The content of this article is about the code implementation of file monitoring in the Node.js file system. It has certain reference value. Friends in need can refer to it. I hope it will be helpful to you.
Listening file
fs.watchFile()
fs.watchFileSync()
fs.watch
FSWatcher class
// 导入模块 const fs = require('fs'); // 监听文件的变化 //curr当前的修改的状态,prev上一次文件修改的状态 // interval:1000每隔一段时间检测文件变化 fs.watchFile('../fs/zhang.txt', {interval: 1000}, function (curr, prev) { console.log('当前文件的修改时间:' + curr.mtime + '当前文件的大小:' + curr.size); console.log("上一次的文件修改时间:" + prev.mtime + '上一次文件的大小:' + prev.size); // 停止监听 fs.unwatchFile('../fs/zhang.txt'); }); // 使用watch监听文件变化 // eventType事件类型,filename变化的文件名 fs.watch('../fs/2.txt', function (eventType, filename) { console.log(eventType, filename);//输出rename 2.txt });
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