NODE 子產品 FS-EXTRA

​

​fs-extra​

​​子產品是系統​

​fs​

​​子產品的擴充，提供了更多便利的 API，并繼承了​

​fs​

​子產品的 API。

1、複制檔案

copy(src, dest, [options], callback)      

示例：

var fs = require('fs-extra');

fs.copy('/tmp/myfile', '/tmp/mynewfile', function(err) {
  if (err) return console.error(err)
  console.log("success!")
});

fs.copy('/tmp/mydir', '/tmp/mynewdir', function(err) {
  if (err) return console.error(err)
  console.log("success!")
});      

2、建立檔案、目錄

ensureFile(file, callback)
createFile(file, callback)
createFileSync(file),
ensureFileSync(file)
ensureDir(dir, callback)
ensureDirSync(dir)      

示例：

var fs = require('fs-extra');

var file = '/tmp/this/path/does/not/exist/file.txt'
fs.ensureFile(file, function(err) {
  console.log(err) // => null 
  //file has now been created, including the directory it is to be placed in 
});

var dir = '/tmp/this/path/does/not/exist'
fs.ensureDir(dir, function(err) {
  console.log(err) // => null 
  //dir has now been created, including the directory it is to be placed in      

3、移動檔案、目錄

move(src, dest, [options], callback)      

示例：

var fs = require('fs-extra')

fs.move('/tmp/somefile', '/tmp/does/not/exist/yet/somefile', function(err) {
  if (err) return console.error(err)
  console.log("success!")
})      

4、寫入檔案

outputFile(file, data, callback)      

示例：

var fs = require('fs-extra')
var file = '/tmp/this/path/does/not/exist/file.txt'

fs.outputFile(file, 'hello!', function(err) {
  console.log(err) // => null 

  fs.readFile(file, 'utf8', function(err, data) {
    console.log(data) // => hello! 
  })
})      

5、删除檔案、目錄

remove(dir, callback)      

示例：

var fs = require('fs-extra')

fs.remove('/tmp/myfile', function(err) {
  if (err) return console.error(err)

  console.log("success!")
})

fs.removeSync('/home/jprichardson')