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创建 index.ejs

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <h2>
        <%- data %>
    </h2>
    <h2>
        <%- name %>
    </h2>
    <h2>
        <% user.forEach((item)=>{ %>
        姓名是: <%- item.name %>
        性别是: <%- item.sex %>
        年龄是: <%- item.age %>
        <br>
        <% }) %>
    </h2>
</body>
</html>

搭建node.js服务器

//引入express
const express = require("express");
//引入path
const path = require("path");
//创建一个express的application对象
const app = express();
//首先引入ejs
const ejs = require("ejs");
//通知express使用ejs模板引擎
app.set("view engine", "ejs");
app.set("views", "views");
app.get("/", (req, res) => {
    //获取模板的路径
    const filePath = path.resolve(__dirname, "index.ejs");
    const data = "hello jingjing";
    res.render(filePath, {
        data: data,
        name: "laowang",
        user: [{
            name: "laowang",
            age: 18,
            sex: "nan"
        }, {
            name: "xiaowang",
            age: 19,
            sex: "nv"
        }, {
            name: "zhongwang",
            age: 28,
            sex: "nan"
        }, {
            name: "dawang",
            age: 38,
            sex: "nv"
        }]
    })
})
//监听端口号和服务器状态
let port = "3002";
app.listen(port, err => {
    if (err) {
        console.log(err);
        return;
    }
    console.log("服务器启动，请访问" + ` http://127.0.0.1:${port}`);
})