string VBScript 有 substring() 函数吗？
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Does VBScript have a substring() function?
提问by Carlos Blanco
Is there a substring()function in VBScript similar to Java's string.substring()?
substring()VBScript 中是否有类似于 Java 的函数string.substring()？
回答by Tmdean
Yes, Mid.
是的，Mid。
Dim sub_str
sub_str = Mid(source_str, 10, 5)
The first parameter is the source string, the second is the start index, and the third is the length.
第一个参数是源字符串，第二个是起始索引，第三个是长度。
@bobobobo: Note that VBScript strings are 1-based, not 0-based. Passing 0 as an argument to Midresults in "invalid procedure call or argument Mid".
@bobobobo：请注意，VBScript 字符串是基于 1 的，而不是基于 0 的。将 0 作为参数传递会Mid导致“无效的过程调用或参数 Mid”。
回答by Kev
As Tmdean correctly pointed outyou can use the Mid()function. The MSDN Library also has a great reference section on VBScript which you can find here:
正如Tmdean 正确指出的那样，您可以使用该Mid()功能。MSDN 库也有一个关于 VBScript 的很好的参考部分，你可以在这里找到：
