JavaScript之循环请求数据获取发送AjaxasyncawaitPromisethenrandomtoStringsplitresolvereject

Posted 2022-06-11 web半晨

async function circularRequest() 
	let list = [
		 id: 1, code: "15289682517" ,
		 id: 2, code: "15289682516" ,
		 id: 3, code: "15289682515" ,
	];
	
	for (let i = 0; i < list.length; i++) 
		await getJurisdiction(list[i].code).then((result) => 
			let  code, data  = result;
			if (code === 200) list[i].jurisdiction = data;
		);
	
	
	console.log("list:", list);
	// list: (3) […, …, …]


// 模拟后端返回数据
function getJurisdiction(code) 
	return new Promise((resolve, reject) => 
		let data = 
			code: 200,
			message: "操作成功",
			data: null,
		;
		
		if (code) 
			data.data = Math.random().toString().split(".")[1];
			
			return resolve(data);
		 else 
			data.code = 500;
			data.message = "操作失败";
			
			return reject(data);
		
	);


circularRequest();