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IE6+ AJAX (fixes #88)

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This commit is contained in:
SheetJS 2014-07-28 13:45:23 -04:00
parent ba8bfe5b09
commit 7fee330e32
2 changed files with 41 additions and 4 deletions
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8
ajax.html
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@ -18,6 +18,7 @@
<b>JS-XLSX AJAX Demo</b><br />
<pre id="out"></pre>
<br />
<script src="iemagic.js"></script>
<script src="shim.js"></script>
<script src="jszip.js"></script>
<script src="xlsx.js"></script>
@ -61,11 +62,10 @@ if(typeof Uint8Array !== 'undefined') {
process_wb(wb);
};
} else {
oReq.setRequestHeader("Accept-Charset", "x-user-defined");
oReq.onreadystatechange = function() { if(oReq.readyState == 4 && oReq.status == 200) {
var data = new VBArray(oReq.responseBody).toArray();
var arr = new Array();
for(var i = 0, len = data.length; i != len; ++i) arr[i] = String.fromCharCode(data[i]);
var wb = XLSX.read(arr.join(""), {type:"binary"});
var ff = convertResponseBodyToText(oReq.responseBody);
var wb = XLSX.read(ff, {type:"binary"});
process_wb(wb);
} };
}

37
iemagic.js Normal file
View File

@ -0,0 +1,37 @@
// http://stackoverflow.com/a/5913807
if(/msie/i.test(navigator.userAgent) && !/opera/i.test(navigator.userAgent)) {
var IEBinaryToArray_ByteStr_Script =
"<!-- IEBinaryToArray_ByteStr -->\r\n"+
"<script type='text/vbscript'>\r\n"+
"Function IEBinaryToArray_ByteStr(Binary)\r\n"+
" IEBinaryToArray_ByteStr = CStr(Binary)\r\n"+
"End Function\r\n"+
"Function IEBinaryToArray_ByteStr_Last(Binary)\r\n"+
" Dim lastIndex\r\n"+
" lastIndex = LenB(Binary)\r\n"+
" if lastIndex mod 2 Then\r\n"+
" IEBinaryToArray_ByteStr_Last = Chr( AscB( MidB( Binary, lastIndex, 1 ) ) )\r\n"+
" Else\r\n"+
" IEBinaryToArray_ByteStr_Last = "+'""'+"\r\n"+
" End If\r\n"+
"End Function\r\n"+
"</script>\r\n";
// inject VBScript
document.write(IEBinaryToArray_ByteStr_Script);
}
var convertResponseBodyToText = function (binary) {
var byteMapping = {};
for ( var i = 0; i < 256; i++ ) {
for ( var j = 0; j < 256; j++ ) {
byteMapping[ String.fromCharCode( i + j * 256 ) ] =
String.fromCharCode(i) + String.fromCharCode(j);
}
}
var rawBytes = IEBinaryToArray_ByteStr(binary);
var lastChr = IEBinaryToArray_ByteStr_Last(binary);
return rawBytes.replace(/[\s\S]/g,
function( match ) { return byteMapping[match]; }) + lastChr;
};