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记录:express router,可以让node.js后端文件里的路由分布的更清晰

news 来源：原创 2025/5/23 5:22:54

假设我们有一个server.js,里面的内容用于响应客户端的fetch请求,如果fetch请求很少,我们通常会把所有内容写到server.js里,例如:

const server = express();server.post("/api/v1/sendgraindata", (req, res)...server.get("/api/v1/guarddata", (req, res)...server.get("/api/v1/skytemphudivalue", (req, res)....server.post("/api/v1/startstopinner", (req, res)........

但是,这样把数据操作与控制操作混杂在一起了,而且如果需要fetch的请求特别多,就很难寻找想要修改的内容了,所以为了更清晰一些,我们可以这样:

一个完整的小server.js:

const fs = require("fs");const path = require("path");const cors = require("cors");const express = require("express");//''''''''''''''''''''''''''''''''''   导入路由  ''''''''''''''''''''''''''''''''''''''''''''const commRouters = require("./routers/commRouter");         //公用路由  routes文件夹下的commRouter.js文件const storeRouters = require("./routers/storeRouter");             //数据路由  routes文件夹下的storeRouter.js文件const measureRouters = require("./routers/measureRouter"); //控制路由 routes文件夹下的measureRouter.js文件//'''''''''''''''''''''''''''''''''''' ''''''''''''''''''''''''''''''''''''''''''const server = express();//''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''server.use(express.json());server.use(express.urlencoded({ extended: true }));server.use(cors());server.use(express.static(path.join(__dirname, "/public")));//''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''server.use("/api/v1/comm", commRouters);server.use("/api/v1/store", storeRouters);server.use("/api/v1/measure", measureRouters);//''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''const port = fs.readFileSync(path.join(__dirname, "/port.txt"), "utf-8");//监听http请求端口server.listen(port, () => {console.log(`listening on port ${port}...`);});

1 commRouter.js:

const express = require("express");

const commRouter = express.Router();

commRouter.get("/userbycodepassword", (req, res) => {

.....

});

module.exports = commRouter;

2 storeRouter.js:

const express = require("express");

const storeRouter = express.Router();

storeRouter.get("/storebystorename", (req, res) => {

});