How to make node.js interface
This time I will show you how to make a node.js interface and what are the precautions for making a node.js interface. The following is a practical case. Let’s take a look. .
Recently I have to write a tool interface to integrate the functions of the project Attributes to facilitate editing by people in other departments, somewhat similar to the backend. There will be some data interaction. So I learned about the node.js backend.
The source code is as follows:
// filename:myServer.js
// a simple http server
var
fs = require('fs'),
url = require('url'),
path = require('path'),
http = require('http');
//从命令行参数获取root目录，默认是当前目录
var root = path.resolve(process.argv[2] || '.');
console.log('Static root dir: ' + root);
//创建服务器
var server = http.createServer(function (request, response) {
//获取URL的路径
var pathname = url.parse(request.url).pathname,
//获取对应的本地文件的路径
filepath = path.join(root, pathname);
//获取文件状态
fs.stat(filepath, function (err, stats) {
if (!err && stats.isFile()) {
console.log('200 ' + request.url);
//发送响应
response.writeHead(200);
//将文件流导向response
fs.createReadStream(filepath).pipe(response);
} else {
console.log('404 ' + request.url);
response.writeHead(404);
response.end('404 Not Found');
}
});
});
server.listen(8081);
console.log('Server is running at http://127.0.0.1:8081/');The directory structure of this project is as follows:
After the js and html pages are written as usual, execute the cnd command:
##The final effect is as follows:
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