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Js Code for reading local excel document data

Source: Internet
Author: User
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Copy codeThe Code is as follows:
<Script>
Function readThis (){
Var tempStr = "";
Var filePath = document. all. upfile. value;
Var oXL = new ActiveXObject ("Excel. application ");
Var oWB = oXL. Workbooks. open (filePath );
OWB. worksheets (1). select ();
Var oSheet = oWB. ActiveSheet;
Try {
For (var I = 2; I <46; I ++ ){
If (oSheet. Cells (I, 2). value = "null" | oSheet. Cells (I, 3). value = "null ")
Break;
Var a = oSheet. Cells (I, 2). value. toString () = "undefined "? "": OSheet. Cells (I, 2). value;
TempStr + = ("" + oSheet. Cells (I, 2). value +
"" + OSheet. Cells (I, 3). value +
"" + OSheet. Cells (I, 4). value +
"" + OSheet. Cells (I, 5). value +
"" + OSheet. Cells (I, 6). value + "\ n ");
}
} Catch (e ){
// Alert (e );
Document.all.txt Area. value = tempStr;
}
Document.all.txt Area. value = tempStr;
OXL. Quit ();
CollectGarbage ();
}
</Script>
<Html>
<Input type = "file" id = "upfile"/> <input type = "button" onclick = "readThis ();" value = "read">
<Br>
<Textarea id = "txtArea" cols = 50 rows = 10> </textarea>
</Html>

The above code can run normally only when the security level of IE is set to a low level. The main reason is that you can learn this technology.

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