singleblue's note

如题

已经找到解决方法，一直没时间传上来和大家分享一下，

使用的是itextsharp

    /// <summary>
    /// 合并PDF文件
    /// </summary>
    /// <param name="lstFiles">要合并的文件列表</param>
    /// <returns></returns>
    private bool MergePDF(List<string> lstFiles)
    {
        bool bReturn = false;
        try
        {
            int f = 1;
            PdfReader reader = new PdfReader(lstFiles[f]);           
            int n = reader.NumberOfPages;
            Document document = new Document(reader.GetPageSizeWithRotation(1));           
            PdfWriter writer = PdfWriter.GetInstance(document, new FileStream(lstFiles[0], FileMode.Create));           
            document.Open();
            PdfContentByte cb = writer.DirectContent;
            PdfImportedPage page;
            int rotation;
            while (f < lstFiles.Count)
            {
                int i = 0;
                while (i < n)
                {
                    i++;
                    document.SetPageSize(reader.GetPageSizeWithRotation(i));
                    document.NewPage();
                    page = writer.GetImportedPage(reader, i);
                    rotation = reader.GetPageRotation(i);
                    if (rotation == 90 || rotation == 270)
                    {
                        cb.AddTemplate(page, 0, -1f, 1f, 0, 0, reader.GetPageSizeWithRotation(i).Height);
                    }
                    else
                    {
                        cb.AddTemplate(page, 1f, 0, 0, 1f, 0, 0);
                    }
                }
                f++;
                if (f < lstFiles.Count)
                {
                    reader = new PdfReader(lstFiles[f]);                   
                    n = reader.NumberOfPages;                   
                }
            }
            document.Close();
            bReturn = true;           
        }
        catch
        {
            bReturn = false;           
        }
        return bReturn;
    }
}

ReportDocument rptDocument;
rptDocument.SetDataSource(myDS);
CrystalDecisions.Shared.ReportPageRequestContext rprc 
　　　　= new CrystalDecisions.Shared.ReportPageRequestContext();
int totalPCount = rptDocument.FormatEngine.GetLastPageNumber(rprc);

<!--
//学习一下如何利用js来操作cookie

//写入 cookie
//不区分 cookieName 的大小写
//不考虑子键
function WriteCookies(cookieName, cookieValue, expires)
{
    if (expires)
    {
        //指定了 expires
        document.cookie = 
            WriteCookies_GetCookieName(cookieName) + "=" + escape(cookieValue) 
            + "; expires=" + xpires.toGMTString();
    }
    else
    {
        document.cookie = WriteCookies_GetCookieName(cookieName) + "=" + escape(cookieValue);
    }
}

//获取并返回与 cookieName 同名的 cookie 名称，允许大小写不同
//如果不存在这样的 cookie，就返回 cookieName
function WriteCookies_GetCookieName(cookieName)
{
    var lowerCookieName = cookieName.toLowerCase();
    var cookieStr = document.cookie;
   
    if (cookieStr == "")
    {
        return cookieName;
    }
   
    var cookieArr = cookieStr.split("; ");
    var pos = -1;
    for (var i=0; i<cookieArr.length; i++)
    {
        pos = cookieArr[i].indexOf("=");
        if (pos > 0)
        {
            if (cookieArr[i].substring(0, pos).toLowerCase() == lowerCookieName)
            {
                return cookieArr[i].substring(0, pos);
            }
        }
    }
   
    return cookieName;
}

//获取并返回 cookie 值
//不区分 cookieName 的大小写
//dfltValue 为默认返回值
//不考虑子键
function ReadCookies(cookieName, dfltValue)
{
    var lowerCookieName = cookieName.toLowerCase();
    var cookieStr = document.cookie;
   
    if (cookieStr == "")
    {
        return dfltValue;
    }
   
    var cookieArr = cookieStr.split("; ");
    var pos = -1;
    for (var i=0; i<cookieArr.length; i++)
    {
        pos = cookieArr[i].indexOf("=");
        if (pos > 0)
        {
            if (cookieArr[i].substring(0, pos).toLowerCase() == lowerCookieName)
            {
                return unescape(cookieArr[i].substring(pos+1, cookieArr[i].length));
            }
        }
    }
   
    return dfltValue;
}

//test all the oper

document.write("写入名称为 cv 的 cookie...<br>");
WriteCookies("test", "test123", null);

document.write("写入名称为 Ab，带失效日期的 cookie...<br>");
var expires = new Date("December 11, 2010");
WriteCookies("singleblue", "test234", expires);

document.write("读取名称为 singleblue 的 cookie..." + ReadCookies("ab", ""));
-->