基于Node.js的API授权Web应用报错：找不到模块'js'求助

问题根源 #

你的POST路由中错误调用了res.render("index.js")，改为res.render("index.ejs")即可解决问题。

原因解释 #

Express的res.render()方法用于渲染模板文件，你的项目使用EJS作为模板引擎，必须指定.ejs后缀的模板文件。当传入index.js时，Express会尝试加载名为js的模板引擎模块，而该模块不存在，因此触发了"Cannot find module 'js'"的错误。

修正后的完整代码 #

import express from "express";
import bodyParser from "body-parser";
import axios from "axios";

const app = express();
const port = 3000;

app.use(express.static("public"));
app.use(bodyParser.urlencoded({ extended: true }));

app.get("/", async (req, res) => {
  try {
    const response = await axios.get("https://bored-api.appbrewery.com/random");
    const result = response.data;
    res.render("index.ejs", { data: result });
  } catch (error) {
    console.error("Failed to make request:", error.message);
    res.render("index.ejs", {
      error: error.message,
    });
  }
});

app.post("/", async (req, res) => {
  try {
    const type = req.body.type;
    const participants = req.body.participants;

    const response = await axios.get(`https://bored-api.appbrewery.com/filter?type=${type}&participants=${participants}`);
    const result = response.data;

    // 修正模板文件后缀
    res.render("index.ejs", { data: result[Math.floor(Math.random() * result.length)] });
  } catch (error) {
    console.error("failed to make request", error.message);
    res.render("index.ejs", {
      error: "no activities match your criteria"
    });
  }
});

app.listen(port, () => {
  console.log(`Server running on port: ${ port }`);
});

内容的提问来源于stack exchange，提问作者senpxi