WEBS上自动下载控件的实现方法

例子代码如下所示:

<SCRIPT LANGUAGE="VBScript">
<!–

Function OCXTest()
OCXTest = 1
dim ocx
on error resume next
err.clear
set ocx = createobject("I_FLEXGRID.FlexGridCtrl.2")
set ocx = nothing
if err <> 0 then
OCXTest = 0
err.clear
exit function
end if
set ocx = createobject("LEDGER50_I.Ledger50Ctrl_I.1")
set ocx = nothing
if err <> 0 then
OCXTest = 0
err.clear
exit function
end if

End function

//–>
</SCRIPT>

<Script language="JavaScript">

  var setup = OCXTest();

  if (setup==0) //客户端未安装控件,打开自解压包的链接提示用户下载安装
  {
  window.open("cab/instgb.exe");
  window.open("cab/dssview.exe");

  }

</script>

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