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只能说隔行如隔山,匿名回调函数在Node.js之类的web后端框架很常用,C++用这种写法也是为了让web后端程序猿更容易转到嵌入式开发上面来。
Node.js写的hello world服务器:
- // Load HTTP module
- const http = require("http");
- const hostname = "127.0.0.1";
- const port = 8000;
- // Create HTTP server
- const server = http.createServer(function(req, res) {
- // Set the response HTTP header with HTTP status and Content type
- res.writeHead(200, {'Content-Type': 'text/plain'});
- // Send the response body "Hello World"
- res.end('Hello World\n');
- });
- // Prints a log once the server starts listening
- server.listen(port, hostname, function() {
- console.log(`Server running at http://${hostname}:${port}/`);
- })
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