使用DevExpress的PdfViewer实现PDF打开、预览、另存为、打印(附源码下载)

淡淡的烟草味﹌ 2024-04-17 14:16 81阅读 0赞

## 场景 ##

Winform控件-DevExpress18下载安装注册以及在VS中使用：

[https://blog.csdn.net/BADAO\_LIUMANG\_QIZHI/article/details/100061243][https_blog.csdn.net_BADAO_LIUMANG_QIZHI_article_details_100061243]

参照以上将DevExpress安装并引进到工具箱。

这里使用的是VS2013所以安装的DevExpress是14版本。

### DevExpress14以及注册机下载 ###

[https://download.csdn.net/download/badao\_liumang\_qizhi/11608734][https_download.csdn.net_download_badao_liumang_qizhi_11608734]

### 效果 ###

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0JBREFPX0xJVU1BTkdfUUlaSEk_size_16_color_FFFFFF_t_70][]

## 实现 ##

### 项目搭建 ###

新建winfom程序，然后拖拽一个Pdfvieerr控件。然后添加一个Button按钮。

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0JBREFPX0xJVU1BTkdfUUlaSEk_size_16_color_FFFFFF_t_70 1][]

### PDF打开与预览实现 ###

双击进入Button按钮的点击事件中

private void simpleButton2_Click(object sender, EventArgs e)
            {
                //打开pdf文件，并获取文件路径
                string filePath = FileDialogHelper.OpenPdf();
                //如果不为空
                if (!string.IsNullOrEmpty(filePath))
                {
                    //加载预览  其中pdfViewer1 与控件的name相对应
                    this.pdfViewer1.LoadDocument(filePath);
                }
            }

然后新建FileDialogHelper工具类，实现选择打开文件并返回路径的功能。

using System;
    using System.Collections.Generic;
    using System.Linq;
    using System.Text;
    using System.Threading.Tasks;
    using System.Windows.Forms;
    
    namespace PDFExport
    {
        class FileDialogHelper
        {
            public static string OpenPdf() {
           
                OpenFileDialog fileDialog = new OpenFileDialog();
                fileDialog.Multiselect = true;
                fileDialog.Title = "请选择文件";
                fileDialog.Filter = "所有文件(*pdf*)|*.pdf*"; //设置要选择的文件的类型
                if (fileDialog.ShowDialog() == DialogResult.OK)
                {
                    return fileDialog.FileName;//返回文件的完整路径               
                }
                else {
                    return null;
                }
    
            }
        }
    }

### PDF另存为实现 ###

在窗体上再拖拽一个Button，双击进入其点击事件中。

private void simpleButton1_Click_1(object sender, EventArgs e)
            {
    
                this.pdfViewer1.SaveDocument(@"D:\PDF\A.pdf");
            }

注：

调用自带的SaveDocument()方法，这里传递的是保存的路径。

其还有个重载方法：

public void SaveDocument(Stream stream);

### 效果 ###

###  ###

### ![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0JBREFPX0xJVU1BTkdfUUlaSEk_size_16_color_FFFFFF_t_70 2][] ###

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0JBREFPX0xJVU1BTkdfUUlaSEk_size_16_color_FFFFFF_t_70 3][]

###  ###

### 打印PDF实现 ###

再拖拽一个按钮，双击进入其点击事件中。

private void simpleButton3_Click(object sender, EventArgs e)
            {
                this.pdfViewer1.Print();
            }

### 效果 ###

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0JBREFPX0xJVU1BTkdfUUlaSEk_size_16_color_FFFFFF_t_70 4][]

## 源码下载 ##

[https://download.csdn.net/download/badao\_liumang\_qizhi/11617199][https_download.csdn.net_download_badao_liumang_qizhi_11617199]

###     ###

[https_blog.csdn.net_BADAO_LIUMANG_QIZHI_article_details_100061243]: https://blog.csdn.net/BADAO_LIUMANG_QIZHI/article/details/100061243
[https_download.csdn.net_download_badao_liumang_qizhi_11608734]: https://download.csdn.net/download/badao_liumang_qizhi/11608734
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[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0JBREFPX0xJVU1BTkdfUUlaSEk_size_16_color_FFFFFF_t_70 1]: https://image.dandelioncloud.cn/pgy_files/images/2024/04/17/11e2d15dd21647e79776828bb5f308c1.jpg
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0JBREFPX0xJVU1BTkdfUUlaSEk_size_16_color_FFFFFF_t_70 2]: https://image.dandelioncloud.cn/pgy_files/images/2024/04/17/285de8d065ce440ca5d8f758413a9b88.jpg
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0JBREFPX0xJVU1BTkdfUUlaSEk_size_16_color_FFFFFF_t_70 3]: https://image.dandelioncloud.cn/pgy_files/images/2024/04/17/22f8f23318244f9785b0236bc799b5dc.jpg
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0JBREFPX0xJVU1BTkdfUUlaSEk_size_16_color_FFFFFF_t_70 4]: https://image.dandelioncloud.cn/pgy_files/images/2024/04/17/ca8f3ca9a41d426395c4a500ddd55dd5.jpg
[https_download.csdn.net_download_badao_liumang_qizhi_11617199]: https://download.csdn.net/download/badao_liumang_qizhi/11617199