[英]setting up a basic node.js server
I am trying to set up a basic node.js server and am getting an error I cannot figure out. 我正在尝试设置基本的node.js服务器,但遇到了我无法弄清的错误。 I have 4 files: index.js, server.js, router.js, requestHandlers.js
我有4个文件:index.js,server.js,router.js,requestHandlers.js
index.js index.js
var server = require("./server");
var router = require("./router");
var requestHandlers = ("./requestHandlers");
var handle = {}
handle["/"] = requestHandlers.start;
handle["/start"] = requestHandlers.start;
handle["/upload"] = requestHandlers.upload;
server.start(router.route, handle);
server.js server.js
var http = require('http');
var url = require("url");
function start(route, handle) {
function onRequest(request, response) {
var pathname = url.parse(request.url).pathname;
console.log("Request for " + pathname + " received"); // 2nd log-- works fine
route(handle, pathname);
response.writeHead(200, {'Content-Type': 'text/plain'});
response.write('Hello World');
response.end();
}
http.createServer(onRequest).listen(8888);
console.log("Server has started."); //1st log -- works fine
};
exports.start = start;
router.js router.js
function route(handle, pathname) {
console.log("About to route a request for " + pathname); //3rd log -- works fine
console.log(handle); // THIS IS THE PROBLEM returns ---> { '/': undefined, '/start': undefined, '/upload': undefined }
console.log(pathname); //works fine -- returns "/"
console.log(typeof handle[pathname]); //undefined
if (typeof handle[pathname] === 'function') {
handle[pathname](); //never called because above evaluates to undefined
}
else {
console.log("No request handler found for " + pathname);
}
}
exports.route = route;
requestHandlers.js //code never gets here requestHandlers.js //代码永远不会到达这里
function start () {
console.log("Request handler 'start' was called")
}
function upload () {
console.log("Request handler 'upload' was called")
}
exports.start = start;
exports.upload = upload;
I have gone over this 100 times and feel pretty confident about what it's doing, so hopefully there is just some small thing I am missing. 我走了100遍,对它所做的事情充满信心,因此希望我缺少一些小东西。 thanks!
谢谢!
我认为您不小心忘记了动词(require)。
var requestHandlers = require("./requestHandlers");
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