vue-ssr 服务端渲染

作者: tww844475003 分类: 前端开发 发布时间: 2021-05-22 19:47

server 配置

const Koa = require('koa');
const Router = require('koa-router');
const serve = require('koa-static');
const path = require('path');
const fs = require('fs');
const backendApp = new Koa();
const frontendApp = new Koa();
const backendRouter = new Router();
const frontendRouter = new Router();

const bundle = fs.readFileSync(path.resolve(__dirname, '../dist/server.bundle.js'), 'utf-8');
const renderer = require('vue-server-renderer').createBundleRenderer(bundle, {
  template: fs.readFileSync(path.resolve(__dirname, '../dist/index.ssr.html'), 'utf-8')
});

// 后端Server
backendRouter.get('/index', (ctx, next) => {
  // 这里用 renderToString 的 promise 返回的 html 有问题,没有样式
  renderer.renderToString((err, html) => {
    if (err) {
      console.error(err);
      ctx.status = 500;
      ctx.body = '服务器内部错误';
    } else {
      console.log(html);
      ctx.status = 200;
      ctx.body = html;
    }
  });
});

backendApp.use(serve(path.resolve(__dirname, '../dist')));

backendApp
  .use(backendRouter.routes())
  .use(backendRouter.allowedMethods());

backendApp.listen(3000, () => {
  console.log('服务器端渲染地址: http://localhost:3000');
});


// 前端Server
frontendRouter.get('/index', (ctx, next) => {
  let html = fs.readFileSync(path.resolve(__dirname, '../dist/index.html'), 'utf-8');
  ctx.type = 'html';
  ctx.status = 200;
  ctx.body = html;
});

frontendApp.use(serve(path.resolve(__dirname, '../dist')));

frontendApp
  .use(frontendRouter.routes())
  .use(frontendRouter.allowedMethods());

frontendApp.listen(3001, () => {
  console.log('浏览器端渲染地址: http://localhost:3001');
});

webpack 配置

config/webpack.base.config.js

const path = require('path');
const VueLoaderPlugin = require('vue-loader/lib/plugin');

module.exports = {
  mode: 'development',

  resolve: {
    extensions: ['.js', '.vue']
  },

  output: {
    path: path.resolve(__dirname, '../dist'),
    filename: '[name].bundle.js'
  },

  module: {
    rules: [
      {
        test: /\.vue$/,
        use: 'vue-loader'
      },
      {
        test: /\.js$/,
        use: 'babel-loader'
      },
      {
        test: /\.css$/,
        use: ['vue-style-loader', 'css-loader', 'postcss-loader']
      },
      {
        test: /\.(jpg|jpeg|png|gif|svg)$/,
        use: {
          loader: 'url-loader',
          options: {
            limit: 10000    // 10Kb
          }
        }
      }
    ]
  },

  plugins: [
    new VueLoaderPlugin()
  ]
};

config/webpack.client.config.js

const path = require('path');
const merge = require('webpack-merge');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const base = require('./webpack.base.config');

module.exports = merge(base, {
  entry: {
    client: path.resolve(__dirname, '../src/entry-client.js')
  },

  plugins: [
    new HtmlWebpackPlugin({
      template: path.resolve(__dirname, '../src/index.html'),
      filename: 'index.html'
    })
  ]
});

config/webpack.server.config.js

const path = require('path');
const merge = require('webpack-merge');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const base = require('./webpack.base.config');

module.exports = merge(base, {
  target: 'node',
  entry: {
    server: path.resolve(__dirname, '../src/entry-server.js')
  },
  output: {
    libraryTarget: 'commonjs2'
  },
  plugins: [
    new HtmlWebpackPlugin({
      template: path.resolve(__dirname, '../src/index.ssr.html'),
      filename: 'index.ssr.html',
      files: {
        js: 'client.bundle.js'
      },
      excludeChunks: ['server']
    })
  ]
});
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