Try it:
model:
define_table("YOURTABLE",Field(data,"text"))
controller:
def update():
return db.*YOURTABLE*.insert(data = request.vars.data)
Vào 17:27:14 UTC+7 Thứ bảy, ngày 12 tháng mười năm 2013, Ruud Schroen đã
viết:
>
> I keep getting this error: GET
> http://localhost:8000/ezwireframes/wireframe/update/1?data=data%3Aimage%2Fp…BQpYBSsMrLbtEECBAgQIAAAQIECBAgQIAAAQI1C%2FwGTQp2HFGzKI0AAAAASUVORK5CYII%3D<http://localhost:8000/ezwireframes/wireframe/update/1?data=data%3Aimage%2Fpng%3Bbase64%2CiVBORw0KGgoAAAANSUhEUgAABQUAAAATCAYAAAApt2shAAAD3UlEQVR4Xu3dS4hNYQAH8JkaG4%2BkrGSBsPFI5FXKlJUdMmVhZyOvIisLRCkLCVGTrCjlUWwopSyUiDwiJUpJNhZSiCj%2Fr86UJmbm2pxu32%2Fq3zd3zjn3fN%2FvnNW%2FM%2Ff29vghQIAAAQIECBAgQIAAAQIECBAgQKAqgd6qVmuxBAgQIECAAAECBAgQIECAAAECBAj0KAXdBAQIECBAgAABAgQIECBAgAABAgS6T2Btprw7mZvMSIa%2FHnFFSsHuu%2BBmTIAAAQIECBAgQIAAAQIECBAg0J0CazLt7cn65HYymFxOJiSHks3Nsi5k3J98GWWZO7J9bzKj2W%2F4638erhTszhvIrAkQIECAAAECBAgQIECAAAECBLpTYFGm%2FTgpxeC1YUu407zuH%2BPSlIJjhLIbAQIECBAgQIAAAQIECBAgQIAAgTYFlIJt6js3AQIECBAgQIAAAQIECBAgQIAAgRYEOi0FZ2WOJ5PvybTkfHKmmfdoTwrOzH4nkr7kZ%2FMeuzJ%2B8O%2FDLVx5pyRAgAABAgQIECBAgAABAgQIEKhWoJNSsHR3T5OzyalkevI26U%2FuJqOVgg%2Byz43kYKN9LOOqZLlSsNr7z8IJECBAgAABAgQIECBAgAABAgRaEBgqBV%2Fk3B%2BHnb9se9KUfmXTkuRhUsrA982%2BrzKWpwUPJyOVgouz%2FVEyO3nTHDsv4%2FPyvkrBFq68UxIgQIAAAQIECBAgQIAAAQIECFQr0MmTghuidDW5kvxqxErJdzEpT%2F2NVAoOZPulpHyz8dfm2EkZPycDSsFq7z8LJ0CAAAECBAgQIECAAAECBAgQaEHgf0rBKZnnp7%2FMdaRScGP2v5xMTL40x05u3mejUrCFK%2B%2BUBAgQIECAAAECBAgQIECAAAEC1Qp0UgoujVL5XMAVyf0OS8Gh88zJca%2BbYxdkfJYsUgpWe%2F9ZOAECBAgQIECAAAECBAgQIECAQAsCnZSCpbt7mbxL1iXlib%2Fyt3HJj2S0Lxq5l31uJQeadR7PWArGlUrBFq68UxIgQIAAAQIECBAgQIAAAQIECFQpsDqr3ppsSm4mg8n1ZHyyL9nSqJzLeCQpnwW4MDmdzE8%2BJOULSvYk5am%2FMi5LjialPNz2x%2BsT%2BX1qUr61uJSIfcm3ZGfyVilY5f1n0QQIECBAgAABAgQIECBAgAABAjULKAVrvvrWToAAAQIECBAgQIAAAQIECBAgUKWAUrDKy27RBAgQIECAAAECBAgQIECAAAECNQsoBWu%2B%2BtZOgAABAgQIECBAgAABAgQIECBQpYBSsMrLbtEECBAgQIAAAQIECBAgQIAAAQI1C%2FwGTQp2HFGzKI0AAAAASUVORK5CYII%3D>500
> (INTERNAL SERVER ERROR)
>
> On Saturday, October 12, 2013 3:48:33 AM UTC+2, IVINH wrote:
>>
>> You can try it:
>>
>> in view:
>>
>>
>> function update() {
>> var url = '{{=URL(f="update",args=request.args,vars=request.vars)}}';
>> var data = document.getElementById('drawcomment').toDataURL("image/png");
>> $.ajax({
>> url: url,
>> type: "GET",
>> data: {'data':data},
>> success: function (html) {
>> $('#results').html(html);
>> }
>> });
>> return false;
>> }
>>
>> in controller:
>>
>>
>> def update():
>> return db().insert(data = request.vars.data)
>>
>>
>> Vào 04:32:53 UTC+7 Thứ bảy, ngày 12 tháng mười năm 2013, Ruud Schroen đã
>> viết:
>>>
>>> Hi,
>>>
>>> I am creating a app which uses html2canvas to create a screenshot of all
>>> content inside a specific div. It generates a canvas which acts as the
>>> screenshot. Now it is also possible to generate a image which you can
>>> download directly.
>>>
>>> This is the javascript code which will be used:
>>>
>>>
>>> 1. html2canvas(document.div, {
>>> 2. onrendered: function(canvas) {
>>> 3. /* Do something*/
>>> 4. }
>>> 5. });
>>>
>>>
>>> Is it possible to save this canvas as a image to a db record?
>>>
>>
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