Javascript Lstat:Type错误:路径必须是字符串。
这是我的代码:Javascript Lstat:Type错误:路径必须是字符串。,javascript,node.js,Javascript,Node.js,这是我的代码: var http = require('http'); var port = process.env.port || 1337; var fs = require('fs'); var url = require('url'); var current_data_store = __dirname.replace(/\\/g,"/")+"/DATA"; http.createServer(function (req, res) { res.writeHead(200
var http = require('http');
var port = process.env.port || 1337;
var fs = require('fs');
var url = require('url');
var current_data_store = __dirname.replace(/\\/g,"/")+"/DATA";
http.createServer(function (req, res) {
res.writeHead(200, { 'Content-Type': 'text/plain' });
this.requiredPath = current_data_store+""+url.format(req.url);
console.log(this.requiredPath);
fs.exists(this.requiredPath, function (exists) {
if(exists){
if(fs.lstatSync(this.requiredPath).isDirectory()){
console.log("It's dir");
//render list of files
} else if(fs.lstatSync(this.requiredPath).isFile()){
console.log("It's file");
//render file
}
} else {
console.log("doesnt exist");
}
});
res.end('Hello World\n'+req.url+'');
}).listen(port);
我想做一个简单的文件浏览器。脚本将显示地址栏中键入的路径中的文件(但仅显示数据文件中的文件)
问题是:节点返回错误:
财政司司长:679
返回binding.lstat(pathModule._makeLong(path));
^
TypeError:路径必须是字符串
在Object.fs.lstatSync(fs.js:679:18)
在C:\Users\piotr\u 000\Source\Repos\Cloud\Cloud\server.js:15:19
在Object.cb[as oncomplete](fs.js:168:19)
我真的不知道它为什么会出现。fs.exists()函数工作正常,不会抱怨路径不是字符串。您在
fs.exists()回调中使用的this
与父范围中的this
不同。请尝试以下方法:
this.requiredPath = current_data_store+""+url.format(req.url);
console.log(this.requiredPath);
var self = this;
fs.exists(this.requiredPath, function (exists) {
if(exists){
if(fs.lstatSync(self.requiredPath).isDirectory()){
console.log("It's dir");
//render list of files
} else if(fs.lstatSync(self.requiredPath).isFile()){
console.log("It's file");
//render file
}
} else {
console.log("doesnt exist");
}
});