生成随机密码

2006-6-28 4:09:30　　作者：模板天下收集整理　　来源：未知　网友评论 0 条　论坛

　　

 

'**************************************************
'[生成随机密码]
'函数名：MakeRndPass
'作  用：生成随机密码
'参  数：passlen  ---- 要生成的密码长度
'参  数：passtype ---- 要生成的密码类型
'返回值：验证生成的随机密码
'类型解释：
'passfull       （所在可用字符 如“90!@#$%”）
'passnumber     （纯数字）
'passspecial    （非常用字符）
'passCharNumber （所有字母及数字）
'passUpperCharNumber （大写字母数字）
'passLowerCharNumber （小写字母数字）
'passChar       （所有大小写字母）
'passUpperChar  （所有大写字母）
'passLowerChar  （所有小写字母）
'示  例：MakeRndPass(4,"passUpperCharNumber")
'**************************************************
Public Function MakeRndPass(ByVal passlen,ByVal passtype)
  dim passFull,passNumber,passSpecial,passCharNumber,passChar,pass,passUpperCharNumber,passLowerCharNumber,passUpperChar,passLowerChar,ii,jj
  passFull = "1234567890!@#$%^&*()[];',./{}:?`~-=\_+|abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
  passNumber = "1234567890"
  passSpecial = "!@#$%^&*()[];',./{}:?`~-=\_+|"
  passCharNumber = "abcdefghijklmnopqrstuvwxyz1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ"
  passUpperCharNumber = "1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ"
  passLowerCharNumber = "abcdefghijklmnopqrstuvwxyz1234567890"
  passChar = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
  passUpperChar = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
  passLowerChar = "abcdefghijklmnopqrstuvwxyz"
  select case lcase(trim(passType))
  case "passfull"
        pass = passFull
  case "passnumber"
        pass = passNumber
  case "passspecial"
        pass = passSpecial
  case "passcharnumber"
        pass = passCharNumber
  case "passchar"
        pass = passChar
  case "passupperchar"
        pass = passUpperChar
  case "passlowerchar"
        pass = passLowerChar
  case "passuppercharnumber"
        pass = passUpperCharNumber
  case "passlowercharnumber"
        pass = passLowerCharNumber
  case else
        pass = passlowercharnumber
  end select
  makeRndPass=""
  for ii=1 to cint(passlen)
      randomize
      jj = int(rnd()*len(pass)+1)
      makeRndPass = cstr(makeRndPass) & mid(pass,jj,1)
  next
End Function

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