1
using System;
2using System.Data;
3using System.Configuration;
4using System.Collections;
5using System.Web;
6using System.Web.Security;
7using System.Web.UI;
8using System.Web.UI.WebControls;
9using System.Web.UI.WebControls.WebParts;
10using System.Web.UI.HtmlControls;
11using System.Text.RegularExpressions;
12using System.Drawing;
13using WoNextDll.commen;
14
15public partial class Controls_UpMultiFileControl : System.Web.UI.Page
16
...{
17
protected SymmetricMethod sm = new SymmetricMethod();
18
19 protected void Page_Load(object sender, EventArgs e)
20
...{
21 if (Request.Cookies["WONEXT_COOKIE"] == null || Session["WONEXT_NOLOING"] != null)
22 ...{
23 Response.Write("请登陆后再上传图片，谢谢");
24 Response.End();
25
}
26 }
27
28 protected string UserFilesDirectory(string imageuploadpath)
29 ...{
30 string UserPath = Server.MapPath(imageuploadpath + sm.Decrypto(Request.Cookies["WONEXT_COOKIE"]["_UserID"].ToString()));
31 string UserPath2 = imageuploadpath + sm.Decrypto(Request.Cookies["WONEXT_COOKIE"]["_UserID"].ToString());
32
33 if (!System.IO.Directory.Exists(UserPath)) //创建相应的文件夹
34 ...{
35 System.IO.Directory.CreateDirectory(UserPath);
36 }
37 return UserPath2 + "/";
38 }
39
40 protected void AddLogo(System.Drawing.Size size, string strFile, System.Drawing.Image image)
41 ...{
42 System.Drawing.Image bitmap = new System.Drawing.Bitmap(size.Width, size.Height); //新建bmp图片
43
44 System.Drawing.Graphics graphics = System.Drawing.Graphics.FromImage(bitmap); //新建画板
45
46 graphics.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.High; //设置高质量插值法
47
48 graphics.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality; //设置高质量,低速度呈现平滑程度
49
50 graphics.Clear(Color.White); //清空画布
51 //在指定位置画图
52 graphics.DrawImage(image, new System.Drawing.Rectangle(0, 0, bitmap.Width, bitmap.Height),
53
54 new System.Drawing.Rectangle(0, 0, image.Width, image.Height),
55
56 System.Drawing.GraphicsUnit.Pixel);
57
58 //文字水印
59 //System.Drawing.Graphics textGraphics = System.Drawing.Graphics.FromImage(bitmap);
60 //System.Drawing.Font font = new Font("宋体", 10, FontStyle.Bold);
61 //System.Drawing.Brush brush = new SolidBrush(Color.Red);
62 //textGraphics.DrawString("我靠，测试下", font, brush, 10, 10);
63 //textGraphics.Dispose();
64
65 /**////图片水印
66
67 //System.Drawing.Image copyImage = System.Drawing.Image.FromFile(System.Web.HttpContext.Current.Server.MapPath("pic/1.gif"));
68
69 //Graphics a = Graphics.FromImage(bitmap);
70
71 //a.DrawImage(copyImage, new Rectangle(bitmap.Width-copyImage.Width,bitmap.Height-copyImage.Height,copyImage.Width, copyImage.Height),0,0, copyImage.Width, copyImage.Height, GraphicsUnit.Pixel);
72
73 //copyImage.Dispose();
74
75 //a.Dispose();
76
77 //copyImage.Dispose();
78
79 //保存图
80
81 try
82 ...{
83 bitmap.Save(Server.MapPath(strFile), System.Drawing.Imaging.ImageFormat.Jpeg);
84 }
85
86 catch (Exception ex)
87 ...{
88 Response.Write("保存缩略图失败:" + ex.Message);
89 }
90 graphics.Dispose();
91 image.Dispose();
92 bitmap.Dispose();
93 }
94
95 protected void UploadButton_Click(object sender, EventArgs e)
96 ...{
97 string txtname = Request.QueryString["t"].ToString();
98
99 /**////'遍历File表单元素
100 HttpFileCollection files = HttpContext.Current.Request.Files;
101
102 /**//// '状态信息
103 //System.Text.StringBuilder strMsg = new System.Text.StringBuilder();
104 //strMsg.Append("上传的文件分别是：<hr color=red>");
105 string imgvalue = "";
106 int upfilecount = 0;
107 try
108 ...{
109 for (int iFile = 0; iFile < files.Count; iFile++)
110 ...{
111 /**////'检查文件扩展名字
112 HttpPostedFile postedFile = files[iFile];
113 string fileName, fileExtension;
114 fileName = System.IO.Path.GetFileName(postedFile.FileName);
115 if (fileName != "")
116 ...{
117 fileExtension = System.IO.Path.GetExtension(fileName).Substring(1).ToLower();
118 //Regex r3 = new Regex(@"(jpg)|(bmp)|(gif)|(png)|()", RegexOptions.IgnoreCase);
119 string aa="jpg,gif,bmp,png,";
120 int aaaa = aa.IndexOf(fileExtension);
121 if (aa.IndexOf(fileExtension) >= 0)
122 ...{
123 if (postedFile.ContentLength > 1024 * 1024 * 10)
124 ...{
125 JScriptAlert("你要上传的这张" + fileName + "太大了，没上传成功!");
126 }
127 else
128 ...{
129 string newfileName = DateTime.Now.ToString("yyyyMMddhhmmssfff").ToString() + iFile + "." + fileExtension;
130 string p = UserFilesDirectory("../upimages/");
131
132 //postedFile.SaveAs(System.Web.HttpContext.Current.Request.MapPath(p) + newfileName);
133 System.Drawing.Image image = System.Drawing.Image.FromStream(postedFile.InputStream, true);
134 System.Drawing.Size size = new Size(image.Width,image.Height); // 图片大小
135 this.AddLogo(size, p + newfileName, image);
136
137 // 生成缩略图
138 //原始图片名称
139 string originalFilename = postedFile.FileName;
140 //生成的高质量图片名称
141 string strFile = p + newfileName.Substring(0, newfileName.IndexOf('.')) + "_s" + newfileName.Substring(newfileName.IndexOf('.'));
142 //从文件取得图片对象
143 image = System.Drawing.Image.FromStream(postedFile.InputStream, true);
144 Double Width = Double.Parse("120");
145 Double Height = Double.Parse("90");
146 System.Double NewWidth, NewHeight;
147 if (image.Width > image.Height)
148 ...{
149 NewWidth = Width;
150 NewHeight = image.Height * (NewWidth / image.Width);
151 }
152 else
153 ...{
154 NewHeight = Height;
155 NewWidth = (NewHeight / image.Height) * image.Width;
156 }
157 if (NewWidth > Width)
158 ...{
159 NewWidth = Width;
160 }
161 if (NewHeight > Height)
162 ...{
163 NewHeight = Height;
164 }
165 size = new Size((int)NewWidth, (int)NewHeight); // 图片大小
166 this.AddLogo(size, strFile, image);
167
168
169 imgvalue += p.Substring(3) + newfileName + ",";
170 upfilecount = upfilecount + 1;
171 }
172 }
173 else
174 ...{
175 JScriptAlert("你要上传的文件： " + fileName + " 不是图片类型的，请选择图片类型的图片上传，谢谢！");
176 }
177 }
178 }
179 //strStatus.Text = strMsg.ToString();
180 string txtid = "ctl00$ContentPlaceHolder1$" + txtname;
181 string a = "<script language=\"javascript\"> window.opener.document.getElementById('" + txtid + "').value+='" + imgvalue + "';</script>";
182 Response.Write(a);
183 string a2 = "<script language=\"javascript\"> window.opener.document.getElementById('ctl00$ContentPlaceHolder1$TextBox1').value+='" + imgvalue + "';</script>";
184 Response.Write(a2);
185 Response.Write("<script language=\"javascript\">window.opener.document.getElementById('ctl00$ContentPlaceHolder1$Label2').value='已经成功上传了" + upfilecount + "张图片，请不要修改文本框的内容！';</script>");
186 Response.Write("<script language=\"javascript\">window.close();</script>");
187 //return true;
188 }
189 catch (System.Exception Ex)
190 ...{
191 strStatus.Text = Ex.Message;
192 //return false;
193 }
194
195 }
196 protected void JScriptAlert(String Message)
197 ...{
198 Response.Write("<script language=\"javascript\">\n alert(\"" + Message + "\");\n</script>");
199 //Response.End();
200 }
201
}
202
WOBIZ/controls/UpMultiFileControl.aspx.cs[8K，2009-6-12 11:58:35]，打开代码结构图
打包下载该项目完整源码：WO@BIZ第一季1.2版源码