base64的favicon.ico
app.use('/favicon.ico', function(req, res, next) {
res.writeHead('200', {
'Content-Type': 'image/x-icon'
}) //写http头部信息
res.end(new Buffer([
'AAABAAEAEBAAAAEAIABoBAAAFgAAACgAAAAQAAAAIAAAAAEAIAAAAAAAQAQAAAAAAAAAAAAAAAAAAA',
'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAANagAI',
'rWoADz1qAA/9agAP/WoAD/1qAA/9agAP/WoAD/1qAA/9agAP/WoAD/1qAA/9agAPPWoACKAAAAANagAIrWoAD/1qAA/9agAP/WoA',
'D/1qAA/9agAP/WoAD/1qAA/9agAP/WoAD/1qAA/9agAP/WoAD/1qAA/9agAIrWoAD/1qAA/9agAEfWoAAN1qAADdagAA3WoAAN1q',
'AADdagAA3WoAAN1qAADdagAA3WoAAN1qAAR9agAP/WoAD/1qAA/9agAP8AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA',
'AAAAAAAAAAAAAAAAAAAADWoAD/1qAA/9agAP/WoAD/1qAADQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA',
'DWoAAN1qAA/9agAP/WoAD/1qAA/9agAAQAAAAA1qAAz9agAM/WoAAEAAAAAAAAAADWoAAE1qAAz9agAM8AAAAA1qAABNagAP/WoA',
'D/1qAA/9agAP8AAAAAAAAAANagAP/WoAD/1qAADQAAAAAAAAAA1qAADdagAP/WoAD/AAAAAAAAAADWoAD/1qAA/9agAP/WoAD/1q',
'AABAAAAADWoADP1qAAz9agAAQAAAAAAAAAANagAATWoADP1qAAzwAAAADWoAAE1qAA/9agAP/WoAD/1qAA/wAAAAAAAAAAAAAAAA',
'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAANagAP/WoAD/1qAA/9agAP/WoABH1qAADQAAAAAAAAAA1qAADdagAA',
'3WoAAN1qAADQAAAAAAAAAA1qAADdagAEfWoAD/1qAA/9agAIrWoAD/1qAA/9agAP/WoADy1qAA8tagAP/WoAD/1qAA/9agAP/WoA',
'Dy1qAA8tagAP/WoAD/1qAA/9agAIoAAAAA1qAAitagAPDWoADz1qAA/9agAP/WoAD/1qAA/9agAP/WoAD/1qAA/9agAP/WoADz1q',
'AA8NagAIoAAAAAAAAAAAAAAADWoAAN1qAAr9agAP/WoADz1qAAQNagAA3WoAAN1qAAQNagAPPWoAD/1qAAr9agAA0AAAAAAAAAAA',
'AAAAAAAAAA1qAAJNagAP/WoAD/1qAAOAAAAAAAAAAAAAAAAAAAAADWoAA41qAA/9agAP/WoAAkAAAAAAAAAAAAAAAAAAAAANagAB',
'fWoACv1qAAcQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAANagAHHWoACv1qAAFwAAAAAAAAAA//8AAIABAAAAAAAAAAAAAD/8AAAf+A',
'AAEYgAADGMAAARiAAAP/wAAAwwAAAAAAAAgAEAAMADAADDwwAAx+MAAA=='
].join(''), 'base64'), 'binary')
})