什么是处理程序 [英] What is a handler

问题描述

我试图学习一些与编程相关的术语，而且我经常碰到单词处理程序.任何人都可以解释一下处理程序的含义以及何时使用该术语.

Hi I am trying to learn some programing related terms, and I often comes over the word handler. Can anyone pleas explain what handler means and when to use the term.

推荐答案

处理程序是一种例程/函数/方法，专用于某种类型的数据或专注于某些特殊任务.

A handler is a routine/function/method which is specialized in a certain type of data or focused on certain special tasks.

示例:

• 事件处理程序-接收并摘要来自以下事件的事件和信号: 周围的系统(例如OS或GUI).

• Event handler - Receives and digests events and signals from the surrounding system (e.g. OS or GUI).

内存处理程序-在内存上执行某些特殊任务.

Memory handler - Performs certain special tasks on memory.

文件输入处理程序-接收文件输入并执行的功能 数据上的特殊任务，这当然取决于上下文.

File input handler - A function receiving file input and performing special tasks on the data, all depending on context of course.

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