angular - 服务错误:预期 0 个参数,但得到 1.ts(2554)
问题描述
ng g s serviceName
在使用我创建新服务时收到错误 Expected 0 arguments, but got 1.
这是我的package.json
{
"name": "rapid",
"version": "1.1.9",
"license": "MIT",
"scripts": {
"ng": "ng",
"start": "ng serve",
"build": "ng build --prod",
"test": "ng test",
"lint": "ng lint",
"e2e": "ng e2e"
},
"private": true,
"dependencies": {
"@angular/animations": "^5.2.0",
"@angular/common": "^5.2.0",
"@angular/compiler": "^5.2.0",
"@angular/core": "^5.2.11",
"@angular/forms": "^5.2.0",
"@angular/http": "^5.2.0",
"@angular/platform-browser": "^5.2.0",
"@angular/platform-browser-dynamic": "^5.2.0",
"@angular/router": "^5.2.0",
"@asymmetrik/ngx-leaflet": "^4.0.0",
"@dvsl/zoomcharts": "^1.18.4",
"@ng-bootstrap/ng-bootstrap": "^4.0.3",
"@types/c3": "^0.6.0",
"@types/mixpanel": "^2.14.1",
"angular-2-dropdown-multiselect": "^1.8.1",
"angular-confirmation-popover": "^4.2.0",
"angular-datatables": "^6.0.0",
"angular2-tag-input": "^1.2.3",
"angular2-toaster": "^6.1.0",
"aws-sdk": "^2.271.1",
"bootstrap": "^3.3.7",
"bootstrap-daterangepicker": "^3.0.3",
"c3": "^0.6.6",
"core-js": "^2.4.1",
"crypto-js": "^3.1.9-1",
"datatables.net": "^1.10.18",
"datatables.net-dt": "^1.10.18",
"file-saver": "^2.0.0",
"jquery": "^3.3.1",
"leaflet": "^1.3.4",
"mixpanel-browser": "^2.28.0",
"moment": "^2.22.2",
"ng-multiselect-dropdown": "^0.1.9",
"ng-recaptcha": "^4.2.1",
"ng2-table": "^1.3.2",
"ng2-tooltip-directive": "^2.1.6",
"ngx-bootstrap": "^3.1.2",
"ngx-cookie-service": "^1.0.10",
"ngx-popover": "0.0.16",
"ngx-tooltip": "0.0.9",
"ngx-webstorage": "^2.0.1",
"popper.js": "^1.14.3",
"rxjs": "^5.5.6",
"tslib": "^1.9.0",
"xlsx": "^0.14.1",
"zone.js": "^0.8.19"
},
"devDependencies": {
"@angular-devkit/build-angular": "^0.12.4",
"@angular/cli": "^7.2.1",
"@angular/compiler-cli": "^5.2.0",
"@angular/language-service": "^5.2.0",
"@types/datatables.net": "^1.10.11",
"@types/jasmine": "~2.8.3",
"@types/jasminewd2": "~2.0.2",
"@types/jquery": "^3.3.4",
"@types/node": "~6.0.60",
"codelyzer": "^4.0.1",
"jasmine-core": "~2.8.0",
"jasmine-spec-reporter": "~4.2.1",
"karma": "^3.0.0",
"karma-chrome-launcher": "~2.2.0",
"karma-coverage-istanbul-reporter": "^1.2.1",
"karma-jasmine": "~1.1.0",
"karma-jasmine-html-reporter": "^0.2.2",
"protractor": "^5.4.0",
"ts-node": "~4.1.0",
"tslint": "~5.9.1",
"typescript": "~2.5.3"
}
}
通过从@Injectable 中取出providedIn 参数,服务的工作方式相同,或者我需要修改我的代码来解决这个错误我通过ng gs serviceName 创建服务来生成service.ts 文件
解决方案
我们可以删除@Injectable() 参数,如下所示一切正常
@Injectable()
export class MixpanelService {
constructor() { }
}
推荐阅读
- javascript - JavaScript 检查字母是否包含在字符串中
- bash - 如何使用 bash 为每个循环获取唯一的输出文件
- c# - 如何根据验证通过按钮命令将焦点设置在 DecimalUpDown
- spring-boot - 使用 Apache CXF Multipart 请求的 Spring Boot 总是以 400 失败
- ios - 如何比较两个时间字符串检查string2是否更快,然后是swift中的第一个字符串
- python - 在python中将缺失数据处理为时间序列中最后5个观察值的移动平均值
- azure - 应用程序洞察仪表板饼图未按预期工作
- python - 如何通过在python中删除黑色像素即[0,0,0]从图像的3D数组中获取2D数组
- python - 如何在 Python Tkinter 中触发带有代码的复选框?
- python - 如何使用 Selenium 单击文本链接(外语)?(当anchorstyle中的类)