angular – 没有导出成员’MdCardModule’和’MdTooltipModule’

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当我运行构建它显示一些错误

ERROR in C:/761/search-
bar/workload_management_app/Client/src/app/app.module.ts (8,9):
Module ‘”C:/761/search-
bar/workload_management_app/Client/node_modules/@angular/materia
l/material”‘ has no exported member ‘MdCardModule’.

ERROR in C:/761/search-
bar/workload_management_app/Client/src/app/app.module.ts (8,23):
Module ‘”C:/761/search-
bar/workload_management_app/Client/node_modules/@angular/material/material”‘
has no exported member ‘MdTooltipModule’.

ERROR in MdCardModule is not an NgModule

ERROR in C:/761/search-
bar/workload_management_app/Client/src/app/app.module.ts (8,9): Module
‘”C:/761/search-
bar/workload_management_app/Client/node_modules/@angular/material/materia
l”‘ has no exported member ‘MdCardModule’.

ERROR in C:/761/search-
bar/workload_management_app/Client/src/app/app.module.ts (8,23): Module
‘”C:/761/search-
bar/workload_management_app/Client/node_modules/@angular/material/materi
al”‘ has no exported member ‘MdTooltipModule’.

的package.json

"version": "0.0.0",...
  "private": true,"dependencies": {
    "@angular/animations": "^4.2.4","@angular/cdk": "^2.0.0-beta.11","@angular/common": "^4.2.4","@angular/compiler": "^4.2.4","@angular/core": "^4.2.4","@angular/forms": "^4.2.4","@angular/http": "^4.2.4","@angular/material": "github:angular/material2-builds","@angular/platform-browser": "^4.2.4","@angular/platform-browser-dynamic": "^4.2.4","@angular/router": "^4.2.4","@ng-bootstrap/ng-bootstrap": "^1.0.0-beta.2","angular-numeric-directive": "^1.0.0","angular2-busy": "^2.0.4","bootstrap": "^4.0.0-beta","core-js": "^2.4.1","jquery": "^3.2.1","ng2-drag-drop": "^2.6.0","ng2-dragula": "^1.5.0","ngx-bootstrap": "^1.9.3","popper.js": "^1.12.5","rxjs": "^5.4.2","zone.js": "^0.8.14"

我怎么能解决这个问题,任何人都可以帮助我吗?

PS: I tried to run npm install --save @angular/material before,but it didn’t work.

解决方法

原因是因为您使用的是MdCardModule,但自 material 2.0.0-beta.11以来它应该是MatCardModule.将Md更改为Mat以用于所有导入的模块.这是相当令人困惑的,因为它几乎在3周前被更改,但即使 the official get started documentation仍然使用不再有效的Md风格.

从beta.11更改日志:

For beta.11,we’ve made the decision to deprecate the “md” prefix completely and use “mat” moving forward. This affects all class names,properties,inputs,outputs,and selectors (CSS classes were changed back in February). The “md” prefixes will be removed in the next beta release.

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