app.listen(3000, () => { console.log('Server started on port 3000'); }); Ruby + Ruby on Rails 在Ruby on Rails框架中,可以使用render方法将一个对象转换为JSON格式,并自动设置Content-Type为application/json,最后将JSON作为响应体返回给客户端。以下是一个示例代码: class DataController < Application...
// 启动服务器 app.listen(3000, () => { 代码语言:txt 复制 console.log('Server started on port 3000'); }); 代码语言:txt 复制 请求体大小限制:默认情况下,Express对请求体的大小有限制。如果JSON数据较大,可能会导致服务器无法接收。可以使用body-parser中间件的limit选项来增加请求体大小限制: 代...
启服务 CD 到目录 node server-run.js (server-run.js 是一个js 文件) 成功返回!!! Server started on port 3000. --- http://localhost:3000/info {"code":"200","msg":"success","result":[{"dataCode":"1111","dataName":"广告投放"}]} --- 跨越 域名 端口 协议 不一样 都算的跨域 一...
log('Server started on port 3000')) I believe that if an endpoint needs to parse incoming JSON request body, it needs to use either the built-in request body parser such as the one from Express, but every time I hit my endpoint from Postman, it seems like Node detect...
console.log('Server started on port 3000'); }); Angular 2代码: 代码语言:txt 复制 import { Component } from '@angular/core'; import { HttpClient } from '@angular/common/http'; @Component({ selector: 'app-root', template: `
npm install json-server -g 安装完执行json-server -h,若安装成功则显示选项 Options: --config, -c Path to config file [default: "json-server.json"] --port, -p Set port [default: 3000] --host, -H Set host [default: "0.0.0.0"] ...
Can someone please help me understand why I am getting this error and how to fix it? Is there something I am missing in the server-side code or in the way I am handling the JWT token on the client-side? Any insights or suggestions would be greatly appreciated. T...
constexpress=require('express');constapp=express();app.use(express.json());app.post('/api/data',(req,res)=>{constjsonData=req.body;console.log(jsonData);res.send('Received JSON data');});app.listen(3000,()=>{console.log('Server started on port 3000');}); ...
{"port":3000} Module If you need to add authentication, validation, orany behavior, you can use the project as a module in combination with other Express middlewares. Simple example $ npm install json-server --save-dev // server.jsconstjsonServer =require('json-server')constserver = json...
redirect(301, 'http://localhost:3000/?error=google_failed_exchange'); }); }); //start the express server app.listen(4000, () => console.log(`App started on port ${PORT}`) ); module.exports = app; 我犯的错误是 if (err) { throw err; } ^ ReplyError: ERR unknown command '...