函数返回promise而不是value是一种在异步编程中常见的模式。Promise是一种表示异步操作最终完成或失败的对象。它可以用于处理需要等待的操作,例如网络请求、数据库查询、文件读写等。 函数返...
要返回axios get请求的结果值而不是[object Promise],需要使用async/await或者Promise的then/catch方法来处理异步操作。 使用async/await方法...
deployed()将合约部署到eth网络。矿工需要时间来验证并将合同代码添加到区块链中。成功完成此过程后,将...
headers){// 将GET请求的参数放在请求体中if(headers['Content-Type']==='application/x-www-form-urlencoded'){returnObject.keys(data).map(key=>encodeURIComponent(key)+'='+encodeURIComponent(data[key])).join('&');}returndata;}]});instance.get('{params:{key1:'value1',key2:'value2'},...
OR, you may simply return $http.post which itself returns a promise app.factory('customLoader', function($http, $q, SERVER_URL) { return function(options) { return $http.post(SERVER_URL + 'getLocaleData'); }; }); In either way, you are returning a promise object and not just the...
push(add(fn)); } await Promise.all(results); }; OK ... firstly, it's not pretty, but it seems to work - however, this assumes asyncFns is an Array - probably simple to "fix" for an Object using Object.values const asyncLoop = (asyncFns, concurrent = 5) => { let inFlight...
{object} obj - 要序列化的对象* @returns {string} - 序列化后的字符串*/serializeObject(obj){constkeys=Object.keys(obj).sort()constserializedObj={}for(letkeyofkeys){constvalue=obj[key]if(value!==null&&typeofvalue==='object'){serializedObj[key]=this.serializeObject(value)}else{serializedObj[...
},error=>{this.destroy(url)returnPromise.reject(error) }) }request(options) {constinstance = axios.create()if(!options['method']) {//没有method的请求为get,判断为get请求if(!options['params']) {//如果这个请求本身不带参数Object.assign(options, {//给options这个对象添加一个params的参数,属性...
5、Vue.js前台报Uncaught (in promise) cancel错误解决办法 this.$confirm方法内置promise方法,所以不能把.catch()去掉(因为取消操作时,无法捕获) 解决办法: 在this.$confirm方法后加上.catch方法即可,注意要写上空方法体,我第一次没写没去掉 del:function(pageId){this.$confirm('您确认删除吗?','提示',{}...
to move further and further to the right of the page. Although this issue can be addressed by using named functions rather than anonymous functions, many developers appreciate the benefits offered bypromises. APromiseobject represents an operation that is not completed yet, but is expected to comp...