我正在研究angular2“2.0.0-beta.17” .
我的package.json如下
"dependencies": {
"angular2": "2.0.0-beta.17",
"es6-shim": "^0.35.0",
"reflect-metadata": "0.1.2",
"rxjs": "5.0.0-beta.6",
"zone.js": "0.6.12",
"angular2-jwt":"0.1.15",
"es6-promise": "^3.2.1",
"jwt-decode": "^2.0.1"
},
"devDependencies": {
"angular-cli": "0.0.*",
"autoprefixer": "^6.3.2",
"copy-webpack-plugin": "^1.1.1",
"css-loader": "^0.23.0",
"extract-text-webpack-plugin": "^1.0.1",
"file-loader": "^0.8.4",
"html-loader": "^0.4.0",
"html-webpack-plugin": "^2.8.1",
"istanbul-instrumenter-loader": "^0.1.3",
"jasmine-core": "^2.3.4",
"jasmine-spec-reporter": "^2.4.0",
"json-loader": "^0.5.3",
"karma": "0.13.19",
"karma-chrome-launcher": "^0.2.1",
"karma-coverage": "^0.5.2",
"karma-jasmine": "^0.3.7",
"karma-phantomjs-launcher": "^1.0.0",
"karma-sourcemap-loader": "^0.3.7",
"karma-webpack": "1.7.0",
"node-sass": "^3.4.2",
"null-loader": "git+https://github.com/webpack/null-loader.git",
"phantomjs-prebuilt": "^2.1.4",
"postcss-loader": "^0.8.0",
"protractor": "^3.1.1",
"raw-loader": "0.5.1",
"rimraf": "^2.5.1",
"sass-loader": "^3.1.2",
"style-loader": "^0.13.0",
"ts-loader": "^0.8.1",
"tslint": "^3.4.0",
"tslint-loader": "^2.1.0",
"typedoc": "^0.3.12",
"typescript": "^1.8.0",
"typings": "^0.7.12",
"url-loader": "^0.5.6",
"webpack": "^1.12.13",
"webpack-dev-server": "^1.14.1",
"exports-loader": "^0.6.3",
"expose-loader": "^0.7.1",
"imports-loader": "^0.6.5",
"tsconfig-lint": "^0.7.0"
}
但在构建我的项目后,我得到以下错误:
C:\ Users \ akhilesh.kumar \ Desktop \ ang17 \ node_modules \ angular2-jwt \ angular2-jwt.d.ts(1,61)中的错误:错误TS2307:找不到模块'@ angular / http' . 错误在./~/angular2-jwt/angular2-jwt.js找不到模块:错误:无法在C:\ Users \ akhilesh.kumar \ Desktop \ ang17 \ node_modules \ angular2-jwt @中解析模块'@ angular / core' ./~/angular2-jwt/angular2-jwt.js 11:13-37 ERROR in ./~/angular2-jwt/angular2-jwt.js找不到模块:错误:无法在C中解析模块'@ angular / http' :\ Users \ akhilesh.kumar \ Desktop \ ang17 \ node_modules \ angular2-jwt @ ./~/angular2-jwt/angular2-jwt.js 12:13-37
8 回答
@angular/http
仅适用于Angular2的RC版本 . 之前是angular2/http
.由于angular2-jwt库需要
@angular/http
模块,因此您需要将应用程序升级到Angular2的RC版本 .为此,您可以更新
package.json
文件并执行命令:npm install
:你需要添加angular2-jwt的依赖项:
正如Thierry所说“ @angular/... 支持更高版本的角度然后"^2.0.0-rc.0"
所以我更改了依赖项如下:
并改变了进口如下
有效 .
默认情况下,提供程序包含Http,为了在您的应用程序中使用Http,您需要将HttpModule添加到app.module.ts:
try this:
你的npm可能有问题,尝试安装最新版本的npm .
Linux的:
这是我的角度和节点配置: -
我修好了
运用
在角度7中,我们使用
HttpClient
而不是Http您可以像这样导入它