watch ​

var fs = require('fs');

var options = {
    persistent: true,
    recursive: true,
    encoding: 'utf8'
};

fs.watch('../', options, function(event, filename){
    console.log('触发事件:' + event);
    if(filename){
        console.log('文件名是: ' + filename);
    }else{
        console.log('文件名是没有提供');
    }
});

var fs = require('fs');

var options = {
    persistent: true,
    recursive: true,
    encoding: 'utf8'
};

fs.watch('../', options, function(event, filename){
    console.log('触发事件:' + event);
    if(filename){
        console.log('文件名是: ' + filename);
    }else{
        console.log('文件名是没有提供');
    }
});