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utils-cui-del-push

v1.0.0

Published

```javascript // 删除文件夹 function deleteDir(dirname) { // 1.读取文件夹子目录 let arr = fs.readdirSync(dirname) // 2.遍历子目录 arr.forEach(item => { // 2-1拼接目录 保证目录正确性 item = dirname + "/" + item // 2-

Downloads

1

Readme

#fs算法

##fs删除文件夹

// 删除文件夹
function deleteDir(dirname) {
    // 1.读取文件夹子目录
    let arr = fs.readdirSync(dirname)
        // 2.遍历子目录
    arr.forEach(item => {
            // 2-1拼接目录 保证目录正确性
            item = dirname + "/" + item
                // 2-2 判断是文件还是文件夹
            if (fs.statSync(item).isFile()) {
                // 2-3 删除文件
                fs.unlinkSync(item)
            } else {
                // 2-4 递归删除文件夹
                deleteDir(item)
            }
        })
        // 3.删除空的文件夹
        // 因为上面的forEach执行完了 文件夹是空的
    fs.rmdirSync(dirname)
}

##fs复制文件夹

//复制文件夹
function copyDir(d1, d2) {
    // 1.创建目标文件夹
    !fs.existsSync(d2) && fs.mkdirSync(d2)
        // 2。读取复制的文件夹的子目录
    fs.readdirSync(d1).forEach(pathname => {
        // 3。拼接目录
        let d1name = d1 + "/" + pathname; //复制的源子目录
        let d2name = d2 + "/" + pathname; //复制的目标子目录
        // 判断源子目录是不是文件
        if (fs.statSync(d1name).isFile()) {
            // 是 文件 直接复制
            fs.copyFileSync(d1name, d2name)
        } else {
            // 是文件夹 递归复制
            copyDir(d1name, d2name)
        }
    })
}