nodeJS实现路由功能实例详解
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2022-03-25 21:49:38
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前面的话
本文将使用NodeJS实现较复杂应用的路由功能
结构
项目结构如下
代码如下
功能
【router.js】
// 加载所需模块var http = require('http');var url = require('url');var fs = require('fs');var host = '127.0.0.1';var port = 8080;
http.createServer(function(req,res){var pathname = url.parse(req.url).pathname;
console.log('Request for ' + pathname + ' received.');function showPaper(path,status){var content = fs.readFileSync(path);
res.writeHead(status, { 'Content-Type': 'text/html;charset=utf-8' });
res.write(content);
res.end();
}switch(pathname){//'首页'case '/':case '/home':
showPaper('./view/home.html',200);break;//'about页'case '/about':
showPaper('./view/about.html',200); break;//'404页'default:
showPaper('./view/404.html',404);break;
}
}).listen(port, host);【404.html】
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
</head>
<body>
404
</body>
</html>【about.html】
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
</head>
<body>about
</body>
</html>【home.html】
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
</head>
<body>home
</body>
</html>
演示
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