Chore: fix CI (#21461)

* Create preview-build.yml

* Chore: fix ci

.github/workflows/preview-build.yml

+name: Preview Build
+
+on: pull_request
+
+jobs:
+  build:
+    name: Build
+    runs-on: ubuntu-latest
+    env:
+      PULL_REQUEST_NUMBER: ${{ github.event.number }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Setup node
+        uses: actions/setup-node@v2
+        with:
+          node-version: '10.15.0'
+          registry-url: https://registry.npmjs.com/
+
+      - name: Build
+        run: npm run bootstrap && npm run deploy:build
+        
+
+      # share website dist
+      - name: Upload artifact
+        uses: actions/upload-artifact@v2
+        with:
+          name: docs
+          path: examples/element-ui/
+          retention-days: 1
+
+      # write pr.txt for share
+      - name: Save pr number
+        if: ${{ always() }}
+        run: echo ${PULL_REQUEST_NUMBER} > ./pr.txt
+
+      # share pr number
+      - name: Upload pr number
+        if: ${{ always() }}
+        uses: actions/upload-artifact@v2
+        with:
+          name: pr
+          path: ./pr.txt
+          retention-days: 1

.github/workflows/preview-deploy.yml

+name: Preview Deploy
+
+on:
+  workflow_run:
+    workflows: ['Preview Build']
+    types:
+      - completed
+
+jobs:
+  success:
+    runs-on: ubuntu-latest
+    if: github.event.workflow_run.event == 'pull_request' && github.event.workflow_run.conclusion == 'success'
+    steps:
+      - name: download pr artifact
+        uses: dawidd6/action-download-artifact@v2
+        with:
+          workflow: ${{ github.event.workflow_run.workflow_id }}
+          name: pr
+
+      - name: save PR id
+        id: pr
+        run: echo "::set-output name=id::$(<pr.txt)"
+
+      - name: download docs artifact
+        uses: dawidd6/action-download-artifact@v2
+        with:
+          workflow: ${{ github.event.workflow_run.workflow_id }}
+          workflow_conclusion: success
+          name: docs
+
+      - name: upload surge service
+        id: deploy
+        run: |
+          export DEPLOY_DOMAIN=https://preview-pr-${{ steps.pr.outputs.id }}-element-ui.surge.sh
+          npx surge --project ./ --domain $DEPLOY_DOMAIN --token ${{ secrets.SURGE_TOKEN }}
+
+      - name: update status comment
+        uses: actions-cool/maintain-one-comment@v1.2.1
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          body: |
+            🎊 PR Preview has been successfully built and deployed to https://preview-pr-${{ steps.pr.outputs.id }}-element-ui.surge.sh
+            <img width="300" src="https://user-images.githubusercontent.com/507615/90250366-88233900-de6e-11ea-95a5-84f0762ffd39.png">
+            <!-- Sticky Pull Request Comment -->
+          body-include: '<!-- Sticky Pull Request Comment -->'
+          number: ${{ steps.pr.outputs.id }}
+
+      - name: The job failed
+        if: ${{ failure() }}
+        uses: actions-cool/maintain-one-comment@v1.2.1
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          body: |
+            😭 Deploy PR Preview failed.
+            <img width="300" src="https://user-images.githubusercontent.com/507615/90250824-4e066700-de6f-11ea-8230-600ecc3d6a6b.png">
+            <!-- Sticky Pull Request Comment -->
+          body-include: '<!-- Sticky Pull Request Comment -->'
+          number: ${{ steps.pr.outputs.id }}
+
+  failed:
+    runs-on: ubuntu-latest
+    if: github.event.workflow_run.event == 'pull_request' && github.event.workflow_run.conclusion == 'failure'
+    steps:
+      - name: download pr artifact
+        uses: dawidd6/action-download-artifact@v2
+        with:
+          workflow: ${{ github.event.workflow_run.workflow_id }}
+          name: pr
+
+      - name: save PR id
+        id: pr
+        run: echo "::set-output name=id::$(<pr.txt)"
+
+      - name: The job failed
+        uses: actions-cool/maintain-one-comment@v1.2.1
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          body: |
+            😭 Deploy PR Preview failed.
+            <img width="300" src="https://user-images.githubusercontent.com/507615/90250824-4e066700-de6f-11ea-8230-600ecc3d6a6b.png">
+            <!-- Sticky Pull Request Comment -->
+          body-include: '<!-- Sticky Pull Request Comment -->'
+          number: ${{ steps.pr.outputs.id }}
\ No newline at end of file

.github/workflows/preview.yml

-name: Website Preview
-
-on: pull_request
-
-jobs:
-  preview:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v2
-      
-      - uses: actions/setup-node@v2
-        with:
-          node-version: '10.15.0'
-          registry-url: https://registry.npmjs.com/
-          
-      - uses: afc163/surge-preview@v1
-        id: preview_step
-        with:
-          surge_token: ${{ secrets.SURGE_TOKEN }}
-          github_token: ${{ secrets.GITHUB_TOKEN }}
-          dist: examples/element-ui/
-          build: |
-            npm run bootstrap
-            npm run deploy:build
-            
-      - name: Get the preview_url
-        run: echo "url => ${{ steps.preview_step.outputs.preview_url }}"