编辑文章

描述:

封面图上传：

点击上传图片

Angular8 在使用服务端渲染，启动项目时报错，__metadata("design:paramtypes", [Event]),ReferenceError: Event is not defined 启动命令npm run serve:ssr
```
> blog-web@0.0.0 serve:ssr G:\boboJavaProjects\boboJavaBlog\blogWeb
> node dist/server

G:\boboJavaProjects\boboJavaBlog\blogWeb\dist\server\main.js:73880
            __metadata("design:paramtypes", [Event]),
                                             ^

ReferenceError: Event is not defined
    at G:\boboJavaProjects\boboJavaBlog\blogWeb\dist\server\main.js:73880:46
    at G:\boboJavaProjects\boboJavaBlog\blogWeb\dist\server\main.js:73884:6
    at LUXU (G:\boboJavaProjects\boboJavaBlog\blogWeb\dist\server\main.js:73424:13)
    at Object.LUXU (G:\boboJavaProjects\boboJavaBlog\blogWeb\dist\server\main.js:73426:2)
    at __webpack_require__ (G:\boboJavaProjects\boboJavaBlog\blogWeb\dist\server\main.js:20:30)
    at Module.K011 (G:\boboJavaProjects\boboJavaBlog\blogWeb\dist\server\main.js:72456:31)
    at __webpack_require__ (G:\boboJavaProjects\boboJavaBlog\blogWeb\dist\server\main.js:20:30)
    at Object.0 (G:\boboJavaProjects\boboJavaBlog\blogWeb\dist\server\main.js:885:18)
    at __webpack_require__ (G:\boboJavaProjects\boboJavaBlog\blogWeb\dist\server\main.js:20:30)
    at G:\boboJavaProjects\boboJavaBlog\blogWeb\dist\server\main.js:84:18
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! blog-web@0.0.0 serve:ssr: `node dist/server`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the blog-web@0.0.0 serve:ssr script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

npm ERR! A complete log of this run can be found in:
npm ERR!     G:\Software\nodejs\node_cache\_logs\2019-10-17T12_16_43_536Z-debug.log
```
### 解决办法
server.ts里面添加如下代码
```
global['Event'] = null;
```
### 参考
- [https://ng.ant.design 服务端渲染](https://ng.ant.design/docs/universal/zh)
- [Event is not defined #844](https://github.com/angular/universal/issues/844)