cyf
258 lines
9.6 KiB
C#
258 lines
9.6 KiB
C#
using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Data;
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using System.Drawing;
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using System.Drawing.Printing;
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using System.IO;
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using System.Linq;
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using System.Text;
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using System.Windows.Forms;
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namespace Lskj.MyControl
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{
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public partial class FrmSelectDownload : Form
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{
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public string FileName = string.Empty;
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public string URL = string.Empty;
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public bool isBatchDownLoad = false;
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public FrmSelectDownload()
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{
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InitializeComponent();
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}
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/// <summary>
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/// 初始加载
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/// </summary>
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/// <param name="sender"></param>
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/// <param name="e"></param>
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private void FrmSelectDownload_Load(object sender, EventArgs e)
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{
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try
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{
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if (!isBatchDownLoad) this.Opacity = 100D;
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this.labUrl.Text = URL;
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this.labName.Text = FileName;
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string FOLDER_NAME = isBatchDownLoad ? "BatchPrintFile" : "TempFolder";
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this.labAddress.Text = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, FOLDER_NAME, FileName);//设置默认路径
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if (isBatchDownLoad) this.btnDownload.PerformClick();
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}
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catch (Exception ex)
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{
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}
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}
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/// <summary>
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/// 点击预览筛选文件位置
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/// </summary>
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/// <param name="sender"></param>
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/// <param name="e"></param>
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private void btnPreview_Click(object sender, EventArgs e)
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{
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try
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{
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SaveFileDialog saveFileDialog = new SaveFileDialog();
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saveFileDialog.FileName = FileName;
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saveFileDialog.Title = "下载模板文件到";
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saveFileDialog.RestoreDirectory = true;
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//点了保存按钮进入
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if (saveFileDialog.ShowDialog() == DialogResult.OK)
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{
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string localFilePath = labAddress.Text = System.IO.Path.GetFullPath(saveFileDialog.FileName);//获得文件路径，含文件名
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labName.Text = localFilePath.Substring(localFilePath.LastIndexOf("\\") + 1);//获取文件名，不带路径
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}
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}
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catch (Exception ex)
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{
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}
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}
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/// <summary>
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/// 点击下载附件
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/// </summary>
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/// <param name="sender"></param>
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/// <param name="e"></param>
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private void btnDownload_Click(object sender, EventArgs e)
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{
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try
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{
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if (string.IsNullOrEmpty(labUrl.Text))
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{
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MessageBox.Show("请填下载的地址！");
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return;
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}
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if (string.IsNullOrEmpty(labName.Text))
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{
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MessageBox.Show("请填写下载的文件名称！");
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return;
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}
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if (string.IsNullOrEmpty(labAddress.Text))
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{
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MessageBox.Show("请选择下载路径！");
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return;
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}
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FrmDownload frm = new FrmDownload(labUrl.Text, labName.Text, labAddress.Text);
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frm.isBatchPrind = isBatchDownLoad;
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if (frm.ShowDialog() == DialogResult.OK)
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{
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frm.Dispose();
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if (isBatchDownLoad)
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{
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PrintFile(labAddress.Text);
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File.Delete(labAddress.Text);
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}
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this.Close();
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}
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}
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catch (Exception ex)
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{
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this.Close();
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}
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}
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/// <summary>
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/// 直接打开下载附件
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/// </summary>
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/// <param name="sender"></param>
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/// <param name="e"></param>
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private void btnOpen_Click(object sender, EventArgs e)
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{
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try
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{
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if (string.IsNullOrEmpty(labUrl.Text))
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{
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MessageBox.Show("请填下载的地址！");
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return;
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}
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if (string.IsNullOrEmpty(labName.Text))
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{
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MessageBox.Show("请填写下载的文件名称！");
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return;
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}
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if (string.IsNullOrEmpty(labAddress.Text))
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{
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MessageBox.Show("请选择下载路径！");
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return;
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}
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//FrmDownload frm = new FrmDownload(labUrl.Text, labName.Text, labAddress.Text, true);
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//if (frm.ShowDialog() == DialogResult.OK)
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//{
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// this.Close();
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//}
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}
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catch (Exception ex)
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{
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}
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}
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/// <summary>
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/// 关闭下载界面
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/// </summary>
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/// <param name="sender"></param>
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/// <param name="e"></param>
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private void btnClose_Click(object sender, EventArgs e)
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{
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this.Close();
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}
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private void PrintFile(string filePath)
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{
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bool isPic = false;//是否为图片
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Stream fs = null;
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Image img = null;
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try
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{
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fs = new FileStream(filePath, FileMode.Open, FileAccess.Read);
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img = Image.FromFile(filePath);
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isPic = true;
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}
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catch (Exception)
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{
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isPic = false;
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}
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finally
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{
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if (fs != null)
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fs.Close();
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if (img != null)
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img.Dispose();
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}
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if (isPic)
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{
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PrintDocument docToPrint = new PrintDocument();
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docToPrint.PrintPage += new System.Drawing.Printing.PrintPageEventHandler(PicToPrint_PrintPage);
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docToPrint.DefaultPageSettings.PrinterSettings.DefaultPageSettings.PaperSize = new PaperSize { Width = 583, Height = 827, PaperName = "A5" };
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PrintDialog printDialog = new PrintDialog();
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printDialog.ShowDialog();
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docToPrint.Print();
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}
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else
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{
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if (Path.GetExtension(filePath).Equals(".doc", StringComparison.CurrentCultureIgnoreCase) || Path.GetExtension(filePath).Equals(".docx", StringComparison.CurrentCultureIgnoreCase))//word文档
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{
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Spire.Doc.Document doc = new Spire.Doc.Document();
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doc.LoadFromFile(filePath);
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Spire.Doc.Section sec = doc.Sections[0];
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sec.PageSetup.PageSize = Spire.Doc.Documents.PageSize.A5;
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PrintDocument printDoc = doc.PrintDocument;
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printDoc.Print();
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}
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else if (Path.GetExtension(filePath).Equals(".xls", StringComparison.CurrentCultureIgnoreCase) || Path.GetExtension(filePath).Equals(".xlsx", StringComparison.CurrentCultureIgnoreCase))//excel文档
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{
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Spire.Xls.Workbook workbook = new Spire.Xls.Workbook();
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workbook.LoadFromFile(filePath);
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foreach (Spire.Xls.Worksheet worksheet in workbook.Worksheets)
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{
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worksheet.PageSetup.PaperSize = Spire.Xls.PaperSizeType.PaperA5;
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worksheet.PageSetup.FitToPagesTall = 0;
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worksheet.PageSetup.FitToPagesWide = 1;
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}
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PrintDocument printDoc = workbook.PrintDocument;
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printDoc.Print();
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}
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else if (Path.GetExtension(filePath).Equals(".pdf", StringComparison.CurrentCultureIgnoreCase))
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{
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Spire.Pdf.PdfDocument pdfDocument = new Spire.Pdf.PdfDocument();
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pdfDocument.LoadFromFile(filePath);
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pdfDocument.Print();
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}
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else if (Path.GetExtension(filePath).Equals(".txt", StringComparison.CurrentCultureIgnoreCase))
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{
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Spire.Doc.Document doc = new Spire.Doc.Document();
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doc.LoadFromFile(filePath);
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Spire.Doc.Section sec = doc.Sections[0];
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sec.PageSetup.PageSize = Spire.Doc.Documents.PageSize.A5;
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PrintDocument printDoc = doc.PrintDocument;
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printDoc.Print();
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}
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}
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}
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private void PicToPrint_PrintPage(object sender, System.Drawing.Printing.PrintPageEventArgs e)
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{
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if (!string.IsNullOrEmpty(this.labAddress.Text))
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{
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//图片抗锯齿
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e.Graphics.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
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Stream fs = new FileStream(this.labAddress.Text, FileMode.Open, FileAccess.Read);
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System.Drawing.Image i = System.Drawing.Image.FromStream(fs);//转换为 IMAGE
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fs.Close();
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Rectangle m = e.MarginBounds;
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if ((double)i.Width / (double)i.Height > (double)m.Width / (double)m.Height) // image is wider
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{
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m.Height = (int)((double)i.Height / (double)i.Width * (double)m.Width);
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}
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else
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{
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m.Width = (int)((double)i.Width / (double)i.Height * (double)m.Height);
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}
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e.Graphics.DrawImage(i, m);
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i.Dispose();
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e.HasMorePages = false;
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}
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}
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}
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}
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