<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>
             
     
    
      
        
               
       
       
        
           
      
    
     

using System;using System.Collections.Generic;using System.Linq;using System.Web;using System.Web.UI;using System.Web.UI.WebControls;using System.Drawing;public partial class _Default : System.Web.UI.Page{    protected void Page_Load(object sender, EventArgs e)    {        Button1.Click += Button1_Click;   //上传按钮点击事件    }    //上传按钮点击事件    void Button1_Click(object sender, EventArgs e)    {        //1、创建画布        System.Drawing.Image img = System.Drawing.Image.FromStream(FileUpload1.FileContent);        Graphics g = Graphics.FromImage(img);                //2、选择画笔、颜色        Brush b = new SolidBrush(Color.WhiteSmoke);        //3、设置字体，大小        Font f = new Font("黑体", 28);        //4、编辑内容        string s = "南娜官方网站";        //5、绘画，设置位置          g.DrawString(s, f, b, 100, 100);        //6、保存画好的图片        string path="Default"+FileUpload1.FileName;        img.Save(Server.MapPath(path));        Image1.ImageUrl = path;    }}