http://www.jb51.net/dll/ABCpdf6.dll.html

ABCpdf.dll 下载这个dll放到bin文件夹里面

using WebSupergoo.ABCpdf6;
using System.Text.RegularExpressions;
using System.IO;

public void getPdf(string pdf, string name, string group)
    {
        Random r = new Random();
        Doc theDoc = new Doc();
        theDoc.TopDown = true;
        theDoc.Rect.String = "40 50 990 1450";//控制显示的大小205 300 632 895
        theDoc.MediaBox.String = "0 0 990 1500";//控制页面的大小
        string reg = @"\<a id\=(.)+\</a\>";//这段正则主要是去掉页面中自己不需要显示的东西
        string reg1 = @"body\{(.)+\}";
        string temp =Regex.Replace(Regex.Replace(getHtml(pdf), reg1, ""), reg, "");
        temp = temp.Replace("","");
      
        int theID = theDoc.AddImageHtml(temp, true, 0, false);
        while (true)
        {
            if (!theDoc.Chainable(theID))
            {
                break;
            }
            theDoc.Page = theDoc.AddPage();
            theID = theDoc.AddImageToChain(theID);
        }
        byte[] theData = theDoc.GetData();
        FileCreate(name, theData);
        if (File.Exists(HttpContext.Current.Server.MapPath("/uploads/pdfFile/" + name + ".pdf")))
        {
             Response.Redirect("/uploads/"+name+".pdf");
        }
        else
        {
            //对不起,文件未找到
        }
    }