Hi there,
I am retrieving binary data from a postgres database and display it in the
browser as data-value in an image tag like this:
function(req,res,params)
{
var aPrefkey = params;
var querystring = 'SELECT * FROM qmcustomerdata WHERE prefkey=\'' +
aPrefkey.prefkey + '\'';
dbop.query('','',querystring,function(err,aResult){
var firstItem = aResult[0];
if (typeof firstItem['dataval']!='undefined' && firstItem['dataval']!=null
&& firstItem['dataval'].length>0){
var xb = new Buffer(firstItem['dataval']).toString('base64');
var tt = firstItem['textval'];
var holdt = tt.split('/');
var ft = holdt[1];
var aName = 'asdasdasd' + '.' + ft;
res.writeHead(200);
res.write('<img ' + firstItem['generic_params'] + ' src="' + 'data:' + tt +
';base64,' + xb + '" />','binary');
res.end();
} else {
res.writeHead(200);
res.write(firstItem['textval']);
res.end();
}
});
}
The data does get displayed, and the resulting image tag looks correct with
all the stuff I need, but the browser displays it like that, as a tag with
the characters inside and not as an image, it's just an image tag with base
64data in the browser window then.
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