feat: ppt-generate

README.md

@@ -170,6 +170,8 @@
 
 [服务器 cpu、内存、磁盘、ip 等信息](./server-status/)
 
+[动态生成 PPT](./ppt-generate/)
+
 [graphql 快速入门](./grqphql-crud-demo)
 
 [Nest + GraphQL 做 CRUD](./nest-graphql/)

ppt-generate/.eslintrc.js

@@ -0,0 +1,25 @@
+module.exports = {
+  parser: '@typescript-eslint/parser',
+  parserOptions: {
+    project: 'tsconfig.json',
+    tsconfigRootDir: __dirname,
+    sourceType: 'module',
+  },
+  plugins: ['@typescript-eslint/eslint-plugin'],
+  extends: [
+    'plugin:@typescript-eslint/recommended',
+    'plugin:prettier/recommended',
+  ],
+  root: true,
+  env: {
+    node: true,
+    jest: true,
+  },
+  ignorePatterns: ['.eslintrc.js'],
+  rules: {
+    '@typescript-eslint/interface-name-prefix': 'off',
+    '@typescript-eslint/explicit-function-return-type': 'off',
+    '@typescript-eslint/explicit-module-boundary-types': 'off',
+    '@typescript-eslint/no-explicit-any': 'off',
+  },
+};

ppt-generate/.gitignore

@@ -0,0 +1,56 @@
+# compiled output
+/dist
+/node_modules
+/build
+
+# Logs
+logs
+*.log
+npm-debug.log*
+pnpm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+lerna-debug.log*
+
+# OS
+.DS_Store
+
+# Tests
+/coverage
+/.nyc_output
+
+# IDEs and editors
+/.idea
+.project
+.classpath
+.c9/
+*.launch
+.settings/
+*.sublime-workspace
+
+# IDE - VSCode
+.vscode/*
+!.vscode/settings.json
+!.vscode/tasks.json
+!.vscode/launch.json
+!.vscode/extensions.json
+
+# dotenv environment variable files
+.env
+.env.development.local
+.env.test.local
+.env.production.local
+.env.local
+
+# temp directory
+.temp
+.tmp
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Diagnostic reports (https://nodejs.org/api/report.html)
+report.[0-9]*.[0-9]*.[0-9]*.[0-9]*.json

ppt-generate/.prettierrc

@@ -0,0 +1,4 @@
+{
+  "singleQuote": true,
+  "trailingComma": "all"
+}

ppt-generate/.vscode/launch.json

@@ -0,0 +1,22 @@
+{
+    // Use IntelliSense to learn about possible attributes.
+    // Hover to view descriptions of existing attributes.
+    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "name": "Launch via NPM",
+            "request": "launch",
+            "runtimeArgs": [
+                "run-script",
+                "start:dev"
+            ],
+            "console": "integratedTerminal",
+            "runtimeExecutable": "npm",
+            "skipFiles": [
+                "<node_internals>/**"
+            ],
+            "type": "node"
+        }
+    ]
+}

ppt-generate/README.md

@@ -0,0 +1,5 @@
+# 动态生成 ppt
+
+npm install
+
+npm run start:dev

ppt-generate/nest-cli.json

@@ -0,0 +1,8 @@
+{
+  "$schema": "https://json.schemastore.org/nest-cli",
+  "collection": "@nestjs/schematics",
+  "sourceRoot": "src",
+  "compilerOptions": {
+    "deleteOutDir": true
+  }
+}

ppt-generate/package.json

@@ -0,0 +1,71 @@
+{
+  "name": "pdf-ppt-word-generate",
+  "version": "0.0.1",
+  "description": "",
+  "author": "",
+  "private": true,
+  "license": "UNLICENSED",
+  "scripts": {
+    "build": "nest build",
+    "format": "prettier --write \"src/**/*.ts\" \"test/**/*.ts\"",
+    "start": "nest start",
+    "start:dev": "nest start --watch",
+    "start:debug": "nest start --debug --watch",
+    "start:prod": "node dist/main",
+    "lint": "eslint \"{src,apps,libs,test}/**/*.ts\" --fix",
+    "test": "jest",
+    "test:watch": "jest --watch",
+    "test:cov": "jest --coverage",
+    "test:debug": "node --inspect-brk -r tsconfig-paths/register -r ts-node/register node_modules/.bin/jest --runInBand",
+    "test:e2e": "jest --config ./test/jest-e2e.json"
+  },
+  "dependencies": {
+    "@nestjs/common": "^10.0.0",
+    "@nestjs/core": "^10.0.0",
+    "@nestjs/platform-express": "^10.0.0",
+    "pptxgenjs": "^3.12.0",
+    "puppeteer": "^22.8.0",
+    "reflect-metadata": "^0.1.13",
+    "rxjs": "^7.8.1"
+  },
+  "devDependencies": {
+    "@nestjs/cli": "^10.0.0",
+    "@nestjs/schematics": "^10.0.0",
+    "@nestjs/testing": "^10.0.0",
+    "@types/express": "^4.17.17",
+    "@types/jest": "^29.5.2",
+    "@types/node": "^20.3.1",
+    "@types/supertest": "^2.0.12",
+    "@typescript-eslint/eslint-plugin": "^6.0.0",
+    "@typescript-eslint/parser": "^6.0.0",
+    "eslint": "^8.42.0",
+    "eslint-config-prettier": "^9.0.0",
+    "eslint-plugin-prettier": "^5.0.0",
+    "jest": "^29.5.0",
+    "prettier": "^3.0.0",
+    "source-map-support": "^0.5.21",
+    "supertest": "^6.3.3",
+    "ts-jest": "^29.1.0",
+    "ts-loader": "^9.4.3",
+    "ts-node": "^10.9.1",
+    "tsconfig-paths": "^4.2.0",
+    "typescript": "^5.1.3"
+  },
+  "jest": {
+    "moduleFileExtensions": [
+      "js",
+      "json",
+      "ts"
+    ],
+    "rootDir": "src",
+    "testRegex": ".*\\.spec\\.ts$",
+    "transform": {
+      "^.+\\.(t|j)s$": "ts-jest"
+    },
+    "collectCoverageFrom": [
+      "**/*.(t|j)s"
+    ],
+    "coverageDirectory": "../coverage",
+    "testEnvironment": "node"
+  }
+}

ppt-generate/src/app.controller.spec.ts

@@ -0,0 +1,22 @@
+import { Test, TestingModule } from '@nestjs/testing';
+import { AppController } from './app.controller';
+import { AppService } from './app.service';
+
+describe('AppController', () => {
+  let appController: AppController;
+
+  beforeEach(async () => {
+    const app: TestingModule = await Test.createTestingModule({
+      controllers: [AppController],
+      providers: [AppService],
+    }).compile();
+
+    appController = app.get<AppController>(AppController);
+  });
+
+  describe('root', () => {
+    it('should return "Hello World!"', () => {
+      expect(appController.getHello()).toBe('Hello World!');
+    });
+  });
+});

ppt-generate/src/app.controller.ts

@@ -0,0 +1,17 @@
+import { Controller, Get, Sse } from '@nestjs/common';
+import { AppService } from './app.service';
+
+@Controller()
+export class AppController {
+  constructor(private readonly appService: AppService) {}
+
+  @Get()
+  getHello(): string {
+    return this.appService.getHello();
+  }
+
+  @Sse('list')
+  async universityList() {
+    return this.appService.getUniversityData();
+  }
+}

ppt-generate/src/app.module.ts

@@ -0,0 +1,10 @@
+import { Module } from '@nestjs/common';
+import { AppController } from './app.controller';
+import { AppService } from './app.service';
+
+@Module({
+  imports: [],
+  controllers: [AppController],
+  providers: [AppService],
+})
+export class AppModule {}

ppt-generate/src/app.service.ts

@@ -0,0 +1,88 @@
+import { Injectable } from '@nestjs/common';
+import puppeteer from 'puppeteer';
+import { Observable, Subscriber } from 'rxjs';
+const pptxgen = require('pptxgenjs');
+
+let cache = null;
+
+@Injectable()
+export class AppService {
+  getHello(): string {
+    return 'Hello World!';
+  }
+
+  async getUniversityData() {
+    if(cache) {
+      return cache;
+    }
+
+    async function getData(observer: Subscriber<Record<string, any>>) {
+
+      const browser = await puppeteer.launch({
+          headless: true,
+          defaultViewport: {
+              width: 0,
+              height: 0
+          }
+      });
+
+      const page = await browser.newPage();
+
+      await page.goto('https://www.icourse163.org/university/view/all.htm');
+
+      await page.waitForSelector('.u-usitys');
+
+      const universityList: Array<Record<string, any>> = await page.$eval('.u-usitys', el => {
+          return [...el.querySelectorAll('.u-usity')].map(item => {
+            return {
+              name: item.querySelector('img').alt,
+              link: item.getAttribute('href')
+            }
+        })
+      });
+
+      const ppt = new pptxgen();
+
+      for(let i = 0; i < universityList.length; i ++) {
+        const item = universityList[i];
+        await page.goto('https://www.icourse163.org' + item.link);
+
+        await page.waitForSelector('.m-cnt');
+
+        const content = await page.$eval('.m-cnt p', el => el.textContent);
+        item.desc = content;
+
+        item.img = await page.$eval('.g-doc img', el => el.getAttribute('src'));
+
+        observer.next({data: item});
+
+        const slide = ppt.addSlide();
+
+        slide.addText(item.name, { x: '10%', y: '10%', color: '#ff0000', fontSize: 30,  align: ppt.AlignH.center,});
+
+        slide.addImage({ 
+            path: item.img, 
+            x: '42%',
+            y: '25%',
+        });
+
+        slide.addText(item.desc, 
+            { x: '10%', y: '60%', color: '#000000', fontSize: 14,}
+        );
+      }
+
+      await browser.close();
+
+      console.log('done');
+      await ppt.writeFile({
+        fileName: '中国所有大学.pptx'
+      })
+
+      cache = universityList;
+    }
+
+    return  new Observable((observer) => {
+      getData(observer);
+    });
+  }
+}

ppt-generate/src/main.ts

@@ -0,0 +1,8 @@
+import { NestFactory } from '@nestjs/core';
+import { AppModule } from './app.module';
+
+async function bootstrap() {
+  const app = await NestFactory.create(AppModule);
+  await app.listen(3000);
+}
+bootstrap();

ppt-generate/test.js

@@ -0,0 +1,21 @@
+const pptxgen = require('pptxgenjs');
+
+const ppt = new pptxgen();
+
+const slide  = ppt.addSlide();
+
+slide.addText('北京大学', { x: '10%', y: '10%', color: '#ff0000', fontSize: 30,  align: ppt.AlignH.center,});
+
+slide.addImage({ 
+    path: "https://nos.netease.com/edu-image/F78C41FA9703708FB193137A688F7195.png?imageView&thumbnail=150y150&quality=100", 
+    x: '42%',
+    y: '25%',
+});
+
+slide.addText(`北京大学创办于1898年，初名京师大学堂，是中国第一所国立综合性大学，也是当时中国最高教育行政机关。辛亥革命后，于1912年改为现名。 学校为教育部直属全国重点大学，国家“211工程”、“985工程”建设大学、C9联盟，以及东亚研究型大学协会、国际研究型大学联盟、环太平洋大学联盟、东亚四大学论坛的重要成员。`, 
+    { x: '10%', y: '60%', color: '#000000', fontSize: 14,}
+);
+
+ppt.writeFile({
+    fileName: '中国所有大学.pptx'
+})