ascii是什么意思？ [英] What is the meaning of ascii?

问题描述

Dim keyascii As String = e.KeyChar
      Dim chback As String
      chback = Asc(e.KeyChar)
      If chback = 8 Or keyascii >= "0" And keyascii <= "9" Or keyascii = "." Then
          e.Handled = False
      Else
          e.Handled = True
      End If

推荐答案

Google搜索什么是ASCII会给你这个 [ ^ ]。

A simple Google search of "What is ASCII" would give you this[^].

美国信息交换标准代码的缩写。发音为ask-ee，ASCII是用于将英文字符表示为数字的代码，每个字母分配一个0到127之间的数字。例如，大写字母M的ASCII代码是77.大多数计算机使用ASCII代码表示文本，这使得可以将数据从一台计算机传输到另一台计算机。



资料来源：http：//www.webopedia.com/TERM/A/ASCII.html

Acronym for the American Standard Code for Information Interchange. Pronounced ask-ee, ASCII is a code for representing English characters as numbers, with each letter assigned a number from 0 to 127. For example, the ASCII code for uppercase M is 77. Most computers use ASCII codes to represent text, which makes it possible to transfer data from one computer to another.

Source: http://www.webopedia.com/TERM/A/ASCII.html

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