tourism/uni_applet/util/util.js

// 日期格式化1
export function parseTime(time, pattern) {
	if (arguments.length === 0) {
		return null
	}
	const format = pattern || '{y}-{m}-{d} {h}:{i}:{s}'
	let date
	if (typeof time === 'object') {
		date = time
	} else {
		if ((typeof time === 'string') && (/^[0-9]+$/.test(time))) {
			time = parseInt(time)
		}
		if ((typeof time === 'number') && (time.toString().length === 10)) {
			time = time * 1000
		}
		date = new Date(time)
	}
	const formatObj = {
		y: date.getFullYear(),
		m: date.getMonth() + 1,
		d: date.getDate(),
		h: date.getHours(),
		i: date.getMinutes(),
		s: date.getSeconds(),
		a: date.getDay()
	}
	const time_str = format.replace(/{(y|m|d|h|i|s|a)+}/g, (result, key) => {
		let value = formatObj[key]
		// Note: getDay() returns 0 on Sunday
		if (key === 'a') {
			return ['日', '一', '二', '三', '四', '五', '六'][value]
		}
		if (result.length > 0 && value < 10) {
			value = '0' + value
		}
		return value || 0
	})
	return time_str
}
/**
 * 防止小程序多次点击跳转
 * @param {*} obj 
 * @returns 
 */
export function throttle(fn, gapTime) {
	if (gapTime == null || gapTime == undefined) {
		gapTime = 1500
	}

	let _lastTime = null
	uni.scanCode({
		success: function(res) {
			console.log('条码类型：' + res.scanType);
			console.log('条码内容：' + res.result);

		}
	});
	// 返回新的函数
	return function() {
		let _nowTime = +new Date()
		if (_nowTime - _lastTime > gapTime || !_lastTime) {
			fn.apply(this, arguments) //将this和参数传给原函数
			_lastTime = _nowTime
		}
	}
}

export function authorizedLocation() {
	return new Promise((resolve, reject) => {
		uni.getSetting({
			success: (res) => {
				// res.authSetting['scope.userLocation'] === undefined  表示 初始化进入，从未授权
				// res.authSetting['scope.userLocation'] === true       表示 已授权
				// res.authSetting['scope.userLocation'] === false      表示 授权拒绝
				if (res.authSetting['scope.userLocation'] === undefined) {
					// console.log("弹出位置授权框")
					getLocation().then((res) => {
							// 授权位置成功
							uni.setStorageSync("LocationPlace", res)
							resolve(res)
						})
						.catch((err) => {
							// 授权位置失败
							reject(err)
							uni.showToast({
								title: '授权位置失败',
								icon: 'none',
								duration: 3000
							})
						})

				} else if (res.authSetting['scope.userLocation'] === true) {
					// console.log("已经授权")
					getLocation().then((res) => {
							uni.setStorageSync("LocationPlace", res)
							// 授权位置成功
							resolve(res)
						})
						.catch((err) => {
							// 授权位置失败
							reject(err)
							uni.showToast({
								title: '授权位置失败',
								icon: 'none',
								duration: 3000
							})
						})

				} else if (res.authSetting['scope.userLocation'] === false) {
					// console.log("弹出允许授权设置框")
					uni.authorize({
						scope: 'scope.userLocation',
						success() {
							getLocation().then((res) => {
									// 授权位置成功
									uni.setStorageSync("LocationPlace", res)
									resolve(res)
								})
								.catch((err) => {
									// 授权位置失败
									reject(err)
									uni.showToast({
										title: '授权位置失败',
										icon: 'none',
										duration: 3000
									})
								})
						},
						fail() {
							uni.showModal({
								title: '您未开启地理位置授权',
								content: '是否前往授权？',
								success: res => {
									if (res.confirm) {
										uni.openSetting()
									} else {
										console.log("取消授权")
										resolve('取消授权')
									}
								},
							})
						}
					})
				}
			}
		})
	})
}

// 获取用户当前位置
export function getLocation() {
	return new Promise((resolve, reject) => {
		uni.getLocation({
			type: 'wgs84',
			success: (res) => {
				resolve(res)
				// console.log(res)
				// console.log('当前位置的经度：' + res.longitude);
				// console.log('当前位置的纬度：' + res.latitude);
			},
			fail: (err) => {
				reject(err)
				console.log(err)
			}
		})
	})
}