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VBScript Asc 函数

❮ VBScript 参考大全

Asc 函数将字符串中的第一个字符转换为 ANSI 代码,并返回结果。

语法

Asc(string)
参数 描述
string 必需。字符串表达式。不能是空字符串!

示例

示例 1

<%

response.write(Asc("A") & "<br />")
response.write(Asc("a") & "<br />")
response.write(Asc("F") & "<br />")
response.write(Asc("f") & "<br />")
response.write(Asc("2") & "<br />")
response.write(Asc("#") & "<br />")

%>

以上代码的输出将是

65
97
70
102
50
35
显示示例 »

示例 2

Asc 仅返回字符串中第一个字符的 ANSI 代码

<%

response.write(Asc("W") & "<br />")
response.write(Asc("W3Schools.com"))

%>

以上代码的输出将是

87
87
显示示例 »

示例 3

如何返回字符串中所有字符的 ANSI 代码

<%

txt="W3schools.com"
for i=1 to len(txt)
   response.write(Asc(mid(txt,i,1)) & "<br />")
next

%>

以上代码的输出将是

87
51
115
99
104
111
111
108
115
46
99
111
109
显示示例 »

❮ VBScript 参考大全
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