BiKing/utils/common.js

// import config from "./config"
import store from "@/store/index.js"

import {
	Decimal
} from 'decimal.js'
import config from "./config.js"
export const setToken = (tokenVal) => {
	try {
		uni.setStorageSync(config.tokenKey, tokenVal);
	} catch (e) {
		// error
	}
}


export const getToken = () => {
	try {
		const value = uni.getStorageSync(config.tokenKey);
		return value || ''
	} catch (e) {
		// error
	}
}

export const setStorageSync = (key, val) => { 
	try {
		uni.setStorageSync(key, val);
	} catch (e) {
		// error
	}
}

export const getStorageSync = (key) => {
	try {
		const value = uni.getStorageSync(key);
		return value || ''
	} catch (e) {
		// error
	}
}


export const removeStorageSync = (key) => {
	try {
		uni.removeStorageSync(key);
	} catch (e) {
		// error
	}
}

export const refreshAccount = () => {
	store.commit('app/SET_TOKEN', '')
	uni.reLaunch({
		url: '/pages/index/index'
	});
}

// 判断是否登录
export const ifLogin_ = () => {
	return new Promise((resolve, reject) => {
		if (getToken()) {
			resolve()
		} else {
			uni.navigateTo({
				url: '/pages/login/index'
			});

			reject()
		};
	})
};



export const reverseBack = (path = undefined) => {
	const pages = getCurrentPages();
	if (pages.length <= 1) {
		uni.reLaunch({
			url: '/pages/index/index'
		});
	} else {
		let deltaNum = 1;
		if (path) {
			if (path.indexOf('/') === 0) {
				path = path.substring(1);
			};
			const pageLength = pages.length
			let num = pageLength;
			for (let i = 1; i <= pageLength; i++) {
				num -= 1;
				if (pages[num].route === path) {
					deltaNum = i;
					break;
				}
			}

		};
		uni.navigateBack({
			delta: deltaNum,
			fail: err => {}
		})
	}
}

export const decimalNum = {
	// 加法
	add: (a, b) => {
		return new Decimal(a).add(new Decimal(b))
	},
	// 减法
	sub: (a, b) => {
		return new Decimal(a).sub(new Decimal(b))
	},
	// 乘法
	mul: (a, b) => {
		return new Decimal(a).mul(new Decimal(b))
	},
	// 除法
	div: (a, b) => {
		return new Decimal(a).div(new Decimal(b))
	},

	// // 加法
	// let c = new Decimal(a).add(new Decimal(b)) 
	// // 减法
	// let d = new Decimal(a).sub(new Decimal(b))
	// // 乘法
	// let e = new Decimal(a).mul(new Decimal(b))
	// // 除法
	// let f = new Decimal(a).div(new Decimal(b))

}


// 涨跌颜色
export const setColor = (nums , type = false) => {
	if(type){
		return nums >= 0 ? true : false
	}else{
		return nums >= 0 ? 'zhang' : 'die'
	}
	
}


const doubleDigit = (t) => {
	if (t <= 9) {
		return `0${t}`
	}
	return t

}
export const getData_ = (time = '', type = true) => {
	if (time || type) {
		let now = time ? new Date(time) : new Date();
		const year = now.getFullYear();
		const month = doubleDigit(now.getMonth() + 1);
		const day = doubleDigit(now.getDate());
		const hour = doubleDigit(now.getHours());
		const min = doubleDigit(now.getMinutes());
		const seon = doubleDigit(now.getSeconds());
		return `${year}-${month}-${day} ${hour}:${min}:${seon}`
	}
	return ''

}

export const scanCode = () => {
	// 允许从相机和相册扫码
	return new Promise((resolve, reject) => {
		uni.scanCode({
			success: res => {
				console.log('条码类型：' + res.scanType);
				console.log('条码内容：' + res.result);
				resolve(res.result)
			},
			fail: err => {
				reject()
			},
		});
	})


}

// 阅读文章详情
export const readArticleInfo = (id) => {
	uni.navigateTo({
		url: `/pages/content/article-details?id=${id}`
	})
}


// 数字截取
export const numIntercepting = (num = 0, decimals = 0) => {
	if (num) {
		try {
			num = parseInt(num).toFixed(decimals)
		} catch {}
	}

	return num
}



export const getChange = (item, type) => {
	// 计算
	let num = ''
	switch (type) {
		case 1:
			// 浮动盈亏 = （（开仓价格 - 标记价格） × 数量 - 手续费）*100/ 标记价格
			num = ((item.update_price - item.origin_price) * item.number - item.trade_fee) * 100 / item
				.origin_price
			if (num) {
				num = num.toFixed(2)
			};
			break;
		case 2:
			// 保证金*100/可用余额
			num = item.caution_money * 100 / item.user.lever
			break;
		case 3:
			// 强平价 = 标记价格*100
			num = item.origin_price * 100
			break;


	}

	return (num || num === 0) ? num : '--'
}