Node.js &引用;“拒绝连接”;Angular 4本地主机开发

Node.js &引用;“拒绝连接”;Angular 4本地主机开发,node.js,angular,mean-stack,Node.js,Angular,Mean Stack,我在本地运行Angular 4应用程序时收到“连接被拒绝”页面 URL是http://localhost:4200/ 使用ng serve--open命令运行应用程序 更新1:angular.json 对于一些源代码,我发现angular cli文件现在更改为 angular.json 下面是来自agnular.json "$schema": "./node_modules/@angular/cli/lib/config/schema.json", "version": 1, "newProje

我在本地运行Angular 4应用程序时收到“连接被拒绝”页面

URL是
http://localhost:4200/

使用
ng serve--open
命令运行应用程序

更新1:angular.json

对于一些源代码,我发现angular cli文件现在更改为
angular.json

下面是来自
agnular.json

"$schema": "./node_modules/@angular/cli/lib/config/schema.json",
"version": 1,
"newProjectRoot": "projects",
"projects": {
  "angular-forms": {
    "root": "",
    "sourceRoot": "src",
    "projectType": "application",
    "architect": {
      "build": {
        "builder": "@angular-devkit/build-angular:browser",
        "options": {
          "outputPath": "dist",
          "index": "src/index.html",
          "main": "src/main.ts",
          "tsConfig": "src/tsconfig.app.json",
          "polyfills": "src/polyfills.ts",
          "assets": [
            "src/assets",
            "src/favicon.ico"
          ],
          "styles": [
            "src/styles.css"
          ],
          "scripts": []
        },
        "configurations": {
          "production": {
            "optimization": true,
            "outputHashing": "all",
            "sourceMap": false,
            "extractCss": true,
            "namedChunks": false,
            "aot": true,
            "extractLicenses": true,
            "vendorChunk": false,
            "buildOptimizer": true,
            "fileReplacements": [
              {
                "replace": "src/environments/environment.ts",
                "with": "src/environments/environment.prod.ts"
              }
          ]
        }
      }
    },
    "serve": {
      "builder": "@angular-devkit/build-angular:dev-server",
      "options": {
        "browserTarget": "angular-forms:build"
      },
      "configurations": {
        "production": {
          "browserTarget": "angular-forms:build:production"
        }
      }
    },
    "extract-i18n": {
      "builder": "@angular-devkit/build-angular:extract-i18n",
      "options": {
        "browserTarget": "angular-forms:build"
      }
    },
    "test": {
      "builder": "@angular-devkit/build-angular:karma",
      "options": {
        "main": "src/test.ts",
        "karmaConfig": "./karma.conf.js",
        "polyfills": "src/polyfills.ts",
        "tsConfig": "src/tsconfig.spec.json",
        "scripts": [],
        "styles": [
          "src/styles.css"
        ],
        "assets": [
          "src/assets",
          "src/favicon.ico"
        ]
      }
    },
    "lint": {
      "builder": "@angular-devkit/build-angular:tslint",
      "options": {
        "tsConfig": [
          "src/tsconfig.app.json",
          "src/tsconfig.spec.json"
        ],
        "exclude": [
          "**/node_modules/**"
        ]
      }
    }
  }
},
"angular-forms-e2e": {
  "root": "",
  "sourceRoot": "",
  "projectType": "application",
  "architect": {
    "e2e": {
      "builder": "@angular-devkit/build-angular:protractor",
      "options": {
        "protractorConfig": "./protractor.conf.js",
        "devServerTarget": "angular-forms:serve"
      }
    },
    "lint": {
      "builder": "@angular-devkit/build-angular:tslint",
      "options": {
        "tsConfig": [
          "e2e/tsconfig.e2e.json"
        ],
        "exclude": [
          "**/node_modules/**"
        ]
      }
    }
  }
}
},
"defaultProject": "angular-forms",
"schematics": {
"@schematics/angular:component": {
  "prefix": "app",
  "styleext": "css"
},
"@schematics/angular:directive": {
  "prefix": "app"
}
}
}
如果需要更多细节,请告诉我

附加屏幕截图以了解更多详细信息


不要使用
localhost
尝试使用您的
IP
访问您的应用程序,如下所示:

(假设您正在使用Windows)在命令行中,键入=>ipconfig并复制它返回的ip地址

例如,如果IP地址为192.168.0.10,则您可以访问您的应用程序(在发出
ng server
后),如下所示:


希望这有帮助

我已经找到了解决这个问题的方法,而且非常简单。当@Devid询问mi有关公司代理的问题时,我已经开始朝这个方向搜索解决方案。最后我发现我的局域网代理设置有一个小错误

在配置代理服务器时,我忘记启用“绕过本地地址的代理服务器”选项,这导致上面的错误

下面是更多详细信息的屏幕截图


转到命令行并运行
ng serve--port 4200


希望这有帮助。

感谢您的快速回复!我刚刚尝试了建议的方法,但仍然得到相同的错误:(你能试试,
ng serve--port 5200
看看你是否能访问你的应用程序吗?我的公司代理对本地地址有一些规则可以绕过,其中包括:192.168.*这就是为什么这个解决方案对meCan有效。你可以显示你的
.angular cli.json
文件吗?你是在一个可能会阻止自定义端口的公司代理后面吗?是的,我正在工作正在代理后面运行,但我不确定自定义端口是否被阻止
http://192.168.0.10:4200