// 涉及命名空間
using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Data.SqlClient;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Drawing.Imaging;
using System.Web;
using System.Configuration;

// 方法
public void AddUser(string PersonName, string PersonEmail, string PersonSex, string PersonDOB, string PersonImage, string PersonImageType)
{
?string strImageType = userImage.PostedFile.ContentType;
?Stream ImageStream = userImage.PostedFile.InputStream;

?// 加水印----------------->
?string wImageFile = Server.MapPath("/bkwww/image/HomeSign.gif"); // 要加的水印圖
?Image sImage = Image.FromStream(ImageStream); // 從 Http 輸入流創建 image
?Image wImage = Image.FromFile(wImageFile);

?// 繪圖
?Graphics g = Graphics.FromImage(sImage);
?g.DrawImage(wImage, new Rectangle(0, 0, wImage.Width, wImage.Height), 0, 0, wImage.Width, wImage.Height, GraphicsUnit.Pixel);
??
?// 保存，并將 image 轉化為 byte[]
?MemoryStream ms=new MemoryStream();
?byte[] myImage=null;
?sImage.Save(ms, ImageFormat.Gif);
?myImage = ms.GetBuffer();
?//------------------------>
??

?// 寫入數據庫
?string strConn = ConfigurationSettings.AppSettings["ConnectionString"];
?SqlConnection myConnection = new SqlConnection(strConn);
?SqlCommand myCommand = new SqlCommand("sp_person_isp", myConnection);
?myCommand.CommandType = CommandType.StoredProcedure;

?myCommand.Parameters.Add("@PersonEmail", SqlDbType.VarChar, 255).Value = PersonEmail;
?myCommand.Parameters.Add("@PersonName", SqlDbType.VarChar, 255).Value = PersonName;
?myCommand.Parameters.Add("@PersonSex", SqlDbType.Char, 1);
?if(sexMale.Checked)
?myCommand.Parameters["@PersonSex"].Value = "M";
?else
?myCommand.Parameters["@PersonSex"].Value = "F";
?myCommand.Parameters.Add("@PersonDOB", SqlDbType.DateTime).Value = PersonDOB;
?myCommand.Parameters.Add("@PersonImage", SqlDbType.Image).Value = myImage;
?myCommand.Parameters.Add("@PersonImageType", SqlDbType.VarChar, 255).Value = ImageType;

?try
?{
?myConnection.Open();
?myCommand.ExecuteNonQuery();
?myConnection.Close();
?Response.Write("添加成功！");
?}
?catch(System.Exception SqlEx)
?{
?Response.Write("添加失敗！"+SqlEx.ToString());
?}
}

/*
?54tiger.cnblogs.com
???Copyright(c) 2006?《八零年代》?Function:將上傳的圖片添加防偽圖片水印，并將圖片直接寫入數據庫，不保留在硬盤。
*/

轉載于:https://www.cnblogs.com/54tiger/archive/2007/01/08/614548.html

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