nodejs遍历目录的方法

1. 使用fs模块遍历

1.1 同步操作

var fs = require("fs")
var path = require("path")

var root = path.join(__dirname)

readDirSync(root)
function readDirSync(path){
	var pa = fs.readdirSync(path);
	pa.forEach(function(ele,index){
		var info = fs.statSync(path+"/"+ele)	
		if(info.isDirectory()){
			console.log("dir: "+ele)
			readDirSync(path+"/"+ele);
		}else{
			console.log("file: "+ele)
		}	
	})
}

1.2. 异步操作

var fs = require("fs")
var path = require("path")

var root = path.join(__dirname)

readDir(path.join(root))
function readDir(path){
	fs.readdir(path,function(err,menu){	
		if(!menu)
			return;
		menu.forEach(function(ele){	
			fs.stat(path+"/"+ele,function(err,info){
				if(info.isDirectory()){
					console.log("dir: "+ele)
					readDir(path+"/"+ele);
				}else{
					console.log("file: "+ele)
				}	
			})
		})			
	})
}


2. 使用walk模块遍历

var walk = require('walk')

var root = path.join(__dirname)
var files = [],dirs = [];

getFileList(path.join(root))

function getFileList(path){
	var walker  = walk.walk(path, { followLinks: false });
 
	walker.on('file', function(roots, stat, next) {
	    files.push(roots + '/' + stat.name);
	    next();
	});
 
	walker.on('directory', function(roots, stat, next) {
	    dirs.push(roots + '/' + stat.name);
	    next();
	});
	walker.on('end', function() {
	    console.log("files "+files);
		console.log("dirs "+dirs);
	});
}


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