Difference between revisions of "MC-Basic:ASC/zh-hans"
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| − | {{Languages}} | + | {{Languages|MC-Basic:ASC}} |
== 缩写 == | == 缩写 == | ||
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<''index''>: Long | <''index''>: Long | ||
| − | == | + | |
| − | + | == 取值范围 == | |
<''return value''>: 0 to 127 for an ASCII-8 <''string''>, 0 to MAXLONG for a UTF-8 ''<string>'' | <''return value''>: 0 to 127 for an ASCII-8 <''string''>, 0 to MAXLONG for a UTF-8 ''<string>'' | ||
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| − | == | + | == 参见 == |
* [[MC-Basic:INSTR|INSTR]] | * [[MC-Basic:INSTR|INSTR]] | ||
* [[MC-Basic:SPACE$|SPACE$]] | * [[MC-Basic:SPACE$|SPACE$]] | ||
Latest revision as of 06:31, 17 April 2017
| 语言: | English • 中文（简体） |
|---|
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
取值范围
<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