asp.net core调用wps实现word转pdf的过程-牛翰网

安装wps

https://www.wps.cn/

创建.net core控制项目

添加com引用，搜索wps

准备word，名字叫001.docx

word转pdf

编写代码

namespace WPSStu01
{
    internal class Program
    {
        static void Main(string[] args)
        {
            Console.WriteLine("转化开始");
            var inputFile = "001.docx";
            var outputFile = "001.pdf";
            WordExportAsPdf(inputFile, outputFile);
            Console.WriteLine("转化成功");
            Console.ReadKey();
        }
        /// <summary>
        /// 转换为pdf文件，适合（.doc、.docx、.mht、.htm文件类型）
        /// </summary>
        /// <param name="fileName"></param>
        /// <param name="outputFileName"></param>
        /// <returns></returns>
        public static string WordExportAsPdf(string fileName, string outputFileName)
        {
            string isSucceed = "OK";
            Word.WdExportFormat fileFormat = Word.WdExportFormat.wdExportFormatPDF;
            Word.Application wordApp = null;
            if (wordApp == null) wordApp = new Word.Application();
            Word._Document wordDoc = null;
            try
            {
                wordDoc = wordApp.Documents.Open(fileName, false, true);
                wordDoc.ExportAsFixedFormat(outputFileName, fileFormat);
            }
            catch (Exception ex)
            {
                isSucceed = ex.Message;
            }
            finally
            {
                if (wordDoc != null)
                {
                    wordDoc.Close(false);
                    wordDoc = null;
                }
                if (wordApp != null)
                {
                    wordApp.Quit(false);
                    wordApp = null;
                }
            }
            return isSucceed;
        }
    }
}

启动项目报错

选择一下32位程序

发现还是不行，最后换成.net framework 4.8的控制台项目
添加dll的引用,dll需要去安装的wps里面查找

Console.WriteLine("转化开始");
var exePath = System.AppDomain.CurrentDomain.BaseDirectory;
var inputFile = Path.Combine(exePath, "001.docx");
var outputFile = Path.Combine(exePath, "001.pdf");
WordExportAsPdf(inputFile, outputFile);
Console.WriteLine("转化成功");
Console.ReadKey();

asp.net core也可以问题根本原因是路径的问题，不能些相对路径，必须绝对路径

excel转pdf

/// <summary>
/// Excel转换为pdf文件
/// </summary>
/// <param name="fileName"></param>
/// <param name="outputFileName"></param>
/// <returns></returns>
public static string ExcelExportAsPdf(string fileName, string outputFileName)
{
    string isSucceed = "OK";
    Excel.Application excelApp = null;
    if (excelApp == null)
        excelApp = new Excel.Application();
    Excel.Workbook workBook = null;
    try
    {
        workBook = excelApp.Workbooks.Open(fileName, false, true);
        workBook.ExportAsFixedFormat(Excel.XlFixedFormatType.xlTypePDF,outputFileName);
    }
    catch (Exception ex)
    {
        isSucceed = ex.Message;
    }
    finally
    {
        if (workBook != null)
        {
            workBook.Close(false);
            workBook = null;
        }
        if (excelApp != null)
        {
            excelApp.Quit();
            excelApp = null;
        }
    }
    return isSucceed;
}

调用

Console.WriteLine("转化开始");
var exePath = System.AppDomain.CurrentDomain.BaseDirectory;
var inputFile = Path.Combine(exePath, "002.xls");
var outputFile = Path.Combine(exePath, "002.pdf");
ExcelExportAsPdf(inputFile, outputFile);
Console.WriteLine("转化成功");
Console.ReadKey();

ppt转pdf

/// <summary>
/// PPT转换为pdf文件
/// </summary>
/// <param name="fileName"></param>
/// <param name="outputFileName"></param>
/// <returns></returns>
public static string PptExportAsPdf(string fileName, string outputFileName)
{
    string isSucceed = "OK";
    PowerPoint.Application pptApp = null;
    if (pptApp == null)
        pptApp = new PowerPoint.Application();
    PowerPoint.Presentation presentation = null;
    try
    {
        presentation = pptApp.Presentations.Open(fileName);
        presentation.ExportAsFixedFormat(outputFileName,PowerPoint.PpFixedFormatType.ppFixedFormatTypePDF);
    }
    catch (Exception ex)
    {
        isSucceed = ex.Message;
    }
    finally
    {
        if (pptApp != null)
        {
            presentation.Close();
            pptApp = null;
        }
        if (pptApp != null)
        {
            pptApp.Quit();
            pptApp = null;
        }
    }
    return isSucceed;
}

调用

Console.WriteLine("转化开始");
var exePath = System.AppDomain.CurrentDomain.BaseDirectory;
var inputFile = Path.Combine(exePath, "003.pptx");
var outputFile = Path.Combine(exePath, "003.pdf");
PptExportAsPdf(inputFile, outputFile);
Console.WriteLine("转化成功");
Console.ReadKey();

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