我想在 request.url = '/' 时显示我的 index.html。 然而,似乎与我的index.html 文件相关的扩展文件没有被渲染。
这是我的 server.js 文件:
var verifyMimeType = true;
var port = 8000;
var serverURL = "127.0.0.1";
console.log("Starting web server: " + serverURL + ":" + port);
var server = http.createServer(function(req,res){
var parsedURL = url.parse(req.url);
console.log("Parsed URL: " + parsedURL);
if(req.url == '/'){
filename = '/public/index.html'
}
console.log("Filename is: " + filename);
// sets the extention of the filename
var ext = path.extname(filename);
var localPath = __dirname;
console.log("Local path: "+ localPath);
var validExtentions ={
".html" : "text/html",
".js": "application/javascript",
".css": "text/css",
".txt": "text/plain",
".jpg": "image/jpeg",
".gif": "image/gif",
".png": "image/png"
};
var validMimeType = true;
var mimeType = validExtentions[ext];
if(verifyMimeType){
validMimeType = validExtentions[ext] != undefined;
}
if(validMimeType){
localPath += filename;
fs.exists(localPath, function(exists){
if(exists){
console.log("Serving file: " + localPath);
getFile(localPath,res,mimeType);
}
else{
console.log("File not found: " + localPath);
res.writeHead(404);
res.end();
}
});
}
else{
console.log("Invalid file extention detected: " + ext);
console.log("Invalid file name: " + filename);
}
});
server.listen(port,serverURL);
var getFile = function(localPath, res, mimeType){
fs.readFile(localPath, function(err, data){
if(err){
console.log("Error with reading file: ("+ err + ")");
res.writeHead(500);
res.end();
}
else{
res.setHeader("Content-Length", data.length);
if(mimeType != undefined){
res.setHeader("Content-Type", mimeType);
}
res.statusCode = 200;
// the end does two things, it write to the response and
// ends the response.
res.end(data);
}
});
}
最佳答案
当 url 不是 /
时,您忘记初始化 filename
。以下是修复示例:
if(req.url == '/') {
filename = '/public/index.html'
} else {
filename = path.basename(parsedURL.pathname);
}
关于javascript - 在index.html 上创建node.js 服务器时未呈现扩展文件,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/41714689/