package.json { "name": "asyncFile", "version": "0.0.1", "dependencies":{ "fs-sync":"", "later":"" } }
asycnFile.js
var fsSync = require('fs-sync'); var fs = require('fs'); var util = require("util"); var later = require("later"); //需要同步的文件夹路径 var path = { "pathOne": "/home/lincoln/testAsync/dirOne/", "pathTwo": "/home/lincoln/testAsync/dirTwo/" }; //需要同步的文件夹名称 var asyncDir = ["img", "music"]; var dirFilesOne; var dirFilesTwo; //读取文件夹信息 function readDir(dirName){ dirFilesOne = fs.readdirSync(path.pathOne + dirName); dirFilesTwo = fs.readdirSync(path.pathTwo + dirName); } //使用fs-sync模块拷贝文件信息 function useFileCopy(sourcePath,distPath,copyFiles) { for(var index in copyFiles){ fsSync.copy(sourcePath+copyFiles[index],distPath+copyFiles[index]) } } //统计需要同步的文件信息 function needCopyFiles(sourceFiles, distFiles) { var needCopyFiles = []; for (var index in sourceFiles) { if (distFiles.indexOf(sourceFiles[index]) == -1) { needCopyFiles.push(sourceFiles[index]); console.log("needAsyncFile-->"+sourceFiles[index]); } } return needCopyFiles; } //同步文件 function copyFile(dirName) { var sourcePath = path.pathOne + dirName +"https://www.jb51.net/"; var distPath = path.pathTwo + dirName +"https://www.jb51.net/"; readDir(dirName) useFileCopy(sourcePath,distPath,needCopyFiles(dirFilesOne,dirFilesTwo)); readDir(dirName); useFileCopy(distPath,sourcePath,needCopyFiles(dirFilesTwo,dirFilesOne)); } //for (var index in asyncDir) { // //console.log(asyncDir[index]) // console.log(new Date() +" 执行同步--->"+asyncDir[index]) // copyFile(asyncDir[index]); //} var sched = later.parse.recur().every(10).second(), t = later.setInterval(function() { for (var index in asyncDir) { //console.log(asyncDir[index]) console.log(new Date() +" 执行同步--->"+asyncDir[index]); copyFile(asyncDir[index]); } }, sched);
代码只是能用，菜鸟写法，等js这块有深入理解了之后，再修改这块的代码，也希望js大牛指点。