using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using System.IO;
![](/Images/OutliningIndicators/None.gif)
namespace MikeCat
![](/Images/OutliningIndicators/ExpandedBlockStart.gif)
![](/Images/OutliningIndicators/ContractedBlock.gif)
{
![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
/**//// <summary>
/// MikeCat_WaterMark 的摘要说明。
/// *******************************
/// 作者:迈克老猫
/// 功能:上传图片加入水印
/// EMAIL:mikecat#mikecat.net
/// *******************************
/// </summary>
public class MikeCat_WaterMark : System.Web.UI.Page
![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
protected System.Web.UI.WebControls.Button Button1;
protected System.Web.UI.HtmlControls.HtmlInputFile File1;
protected System.Web.UI.WebControls.Image Image1;
protected System.Web.UI.WebControls.RequiredFieldValidator RequiredFieldValidator1;
protected System.Web.UI.WebControls.Label Label1;
protected System.Web.UI.WebControls.Button Button2;
private void Page_Load(object sender, System.EventArgs e)
![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
// 在此处放置用户代码以初始化页面
if(!Page.IsPostBack)
![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
Image1.ImageUrl="mikepp.gif";
}
}
![](/Images/OutliningIndicators/InBlock.gif)
![](/Images/OutliningIndicators/ContractedSubBlock.gif)
Web 窗体设计器生成的代码#region Web 窗体设计器生成的代码
override protected void OnInit(EventArgs e)
![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
//
// CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。
//
InitializeComponent();
base.OnInit(e);
}
![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
/**//// <summary>
/// 设计器支持所需的方法 - 不要使用代码编辑器修改
/// 此方法的内容。
/// </summary>
private void InitializeComponent()
![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
this.Button1.Click += new System.EventHandler(this.Button1_Click);
this.Button2.Click += new System.EventHandler(this.Button2_Click);
this.Load += new System.EventHandler(this.Page_Load);
![](/Images/OutliningIndicators/InBlock.gif)
}
#endregion
![](/Images/OutliningIndicators/InBlock.gif)
private void Button1_Click(object sender, System.EventArgs e)
![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
if(File1.PostedFile.FileName.Trim()!="")
![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
//上传文件
string extension = Path.GetExtension(File1.PostedFile.FileName).ToLower();
string fileName = DateTime.Now.ToString("yyyyMMddhhmmss");
string path = Server.MapPath(".") + "/upload/" + fileName + extension;
File1.PostedFile.SaveAs(path);
![](/Images/OutliningIndicators/InBlock.gif)
//加文字水印,注意,这里的代码和以下加图片水印的代码不能共存
System.Drawing.Image image = System.Drawing.Image.FromFile(path);
Graphics g = Graphics.FromImage(image);
g.DrawImage(image, 0, 0, image.Width, image.Height);
Font f = new Font("Verdana",16);
Brush b = new SolidBrush(Color.Blue);
string addText = "老猫的理想http://www.mikecat.net";
g.DrawString(addText, f, b, 10, 10);
g.Dispose();
![](/Images/OutliningIndicators/InBlock.gif)
//保存加水印过后的图片,删除原始图片
string newPath = Server.MapPath(".") + "/upload/" + fileName + "_new" + extension;
image.Save(newPath);
image.Dispose();
if(File.Exists(path))
![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
File.Delete(path);
}
Image1.ImageUrl=newPath;
// Response.Redirect(newPath);
}
![](/Images/OutliningIndicators/InBlock.gif)
}
![](/Images/OutliningIndicators/InBlock.gif)
private void Button2_Click(object sender, System.EventArgs e)
![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
//上传文件
string extension = Path.GetExtension(File1.PostedFile.FileName).ToUpper();
string fileName = DateTime.Now.ToString("yyyyMMddhhmmss");
string path = Server.MapPath(".") + "/upload/" + fileName + extension;
File1.PostedFile.SaveAs(path);
![](/Images/OutliningIndicators/InBlock.gif)
//加图片水印
System.Drawing.Image image = System.Drawing.Image.FromFile(path);
System.Drawing.Image copyImage = System.Drawing.Image.FromFile( Server.MapPath(".") + "/mikepp.gif");
Graphics g = Graphics.FromImage(image);
g.DrawImage(copyImage, new Rectangle(image.Width-copyImage.Width, image.Height-copyImage.Height, copyImage.Width, copyImage.Height), 0, 0, copyImage.Width, copyImage.Height, GraphicsUnit.Pixel);
g.Dispose();
![](/Images/OutliningIndicators/InBlock.gif)
//保存加水印过后的图片,删除原始图片
string newPath = Server.MapPath(".") + "/upload/" + fileName + "_new" + extension;
image.Save(newPath);
image.Dispose();
if(File.Exists(path))
![](/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
File.Delete(path);
}
![](/Images/OutliningIndicators/InBlock.gif)
Image1.ImageUrl=newPath;
}
}
}
![](/Images/OutliningIndicators/None.gif)
posted @
2007-11-15 09:30
Adam.Zhao
阅读(
300)
评论()
编辑
收藏
举报