let URL = "http://www.baidu.com?name=張三&age=25&sex=男&wife=小紅"
function getUrlParams(url) {
    // 通過 ? 分割獲取后面的參數字符串
    let urlStr = url.split('?')[1]
    // 創(chuàng)建空對象存儲參數
	let obj = {};
    // 再通過 & 將每一個參數單獨分割出來
	let paramsArr = urlStr.split('&')
	for(let i = 0,len = paramsArr.length;i < len;i++){
        // 再通過 = 將每一個參數分割為 key:value 的形式
		let arr = paramsArr[i].split('=')
		obj[arr[0]] = arr[1];
	}
	return obj
}
console.log(getUrlParams(URL))

let URL = "http://www.baidu.com?name=Jack&age=25&sex=men&wife=Lucy"
function getUrlParams2(url) {
	let urlStr = url.split('?')[1]
	const urlSearchParams = new URLSearchParams(urlStr)
	const result = Object.fromEntries(urlSearchParams.entries())
	return result
}
console.log(getUrlParams2(URL))

let URL = "http://www.baidu.com?name=Tom&friend=Jerry"
function getUrlParams3(url){
	// \w+ 表示匹配至少一個(數字、字母及下劃線), [\u4e00-\u9fa5]+ 表示匹配至少一個中文字符
	let pattern = /(\w+|[\u4e00-\u9fa5]+)=(\w+|[\u4e00-\u9fa5]+)/ig;
	let result = {};
	url.replace(pattern, ($, $1, $2)=>{
		result[$1] = $2;
	})
	return result
}
console.log(getUrlParams3(URL))

<script src="https://cdn.bootcdn.net/ajax/libs/qs/6.10.3/qs.min.js"></script>
<script>
let URL = "http://www.baidu.com?product='iPhone 13 Pro'&price=￥9999.00"
function getUrlParams4(url){
	// 引入 qs 庫時會默認掛在到全局 window 的 Qs 屬性上
	// console.log(window)
	let urlStr = url.split('?')[1]
	let result = Qs.parse(urlStr)
	// 拼接額外參數
	let otherParams = {
		num:50,
		size:6.1
	}
	let str = Qs.stringify(otherParams)
	let newUrl = url + str
	return {result,newUrl}
}
console.log(getUrlParams4(URL))
</script>