# 搭建

  1. 使用express创建服务渲染一个vue实例并返回
const Vue = require('vue')
const server = require('express')()
const renderer = require('vue-server-renderer').createRenderer()

server.get('*', (req, res) => {
  const app = new Vue({
    template: `<div>访问的URL是 {{ url }}</div>`,
    data: {
      url: req.url
    }
  })

  renderer.renderToString(app).then(html => {
    res.end(
      `<!DOCTYPE html>
      <html lang="en">
        <head>
          <meta charset="UTF-8">
          <title>Hello</title>
        </head>
        <body>${html}</body>
      </html>`
    )
  }).catch(err => {
    res.status(500).end('Internal Server Error')
  })
})

app.listen(5000, function () {
    console.log('app is running~');
})
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  1. 使用html模板










 



<!-- 创建一个模板文件 ./src/index.html -->
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>{{ title }}</title>
    {{{meta}}}
</head>
<body>
    <!--vue-ssr-outlet-->
</body>
</html>
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const express = require('express')
const Vue = require('vue')
const fs = require('fs')
const path = require('path')
const renderer = require('vue-server-renderer').createRenderer({
    template: fs.readFileSync(path.resolve(__dirname, './src/index.html'), 'utf-8')
})

const app = express()

app.get('*', (req, res) => {
    const app = new Vue({
        template: `
        <div>当前访问的URL是:{{url}}</div>
        `,
        data: {
            url: req.url
        }
    })
    const context = {
        title: 'SSR',
        meta: `
        <meta name="description" content="my blog">
        `
    }
    renderer.renderToString(app, context).then(html => {
        res.end(html)
    }).catch(err => console.log(err))
    
})

app.listen(5000, function () {
    console.log('app is running~');
})
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