Node practical case (server construction)
1. Install axios (npm i axios)
2. Node practical case (server construction)
2.1, without request parameters
//index.js中的代码
//引入http模块
let http=require('http');
//创建服务
// req:request请求; res:response响应
let server=http.createServer(function(req,res){
res.statusCode=200; //正确的状态吗
//设置请求头
res.setHeader('Content-Type','application/json;charset=utf-8')
//给前端的响应结果
res.end(`{"errCode":0,"msg":"你好奇酷"}`);
})
//开启服务
server.listen(8888,function(){
console.log("服务启动成功");
})
/* 访问:
localhost:8888
127.0.0.1:8888
192.168.13.8:8888
查看本机ip:ipconfig
2.2, containing request parameters
2.2.1 installation url (npm i url)
//引入http模块
let http=require('http');
//引入url:获取路由参数 npm i url
let url=require('url');
//创建服务
// req:request请求; res:response响应
let server=http.createServer(function(req,res){
//从请求中拿到路由参数
let params=url.parse(req.url);
res.statusCode=200; //正确的状态吗
//设置请求头
res.setHeader('Content-Type','application/json;charset=utf-8')
//给前端的响应结果
res.end(`{"errCode":0,"msg":"${
params.search}"}`);
})
//开启服务
server.listen(8888,function(){
console.log("服务启动成功");
})
/* 访问:
localhost:8888
127.0.0.1:8888
192.168.13.8:8888
查看本机ip:ipconfig
停止服务:ctrl+c
*/
3. Start the server (run the node file in the black window—node index.js)
4. Open the browser