一.resolve 当a>0时,正常情况依次输出A.B.C console.log("A"); let result = await this.test(); console.log("C:",result); private test(){ return new Promise((resolve,reject)=>{ console.log("B"); let a = 3; if(a > 0){ resolve(a); }el
1. 使用nvm安装node之后,直接运行node命令会报错 node: command not found 需要使用nvm ls 查询一下当前使用的安装的node版本,然后使用node use 版本号 ,在运行node -v 就可以了 2. 但是当重新连接服务器后,运行node又会报错 node: command not found 这时候我们需要手动配置一下 查询node路径:whereis node(先nvm use 一下,不然会查不到路径) ln -s node路径 /usr/loca
1.报错关键代码如下: Exception in thread "main" 2019-04-28 03:53:04,339 main ERROR No log4j2 configuration file found. SettingsException[Failed to load settings from [elasticsearch.yml]]; nested: ParsingException[Failed to parse object: expecting token o
Postman中的报错: Could not get any response 错误 Could not get any response There was an error connecting to http://127.0.0.1:8888/api/private/v1/login. Why this might have happened: The server couldn't send a response: Ensure that the backend is working p
编译PHP 报错:node.c: In function dom_canonicalization /opt/php-5.2.17/ext/dom/node.c:1953: error: dereferencing pointer to incomplete type 是libxml导致的问题,可以下载补丁patch一下. # curl -o php-5.x.x.patch https://mail.gnome.org/archives/xml/2012-August/txtbgxGXAvz4
初学node.js,跟着node入门,操作了一遍.在最后一步,上传图片并显示时遇到报错 fs.js: throw err; ^ Error: ENOENT: no such file or directory, rename 'C:\Users\catcher\AppData\Local\Temp\upload_16f7bede547980c767e1e031a3720f67' -> '/tmp/test.png' at Object.renameSync (fs.js::) at C:\Ide
报错如下 Module build failed: Error: The node API for `babel` has been moved to `babel-core`. 在我配置loader 的时候出现如上问题 配置文件部分如下 { test: /\.js/, loader: "babel", } 解决方法: 改为 babel-loader 并安装babel-loader { test: /\.js/, loader: "babel-loader", }