摘要: new Promise((resolve, reject) => { setTimeout(() => {//什麼情況下執行,比方說接口請求成功 resolve({name:'san'}); }, 500);}).then(val => {//成功回調 console.log(val.name);/ 阅读全文
posted @ 2017-12-26 18:12 树叶———— 阅读(117) 评论(0) 推荐(0) 编辑