Node入门训练【3】【打印本地目录下的所有文件名】

//print_local_dir.js

var http = require("http");
var fs = require("fs");

function printDir(req, res) {
fs.readdir("d:", function(err, dir) {
if (err) {
throw err;
}
// 操作dir[],元素是fileName
response.writeHead(200, {
"Content-Type": "text/plain"
});
for (var i = 0; i < dir.length; ++i) {
response.write(dir[i]);
response.write("\n");
}
response.end();
})
}
http.createServer(printDir).listen(8888);