PhantomJS write写入

fs.write(path, content, 'w');

var fs = require('fs'); 
var system = require('system'); 
var path = system.args[1]; 
var md = fs.touch(path); 

console.log("file is present : "+fs.isFile(path)); 
var n = fs.write(path, 'Hello world', 'w'); 

console.log("Content present in " +path + " are :"); 
console.log(fs.read(path)); 
phantom.exit();

file is present : true 
Content present in writemode.txt are : 
Hello world