因为 vue2.0 致使其余相关编译打包工具没更新致使
解决办法: 请运行如下命令vue
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npm update -g
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报错node
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Error: Cannot find module
'opn'
Error: Cannot find module
'webpack-dev-middleware'
Error: Cannot find module
'express'
Error: Cannot find module
'compression'
Error: Cannot find module
'sockjs'
Error: Cannot find module
'spdy'
Error: Cannot find module
'http-proxy-middleware'
Error: Cannot find module
'serve-index'
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若是你用的是老版本的 vue-cli 还可能报其余错误，须要更新一下 vue-cliwebpack
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npm update vue-cli
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安装一下这个依赖到工程开发环境web
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cnpm install opn --save-dev
cnpm install webpack-dev-middleware --save-dev
cnpm install express --save-dev
cnpm install compression --save-dev
cnpm install sockjs --save-dev
cnpm install spdy --save-dev
cnpm install http-proxy-middleware --save-dev
cnpm install serve-index --save-dev
cnpm install connect-history-api-fallback --save-dev
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再启动项目，报错vue-cli
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ERROR
in
./src/main.js
Module build failed: Error: Cannot find module
'babel-runtime/helpers/typeof'
at Function.Module._resolveFilename (module.js:440:15)
at Function.Module._load (module.js:388:25)
at Module.require (module.js:468:17)
at require (
internal
/module.js:20:19)
at Object.<anonymous> (/Volumes/MacStorage/Coding/Web/vue-test/node_modules/.6.17.0@babel-core/lib/transformation/file/index.js:6:16)
at Module._compile (module.js:541:32)
at Object.Module._extensions..js (module.js:550:10)
at Module.load (module.js:458:32)
at tryModuleLoad (module.js:417:12)
at Function.Module._load (module.js:409:3)
@ multi main
ERROR
in
./~/.2.1.0-beta.8@webpack-dev-server/client/socket.js
Module not found: Error: Can
't resolve '
sockjs-client
' in '
/Volumes/MacStorage/Coding/Web/vue-test/node_modules/.2.1.0-beta.8@webpack-dev-server/client'
@ ./~/.2.1.0-beta.8@webpack-dev-server/client/socket.js 1:13-37
@ ./~/.2.1.0-beta.8@webpack-dev-server/client?http:
//localhost:8080
@ multi main
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安装一下 babel-runtimeexpress
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cnpm install babel-helpers --save-dev
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启动项目，再次报错npm
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Module build failed: Error: Cannot find module
'babel-helpers'
Module build failed: Error: Cannot find module
'babel-traverse'
Module build failed: Error: Cannot find module
'json5'
Module build failed: Error: Cannot find module
'babel-generator'
Module build failed: Error: Cannot find module
'detect-indent'
Module build failed: Error: Cannot find module
'jsesc'
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找不到依赖那就再安装一下json
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cnpm install babel-helpers --save-dev
cnpm install babel-traverse --save-dev
cnpm install json5 --save-dev
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遇到api
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Module build failed: Error: Cannot find module
'模块名'
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那就安装
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cnpm install 模块名 --save-dev(关于环境的，表现为npm run dev 启动不了)
cnpm install 模块名 --save(关于项目的，好比main.js，表现为npm run dev 成功以后控制台报错)
好比escape-
string
-regexp、strip-ansi、has-ansi、
is
-finite、emojis-list
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写示例时注意：
1、一个组件下只能有一个并列的 div，能够这么写，因此复制官网示例的时候只要复制 div 里面的内容就好。
2、数据要写在 return 里面而不是像文档那样子写