NSIS检测SQL SERVER安装

NSIS――检测SQL Server安装版本  2011-10-14 09:21:19|  分类： 技术―NSIS |  标签： |字号大
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小 订阅 
来自：http://nsis.sourceforge.net/How_to_tell_what_version_of_SQLServer_is_installed
1、代码如下：


Function StrTok
  Exch $R1
  Exch 1
  Exch $R0
  Push $R2
  Push $R3
  Push $R4
  Push $R5


  ;R0 fullstring
  ;R1 tokens
  ;R2 len of fullstring
  ;R3 len of tokens
  ;R4 char from string
  ;R5 testchar


  StrLen $R2 $R0
  IntOp $R2 $R2 + 1


  loop1:

    IntOp $R2 $R2 - 1
    IntCmp $R2 0 exit


    StrCpy $R4 $R0 1 -$R2


    StrLen $R3 $R1
    IntOp $R3 $R3 + 1


    loop2:
      IntOp $R3 $R3 - 1
      IntCmp $R3 0 loop1


      StrCpy $R5 $R1 1 -$R3


      StrCmp $R4 $R5 Found
    Goto loop2
  Goto loop1


  exit:
  ;Not found!!!
  StrCpy $R1 ""
  StrCpy $R0 ""
  Goto Cleanup