,
			fail(err) {
				console.log('previewImage出错', urls, err)
			},
		})
	},

	/**
	 * 打电话
	 * @param {String<Number>} phoneNumber - 数字字符串
	 */
	callPhone(phoneNumber = '') {
		let num = phoneNumber.toString()
		uni.makePhoneCall({
			phoneNumber: num,
			fail(err) {
				console.log('makePhoneCall出错', err)
			},
		});
	},
	
	/**
	* @description: 弹窗封装
	* @param {String} msg
	* @return: {*}
	*/
	showNone(msg){
		uni.showToast({
			title: msg,
			icon: 'none',
			duration:2000
		});
	},
	
	/**
	* @description: 自动封装promise
	* @param {Function} api
	* @return {Promise API}
	*/
	promisify(api){
	  return (options, ...params) => {
	      return new Promise((resolve, reject) => {
	          api(Object.assign({}, options, { success: resolve, fail: reject }), ...params);
	      });
	  }
	},
	
	/**
	* @description: 获取URL拼接
	* @param {JSON Object} data
	* @param {String} url
	* @return {String}
	*/
	getWebURL(data,url){
		let result = ""
		for(var i in data){
			result+=`&${i}=${data[i]}`
		}
		return url+"?"+result.slice(1)
	},
	
	/**
	* @description: 休眠指定时间
	* @param {Int} time 
	* @return: {*}
	*/
	async sleep(time){
		const res = await new Promise(resolve => {
		        setTimeout(() => resolve("asyncSetTimeOut"), time||1000);
		});
		return res
	},
	
	/**
	* @description: 解析onload传递参数,兼容多种传参方式
	* @param {String ,JSON Object } param
	* @return: {*}
	*/
	getDecodeObj(param) { //解析传递参数 - 兼容开发者工具快速调试参数,并做promise封装
		return new Promise((rs, rj) => {
			let res = decodeURIComponent(param)
			try {
				res = JSON.parse(res)
			} catch (e) {
				//TODO handle the exception
				res = JSON.parse(decodeURIComponent(res)) || res
			} finally {
				if (typeof(res) == 'object') rs(res)
				rj(res)
			}
		})
	},
	
	/**
	* @description: 防抖函数封装
	* @param {Function} func
	* @param {Int} wait
	* @param {Bool} immediate
	* @return {debounce Function}
	*/
	debounce(func, wait, immediate) {
	  let timeout, args, context, timestamp, result;
	  const later = function() {
	    // 据上一次触发时间间隔
	    const last = +new Date() - timestamp;
	    // 上次被包装函数被调用时间间隔last小于设定时间间隔wait
	    if (last < wait && last > 0) {
	      timeout = setTimeout(later, wait - last);
	    } else {
	      timeout = null;
	      // 如果设定为immediate===true，因为开始边界已经调用过了此处无需调用
	      if (!immediate) {
	        result = func.apply(context, args);
	        if (!timeout) context = args = null;
	      }
	    }
	  }
	  return function(...args) {
	    context = this;
	    timestamp = +new Date();
	    const callNow = immediate && !timeout;
	    // 如果延时不存在，重新设定延时
	    if (!timeout) timeout = setTimeout(later, wait);
	    if (callNow) {
	      result = func.apply(context, args);
	      context = args = null;
	    }
	    return result;
	  }
	},
	
	/**
	* @description: 路由跳转,uni版(未兼容路由)
	* @param {String Path} url
	* @param {String } type 
	* @return: {*}
	*/
	routeTo(url,type){
		switch(type){
			case 'nT': uni.navigateTo({url});
			break 
			case 'rT': uni.redirectTo({url});
			break 
			case 'rL': uni.reLaunch({url});
			break 
			case 'sT': uni.switchTab({url});
	    break 
			default: uni.navigateBack({delta: 1})
			break
		}
	},
	
	route(url,type){
		// 无再次封装必要,参考
		// https://hhyang.cn/v2/api/routerInsatll.html#router-aftereach
	},
	
}