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Node.js Readline 模块

❮ 内置模块


示例

打开文件并逐行返回内容

var readline = require('readline');
var fs = require('fs');

var myInterface = readline.createInterface({
  input: fs.createReadStream('demofile1.html')
});

var lineno = 0;
myInterface.on('line', function (line) {
  lineno++;
  console.log('行号 ' + lineno + ': ' + line);
});
运行示例 »

定义和用法

Readline 模块提供了一种逐行读取数据流的方法。


语法

在应用程序中包含 Readline 模块的语法

var readline = require('readline');

Readline 属性和方法

方法 描述
clearLine() 清除指定流的当前行
clearScreenDown() 从当前光标位置开始清除指定流
createInterface() 创建一个 Interface 对象
cursorTo() 将光标移动到指定位置
emitKeypressEvents() 为指定流触发按键事件
moveCursor() 相对于当前位置将光标移动到新位置

❮ 内置模块

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