我尝试传递的变量在构建时可用，所以我可以做的事情如下：
.github/工作流/.yaml文件

name: Deploy Next.js site to Pages

on:
  # Runs on pushes targeting the default branch
  push:
    branches: ["master"]

  workflow_dispatch:

permissions:
  contents: read
  pages: write
  id-token: write

concurrency:
  group: "pages"
  cancel-in-progress: true
env:
  DEPLOY_ENV: PROD
jobs:
  # Build job
  build:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v3
      - name: Detect package manager
        id: detect-package-manager
        run: |
          echo "BRANCH: $GITHUB_REF_NAME"
          if [ -f "${{ github.workspace }}/yarn.lock" ]; then
            echo "::set-output name=manager::yarn"
            echo "::set-output name=command::install"
            echo "::set-output name=runner::yarn"
            exit 0
          elif [ -f "${{ github.workspace }}/package.json" ]; then
            echo "::set-output name=manager::npm"
            echo "::set-output name=command::ci"
            echo "::set-output name=runner::npx --no-install"
            exit 0
          else
            echo "Unable to determine packager manager"
            exit 1
          fi
      - name: Setup Node
        uses: actions/setup-node@v3
        with:
          node-version: "16"
          cache: ${{ steps.detect-package-manager.outputs.manager }}
      - name: Setup Pages
        uses: actions/configure-pages@v2
        with:
          # Automatically inject basePath in your Next.js configuration file and disable
          # server side image optimization (https://nextjs.org/docs/api-reference/next/image#unoptimized).
          #
          # You may remove this line if you want to manage the configuration yourself.
          static_site_generator: next
      - name: Restore cache
        uses: actions/cache@v3
        with:
          path: |
            .next/cache
          # Generate a new cache whenever packages or source files change.
          key: ${{ runner.os }}-nextjs-${{ hashFiles('**/package-lock.json', '**/yarn.lock') }}-${{ hashFiles('**.[jt]s', '**.[jt]sx') }}
          # If source files changed but packages didn't, rebuild from a prior cache.
          restore-keys: |
            ${{ runner.os }}-nextjs-${{ hashFiles('**/package-lock.json', '**/yarn.lock') }}-
      - name: Install dependencies
        run: ${{ steps.detect-package-manager.outputs.manager }} ${{ steps.detect-package-manager.outputs.command }}
      - name: Build with Next.js
        run: ${{ steps.detect-package-manager.outputs.runner }} next build
      - name: Static HTML export with Next.js
        run: ${{ steps.detect-package-manager.outputs.runner }} next export
      - name: Upload artifact
        uses: actions/upload-pages-artifact@v1
        with:
          path: ./out

  # Deployment job
  deploy:
    environment:
      name: github-pages
      url: ${{ steps.deployment.outputs.page_url }}
    runs-on: ubuntu-latest
    needs: build
    steps:
      - name: Deploy to GitHub Pages
        id: deployment
        uses: actions/deploy-pages@v1

然后在下一页中我可以这样做：

import React from 'react';
export const getStaticProps = () => {
  return {
    props: {
      deployEnv: process.env.DEPLOY_ENV
    }
  }
}
export default function Home({ deployEnv }: {deployEnv: string}) {
  return (
    <div>{deployEnv}</div>
  )
}