错误找不到模块'@angular/material答案

【问题标题】：Error Cannot find module '@angular/material错误找不到模块'@angular/material
【发布时间】：2018-07-11 20:29:57
【问题描述】：

错误

找不到模块'@angular/material

app.module.ts

import { MaterialModule } from '@angular/material';

链接：https://material.angular.io/guide/getting-started

 npm install --save @angular/material @angular/cdk

我尝试过的解决方案

npm 更新

它不起作用。

ng --version

@angular/cli: 1.2.1
node: 8.3.0
os: win32 x64
@angular/animation: 4.0.0-beta.8
@angular/animations: error
@angular/cdk: error
@angular/common: 4.3.2
@angular/compiler: 4.3.2
@angular/core: 4.3.2
@angular/forms: 4.3.2
@angular/http: 4.3.2
@angular/material: error
@angular/platform-browser: 4.3.2
@angular/platform-browser-dynamic: 4.3.2
@angular/router: 4.3.2
@angular/cli: 1.2.1
@angular/compiler-cli: 4.4.3
@angular/language-service: 4.3.2

在运行 npm 命令材料模块停止工作后，任何人都可以建议我。

我已经做了工作演示https://github.com/afeef1915/Angular2-Symfony3-Demo

所有代码都运行良好。

欢迎提出任何建议。

安装材料时出错

    D:\Angular2-Symfony3-Demo-master>npm install --save @angular/material @angular/cdk
    npm WARN @angular/animation@4.0.0-beta.8 requires a peer of @angular/core@4.0.0-beta.8 but none is installed. You must install peer dependencies yourself.
    npm WARN @angular/cdk@2.0.0-beta.12 requires a peer of @angular/core@~4.4.4 but none is installed. You must install peer dependencies yourself.
    npm WARN @angular/cdk@2.0.0-beta.12 requires a peer of @angular/common@~4.4.4 but none is installed. You must install peer dependencies yourself.
    npm WARN @angular/compiler-cli@4.4.3 requires a peer of @angular/compiler@4.4.3 but none is installed. You must install peer dependencies yourself.
    npm WARN @angular/compiler-cli@4.4.3 requires a peer of @angular/core@4.4.3 but none is installed. You must install peer dependencies yourself.
    npm WARN @angular/material@2.0.0-beta.12 requires a peer of @angular/core@~4.4.4 but none is installed. You must install peer dependencies yourself.
    npm WARN @angular/material@2.0.0-beta.12 requires a peer of @angular/common@~4.4.4 but none is installed. You must install peer dependencies yourself.

    npm ERR! path D:\Angular2-Symfony3-Demo-master\node_modules\@angular\cdk
    npm ERR! code ENOENT
    npm ERR! errno -4058
    npm ERR! syscall rename
    npm ERR! enoent ENOENT: no such file or directory, rename 'D:\Angular2-Symfony3-Demo-master\node_modules\@angular\cdk' -> 'D:\Angular2-Symfony3-Demo-master\node_modules\@angular\.cdk.DELETE'
    npm ERR! enoent This is related to npm not being able to find a file.
    npm ERR! enoent

    npm ERR! A complete log of this run can be found in:
    npm ERR!     C:\Users\mohd\AppData\Roaming\npm-cache\_logs\2018-02-01T13_42_49_724Z-debug.log

包.json

                    {
                "name": "angular2-bug-testing",
                "version": "0.0.0",
                "license": "MIT",
                "scripts": {
                "ng": "ng",
                "start": "ng serve",
                "build": "ng build",
                "test": "ng test",
                "lint": "ng lint",
                "e2e": "ng e2e"
                },
                "private": true,
                "dependencies": {
                "@angular/animation": "^4.0.0-beta.8",
                "@angular/animations": "^4.3.3",
                "@angular/cdk": "^2.0.0-beta.12",
                "@angular/common": "^4.0.0",
                "@angular/compiler": "^4.0.0",
                "@angular/core": "^4.3.6",
                "@angular/forms": "^4.0.0",
                "@angular/http": "^4.0.0",
                "@angular/material": "^2.0.0-beta.8",
                "@angular/platform-browser": "^4.0.0",
                "@angular/platform-browser-dynamic": "^4.0.0",
                "@angular/router": "^4.0.0",
                "angular-datatables": "^4.2.0",
                "angular-in-memory-web-api": "^0.3.2",
                "core-js": "^2.4.1",
                "datatables.net": "^1.10.15",
                "datatables.net-buttons-dt": "^1.3.1",
                "datatables.net-dt": "^1.10.15",
                "hammerjs": "^2.0.8",
                "jquery": "^3.2.1",
                "json-server": "^0.12.0",
                "rxjs": "^5.1.0",
                "zone.js": "^0.8.4"
                },
                "devDependencies": {
                "@angular/cli": "1.2.1",
                "@angular/compiler-cli": "^4.4.3",
                "@angular/language-service": "^4.0.0",
                "@types/datatables.net": "^1.10.5",
                "@types/jasmine": "~2.5.53",
                "@types/jasminewd2": "~2.0.2",
                "@types/jquery": "^3.2.11",
                "@types/node": "~6.0.60",
                "codelyzer": "~3.0.1",
                "jasmine-core": "~2.6.2",
                "jasmine-spec-reporter": "~4.1.0",
                "karma": "~1.7.0",
                "karma-chrome-launcher": "~2.1.1",
                "karma-cli": "~1.0.1",
                "karma-coverage-istanbul-reporter": "^1.2.1",
                "karma-jasmine": "~1.1.0",
                "karma-jasmine-html-reporter": "^0.2.2",
                "protractor": "~5.1.2",
                "ts-node": "~3.0.4",
                "tslint": "~5.3.2",
                "typescript": "~2.3.3"
                }
                }

【问题讨论】：

好像没有安装材料模块。当您点击 npm install 命令时，您是否在控制台中遇到任何错误？
你可以看到 github 代码在我运行 npm cmd 后立即运行，然后出现错误
尝试通过“npm uinstall --save @angular/material”卸载并再次安装“npm install --save @angular/material”
安装材料时出现更新错误
我已经克隆了你的 repo 并成功安装了所有 npm。我正在使用 npm 5.4.2。尝试更新您的 npm 并在新位置点击 npm install。

标签： angular npm node-modules

【解决方案1】：

查看错误，您会看到某些包需要 angular v.4.4.4。所以我建议你将所有 @angular-packages 更新到 v.4.4.4。

按照以下步骤操作：

1.) 移除 node_modules

2.) npm cache clean

3.) 打开 packages.json 并将所有 @angular-packages 的版本设置为 "^4.4.4"

4.) npm install

【讨论】：

我已经用 cmd 更新了>npm update -D && npm update -S

【解决方案2】：

这里是材料2的changelog：

它说：Angular Material 现在需要 Angular 4.4.3 或更高版本，因为 2.beta-11

如果你想要最新版本的材料，你必须升级到 Angular 5+

如果您想坚持使用 4.3.2 版本，您可以安装的最后一个版本是 2.0.0-beta10（我不建议这样做）

【讨论】：