fs.js:427? return binding.open(pathModule._makeLong(path), stringToFlags(flags), mode);?? ? ? ? ? ? ? ? ^Error: ENOENT, no such file or directory 'ssh_key.pem'? ? at Object.fs.openSync (fs.js:427:18)? ? at Object.fs.readFileSync (fs.js:284:15)? ? at Object.<anonymous> (/Users/lichao/Desktop/nodeStudy/https.js:5:9)? ? at Module._compile (module.js:456:26)? ? at Object.Module._extensions..js (module.js:474:10)? ? at Module.load (module.js:356:32)? ? at Function.Module._load (module.js:312:12)? ? at Function.Module.runMain (module.js:497:10)? ? at startup (node.js:119:16)? ? at node.js:902:3源碼為：var https=require('https');var fs=require('fs');var options={ key:fs.readFileSync('ssh_key.pem'), cert:fs.readFileSync('ssh_cert.pem')}https.createServer(options,function(req,res){ res.writeHead(200); res.end('Hello zhdail')}).listen('8080')