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注意，前情提示：

本代码基于《Node.js（nodejs）对本地JSON文件进行增、删、改、查操作（轻车熟路）》

传送门

在/api/demo/文件夹下面创建copyFileOrFolder.js和deleteFileOrFolder.js

copyFileOrFolder.js代码内容 

const $g = global.SG.$g, fs = global.SG.fs, router = global.SG.router, path = global.SG.path;module.exports = global.SG.router;const copyFileOrFolerPath = "./json/demo/demo.json";//被复制的文件路径const pasteFileOrFolerPath = "./json/demoBak/demoBak.json";//粘贴文件路径// const copyFileOrFolerPath = "./json";//被复制的文件夹路径// const pasteFileOrFolerPath = "./temp";//粘贴文件夹路径const copyDir = (src, dst) => {    //读取目录中的所有文件/目录    fs.readdir(src, (err, paths) => {        if (err) throw err;        paths.forEach(path => {            const _src = src + "/" + path, _dst = dst + "/" + path;            let readable, writable;            fs.stat(_src, (err, st) => {                if (err) throw err;                if (st.isFile()) {//是文件                    readable = fs.createReadStream(_src);//创建读取流                    writable = fs.createWriteStream(_dst);//创建写入流                    readable.pipe(writable);//通过管道来传输流                } else {//是文件夹                    copyFolder(_src, _dst);//如果是目录则递归调用自身                }            });        });    });};//复制文件夹const copyFolder = (src, dst) => fs.existsSync(dst) ? copyDir(src, dst) : fs.mkdir(dst, () => copyDir(src, dst));const mkdirs = $g.dir.mkdirsByFilePath;//递归创建文件夹目录（基于文件路径）const resJson = (req, res) => {    fs.copyFile(copyFileOrFolerPath, pasteFileOrFolerPath, err => {        $g.json.res(req, res, `复制${copyFileOrFolerPath}${err ? "失败" : "成功"}`, {err, copyFileOrFolerPath, pasteFileOrFolerPath}, true);    });};//复制并且粘贴（覆盖无提示）文件（all方法支持POST、GET、PUT、PATCH、DELETE传参方式）router.all("/demo/copyFileOrFolder", (req, res) => {    if (fs.statSync(copyFileOrFolerPath).isFile()) {//是文件        mkdirs(pasteFileOrFolerPath, () => resJson(req, res));//复制文件    } else {//是文件夹        copyFolder(copyFileOrFolerPath, pasteFileOrFolerPath);//复制文件夹        $g.json.res(req, res, `复制${copyFileOrFolerPath}成功`, {err: null, copyFileOrFolerPath, pasteFileOrFolerPath}, true);    }});

 deleteFileOrFolder.js代码内容 

const $g = global.SG.$g, fs = global.SG.fs, router = global.SG.router, path = global.SG.path;module.exports = global.SG.router;// const deleteFileOrFolderPath = "./json/demoBak/demoBak.json";//被删除文件路径const deleteFileOrFolderPath = "./json/demoBak";//被删除文件夹路径const deleteFileOrFolderRecursive = (url, callback) => {    //判断给定的路径是否存在    fs.exists(url, exists => {        if (exists) {            if (fs.statSync(url).isFile()) {//是文件                fs.unlink(url, err => callback(err));            } else {//是文件夹                let __del = (url, callback) => {                    let files = [];                    //判断给定的路径是否存在                    files = fs.readdirSync(url);//返回文件和子目录的数组                    files.forEach((file, index) => {                        let curPath = path.join(url, file);                        if (fs.statSync(curPath).isDirectory()) {                            __del(curPath);//fs.statSync同步读取文件夹文件，如果是文件夹，在重复触发函数                        } else {                            fs.unlinkSync(curPath);                        }                    });                    fs.rmdirSync(url);//清除文件夹                    callback && callback();                };                __del(url, callback);            }        } else {            callback("亲，您提供的是一个子虚乌有的路径！");        }    });};const resJson = (req, res, err) => $g.json.res(req, res, `删除${deleteFileOrFolderPath}${err ? "失败" : "成功"}`, {err, deleteFileOrFolderPath}, !err);//删除文件or文件夹（覆盖无提示）文件（all方法支持POST、GET、PUT、PATCH、DELETE传参方式）router.all("/demo/deleteFileOrFolder", (req, res) => deleteFileOrFolderRecursive(deleteFileOrFolderPath, err => resJson(req, res, err)));

在index.js最后一行加入

app.use(API_PATH, require(`.${API_PATH}/demo/copyFileOrFolder`));//复制文件or文件夹app.use(API_PATH, require(`.${API_PATH}/demo/deleteFileOrFolder`));//删除文件or文件夹

运行

node index

转载地址：http://kdxaf.baihongyu.com/