1: "use strict";

2: 

3: var fs = require('fs');

4: 

5: var args = process.argv.splice(2);

6: var fileDirectory = args[0] || 'xxx';

7: 

8: if (fs.existsSync(fileDirectory)) {

9:     var files = fs.readdirSync(fileDirectory);

10: 

11:     files.forEach(function(file) {

12:         var filePath = fileDirectory + "/" + file;

13:

14:         if (/\.jpg$/.test(file)) {

15:             var fileName = file.replace(/(\-)(\d+)(\_s\.jpg)/, function() {

16:                 return arguments[1] + ((arguments[2] | 0) + 1714) + arguments[3];

17:             });

18: 

19:             var newFilePath = fileDirectory + "/" + fileName;

20: 

21:             fs.rename(filePath, newFilePath, function(err) {

22:                 if (err) throw err;

23: 

24:                 console.log(fileName + ' ok~');

25:             });

26:         }

27:     });

28: 

29: } else {

30:     console.log(fileDirectory + "  Not Found!");

31: }

1、首先判断目录是否存在；

2、遍历目录，获取文件名；

3、使用rename方法修改文件名；