Question

我正在尝试自动下载报告cell2mat。但是，该页面按需生成文件，下载URL将生成如下内容：

http://www.wesm.ph

是否可以实现自动化？谢谢。

Answer 1

此脚本将获取最新文件。

将$ folderPath设置为保存CSV的文件夹。

using System;
using Android.App;
using Android.Content;
using Android.Runtime;
using Android.Views;
using Android.Widget;
using Android.OS;
using Android.Print;
using Android.Graphics;
using Android.Print.Pdf;
using System.IO;

namespace PrintIMPORTteste
{
    [Activity (Label = "KitKatPrintDemo", Theme = "@android:style/Theme.Holo.Light")]
    public class PrintActivity : Activity
    {
        protected override void OnCreate (Bundle bundle)
        {
            base.OnCreate (bundle);
            SetContentView (Resource.Layout.Print);
            var txtview = FindViewById<TextView>(Resource.Id.textview1);
            txtview.Text = "Hello";
            var button = FindViewById<Button> (Resource.Id.button1);
            button.Click += (object sender, EventArgs e) => {
                var printManager = (PrintManager)GetSystemService (Context.PrintService);
                var content = FindViewById<LinearLayout> (Resource.Id.linearLayout1);
                var printAdapter = new GenericPrintAdapter (this, content);
                printManager.Print ("MyPrintJob", printAdapter, null);
            };
        }
    }

    public class GenericPrintAdapter : PrintDocumentAdapter
    {
        View view;
        Context context;
        PrintedPdfDocument document;
        float scale;

        public GenericPrintAdapter (Context context, View view)
        {
            this.view = view;
            this.context = context;
        }

        public override void OnLayout (PrintAttributes oldAttributes, PrintAttributes newAttributes, 
                                       CancellationSignal cancellationSignal, LayoutResultCallback callback, Bundle extras)
        {
            document = new PrintedPdfDocument (context, newAttributes);

            CalculateScale (newAttributes);

            var printInfo = new PrintDocumentInfo
                .Builder ("MyPrint.pdf")
                .SetContentType (PrintContentType.Document)
                .SetPageCount (1)
                .Build ();

            callback.OnLayoutFinished (printInfo, true);
        }

        void CalculateScale (PrintAttributes newAttributes)
        {
            int dpi = Math.Max (newAttributes.GetResolution ().HorizontalDpi, newAttributes.GetResolution ().VerticalDpi);

            int leftMargin = (int)(dpi * (float)newAttributes.MinMargins.LeftMils / 1000);
            int rightMargin = (int)(dpi * (float)newAttributes.MinMargins.RightMils / 1000);
            int topMargin = (int)(dpi * (float)newAttributes.MinMargins.TopMils / 1000);
            int bottomMargin = (int)(dpi * (float)newAttributes.MinMargins.BottomMils / 1000);

            int w = (int)(dpi * (float)newAttributes.GetMediaSize ().WidthMils / 1000) - leftMargin - rightMargin;
            int h = (int)(dpi * (float)newAttributes.GetMediaSize ().HeightMils / 1000) - topMargin - bottomMargin;

            scale = Math.Min ((float)document.PageContentRect.Width () / w, (float)document.PageContentRect.Height () / h);
        }

        public override void OnWrite (PageRange[] pages, ParcelFileDescriptor destination, 
                                      CancellationSignal cancellationSignal, WriteResultCallback callback)
        {
            PrintedPdfDocument.Page page = document.StartPage (0);

            page.Canvas.Scale (scale, scale);

            view.Draw (page.Canvas);

            document.FinishPage (page);

            WritePrintedPdfDoc (destination);

            document.Close ();

            document.Dispose ();

            callback.OnWriteFinished (pages);
        }

        void WritePrintedPdfDoc (ParcelFileDescriptor destination)
        {
            var javaStream = new Java.IO.FileOutputStream (destination.FileDescriptor);
            var osi = new OutputStreamInvoker (javaStream);
            using (var mem = new MemoryStream ()) {
                document.WriteTo (mem);
                var bytes = mem.ToArray ();
                osi.Write (bytes, 0, bytes.Length);
            }
        }
    }
}

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每个黑曜石时代的评论

Encode the URL。

并使用labels尽早摆脱循环。

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1 个答案: