Difference between revisions of "MC-Basic:ASC/zh-hans"
(Created page with "{{Languages}} == 缩写 == == 格式 == ?ASC(<''string''>{,<''Index''>}) == 可用版本 == 所有版本，自版本4.5.10起适用于UTF-8字符串 == 描述 == ASC根...") |
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== 限制 == | == 限制 == | ||
只读 | 只读 | ||
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例子 == | 例子 == | ||
--> ?ASC("example",3) | --> ?ASC("example",3) | ||
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1.010000000000000e+02 ‘返回字母e的ASCII值 | 1.010000000000000e+02 ‘返回字母e的ASCII值 | ||
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Common Shared UTF8Str as String of UTF8 | Common Shared UTF8Str as String of UTF8 | ||
Revision as of 03:28, 17 April 2017
| 语言: | [[::MC-Basic:ASC|English]] • [[::MC-Basic:ASC/zh-hans|中文（简体）]] |
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缩写
格式
?ASC(<string>{,<Index>})
可用版本
所有版本，自版本4.5.10起适用于UTF-8字符串
描述
ASC根据ASCII-8返回ASCII字符值，根据UTF-8返回Unicode值。
<return value>: 所指定的ASCII字符与ASCII-8 <string>相应，或所指定Unicode值与UTF-8 <string>相应<string>。
<string>: 指定字符的字符串表达式。 如果字符串为空，该函数返回值0。
<index>: 可选实际值定义ASCII-8字符或UTF-8符号的在“<string>”中的位置进行选择。 如果索引被省略或值为0，则选择字符串的第一个ASCII-8字符或UTF-8符号。
类型
<return value>: Double
<string>: String
<index>: Long == 范围 == <return value>: 0 to 127 for an ASCII-8 <string>, 0 to MAXLONG for a UTF-8 <string>
<string>: String
<index>: 0 to MaxLong
单位
默认
使用范围
Configuration, Task or Terminal
限制
只读
例子 == --> ?ASC("example",3)
9.700000000000000e+01 ‘返回字母a的ASCII值
--> ?ASC("example")
1.010000000000000e+02 ‘返回字母e的ASCII值
Common Shared UTF8Str as String of UTF8
UTF8Str = UTF$(196) + UTF$(197) + UTF$(198)
?ASC(UTF8str,2)
1.970000000000000e+02