تصدير ورقة عمل إلى PNG من Excel

# For complete examples and data files, please go to https://github.com/aspose-cells-cloud/aspose-cells-cloud-ruby/
    describe 'cells_save_as_post_document_save_as test' do
        it "should work" do
            @instance = AsposeCellsCloud::LiteCellsApi.new($client_id,$client_secret,"v3.0","https://api.aspose.cloud/")
            files = {}      
            name = $DataSourceXlsx
            files[name] = ::File.open(File.expand_path("data/"+name),"r") 
            name =$AssemblyTestXlsx 
            files[name] = ::File.open(File.expand_path("data/"+name),"r")
            format = 'png'
            objectType =  'worksheet'
            result = @instance.post_export(files  ,objectType ,format)    
        end
    end