Node.JS 文件读写，把Sheet图集转换为龙骨动画图集

var fs = require("fs")
var readline = require("readline");
var  rl = readline.createInterface({
    input:process.stdin,
    output:process.stdout
});
var path = undefined;
var dbName = undefined;
rl.question("请输入文件名",function(answer){
	path = answer;
	rl.question("请输入龙骨动画名",function(answer){
		dbName = answer;
		readAndWriteFile();
		rl.close();
	})
});
var convert = function(sheetData){
	var data = {};
	data["imagePath"] = path + ".png";
	data["name"] = dbName;
	data["SubTexture"] = [];
	var frames = sheetData.frames
	for(var index in frames){
		var frameData = frames[index];
		var d = {};
		d.name = index;
		d.height = frameData.h;
		d.width = frameData.w;
		d.x = frameData.x;
		d.y = frameData.y;
		data["SubTexture"].push(d);
	}
	return data;
}
var readAndWriteFile = function(){
	fs.readFile(path + ".json", function (err, data) {
		if (err) {
			return console.error(err);
		}
		var d = JSON.parse(data);
		
		if(d["SubTexture"] !== undefined){
			console.log(path + "已经转换");
			return;
		}
		var newData = convert(d);
		fs.writeFile(path + ".json", JSON.stringify(newData),  function(err) {
			if (err) {
			return console.error(err);
			}
		});
	});
}