angular - 如何在运行 ng-build 命令时动态更改 index.html 文件中的内容 [英] angular - How to dynamically change the content in the index.html file when running the ng-build command
问题描述
我想在运行 ng build 命令时更改脚本标记的 URL 使用 --prod 选项不使用 --prod 选项.下面是一个例子.
I want to change the URL of a script tag when I'm running the ng build command with the --prod option and without the --prod option. Following is an example.
ng build --prod
<!DOCTYPE html>
<html>
<head>
<title>Home Page</title>
</head>
<body>
<script src="https://my-site.net/prod.js"></script>
</body>
</html>
ng build
<!DOCTYPE html>
<html>
<head>
<title>Home Page</title>
</head>
<body>
<script src="https://my-site.net/dev.js"></script>
</body>
</html>
我怎样才能做到这一点?
How can I achieve this?
推荐答案
对于从 v6.1.0-beta.2 开始的当前版本的 Angular，您可以使用 中的 文件配置，详见本答案:https://stackoverflow.com/a/57274333/228429 来自 @massic80.fileReplacements 值angular.json
For current versions of Angular from v6.1.0-beta.2 on, you can use the fileReplacements value in the angular.json file configurations as detailed in this answer: https://stackoverflow.com/a/57274333/228429 by @massic80.
更多信息:https://github.com/angular/angular-cli/issues/4451#issuecomment-395651237
对于 v6.1.0-beta.2 之前的旧版本，Angular CLI 不提供任何此类功能.但是您可以使用环境变量在运行时动态注入适当的脚本.
For older versions before v6.1.0-beta.2, Angular CLI does not provide any such feature. But you can use environment variables to inject proper scripts dynamically on run time.
例如:
main.ts
import { env } from './environments/environment';
if (env.production) {
const script = document.createElement('script');
script.src = https://my-site.net/prod.js
document.head.appendChild(script);
} else {
const script = document.createElement('script');
script.src = https://my-site.net/dev.js
document.head.appendChild(script);
}
在此处阅读更多信息:https://github.com/angular/angular-cli/issues/4451#issuecomment-285329985
这篇关于angular - 如何在运行 ng-build 命令时动态更改 index.html 文件中的内容的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！
