node.js – 安装后找不到异步

今天,我奇怪的是,在我在全球安装异步之后,nodejs报告它找不到该模块.以下是工作流程

>安装异步

npm install -g异步
确保异步存在

npm列表-g异步

得到这个输出：

/usr/local/lib
├── async@0.2.9
└─┬ npm@1.3.21
  └─┬ request@2.30.0
    └─┬ form-data@0.1.2
      └── async@0.2.9 

3.尝试使用它.

I create a simple js file which only contains one statement:
var async=require('async');
then execute the file via node,I get exception:

Error: CAnnot find module 'async'
    at Function.Module._resolveFilename (module.js:338:15)
    at Function.Module._load (module.js:280:25)
    at Module.require (module.js:364:17)
    at require (module.js:380:17)
    at Object. (/lxzhu/nodejs/asynctest/test.js:1:73)
    at Module._compile (module.js:456:26)
    at Object.Module._extensions..js (module.js:474:10)
    at Module.load (module.js:356:32)
    at Function.Module._load (module.js:312:12)
    at Function.Module.runMain (module.js:497:10)