universal-wechat-uniapp-241007/utils/utils.js

function toArray(data) {
	if (!data) return []
	if (data instanceof Array){
		return data
	} else {
		return [data]
	}
}

function generateUUID() {
  return 'xxxxxxxxxxxx4xxxyxxxxxxxxxxxxxxx'.replace(/[xy]/g, function(c) {
    var r = Math.random() * 16 | 0,
        v = c == 'x' ? r : (r & 0x3 | 0x8);
    return v.toString(16);
  });
}

function generateRandomColor() {
  const letters = '0123456789ABCDEF';
  let color = '#';
  for (let i = 0; i < 6; i++) {
    color += letters[Math.floor(Math.random() * 16)];
  }
  return color;
}

function generateLightRandomColor() {
  const min = 150; 
  const range = 105;
  const r = Math.floor(Math.random() * range + min);
  const g = Math.floor(Math.random() * range + min);
  const b = Math.floor(Math.random() * range + min);
  const color = 'rgb(' + r + ',' + g + ',' + b + ')';
  return color;
}

function verificationAll(data, msg){
	
	if (!msg){
		console.log(msg);
		return false
	}
	
	if (!data){
		uni.showToast({
			title: '表单数据未填写',
			icon: "none"
		})
	}
	
	for (let key in msg) {
	    if (!data[key]) {
			uni.showToast({
				title: msg[key],
				icon: "none"
			})
			return true
	    }
	}
	
	
	// let Msgs = {
	// 	default : msg || '表单数据未填写'
	// }
	
	// if(typeof msg == 'object'){
	// 	Msgs = {
	// 		default : '表单数据未填写',
	// 		...msg,
	// 	}
	// }
	
	// if (!data){
	// 	uni.showToast({
	// 		title: Msgs.default,
	// 		icon: "none"
	// 	})
	// 	return true
	// }
	// for (let key in data) {
	//     if (!data[key] || data[key] === "") {
	// 		uni.showToast({
	// 			title: (Msgs[key] || Msgs.default),
	// 			icon: "none"
	// 		})
	// 		return true
	//     }
	// }
	return false
}

//验证手机号是否合法
function verificationPhone(phone){
	if(!/^(13[0-9]|14[01456879]|15[0-35-9]|16[2567]|17[0-8]|18[0-9]|19[0-35-9])\d{8}$/.test(phone)){
		return false
	}
	return true
}

//获取url中参数的方法
export function getHrefParams(name) {
	var url = window.location.href;
	try {
		var cs = url.split('?')[1]; //获取?之后的参数字符串
		var cs_arr = cs.split('&'); //参数字符串分割为数组
		for (var i = 0; i < cs_arr.length; i++) { //遍历数组，拿到json对象
			if (cs_arr[i].split('=')[0] == name) {
				return cs_arr[i].split('=')[1];
			}
		}
		return "";
	} catch {
		return "";
	}
}


//深度对比合并两个对象，相同属性b会覆盖a
export function deepMergeObject(a, b){
	let data = JSON.parse(JSON.stringify(a))
	function mergeObject(obj1, obj2){
		for(let key in obj2){
			if(typeof obj1[key] == 'object'){
				obj1[key] = mergeObject(obj1[key], obj2[key])
			}else{
				obj1[key] = obj2[key]
			}
		}
		return obj1
	}
	return mergeObject(data, b)
}

//复制内容
export function copyText(content) {
	uni.setClipboardData({
		data: content,
		success: () => {
			uni.showToast({
				title: '复制成功',
				icon: 'none'
			})
		}
	})
}

// 将字符串中的文本格式化html
export function stringFormatHtml(str){
	return str && str.replace(/\n/gi, '<br>')
	.replace(/ /gi, ' ')
}

function params(url){
	if(typeof url == 'object'){
		return url
	}
	
	let data = {
		url
	}
	
	if(!data.url.includes('/pages')){
		data.url = '/pages' + data.url
	}
	
	return data
}


export function navigateTo(...args){
	uni.navigateTo(params(...args))
}

export function navigateBack(num = -1){
	if(getCurrentPages().length == 1){
		uni.reLaunch({
			url: '/pages/index/index'
		})
		return
	}
	uni.navigateBack(num)
}

export function redirectTo(...args){
	uni.redirectTo(params(...args))
}
export const toLogin = function(){
	let time = 0
	return () => {
		if(new Date().getTime() - time < 1000){
			return
		}
		time = new Date().getTime()
		uni.navigateTo({
			url: '/pages_order/auth/wxLogin'
		})
	}
}()

//获取图片字符串中的第一张图片
export function getImageOne(image){
	if(!image){
		return ''
	}
	let arr = image.split(',')
	for (var index = 0; index < arr.length; index++) {
		var element = arr[index].trim();
		if(!element) continue;
		
		// 获取文件扩展名
		const lastDotIndex = element.lastIndexOf('.');
		if(lastDotIndex === -1) continue;
		
		const extension = element.substring(lastDotIndex + 1).toLowerCase();
		
		// 检查是否为图片格式
		const imageExtensions = ['png', 'jpg', 'jpeg', 'gif', 'bmp', 'webp', 'svg'];
		if(imageExtensions.includes(extension)){
			return element
		}
	}
	
	// 如果没有找到图片，返回第一个非空元素作为备选
	for (var index = 0; index < arr.length; index++) {
		var element = arr[index].trim();
		if(element) {
			return element
		}
	}
	
	return ''
}

export default {
	toArray,
	generateUUID,
	verificationAll,
	generateRandomColor,
	generateLightRandomColor,
	verificationPhone,
	getHrefParams,
	deepMergeObject,
	navigateTo,
	navigateBack,
	redirectTo,
	copyText,
	stringFormatHtml,
	toLogin,
	getImageOne
}