upload_image.aspx.cs

合同管理 合同管理 合同管理

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;

namespace HTMS.Web.CompanySysMange.PublicPage
{
	/// <summary>
	/// UpLoad_Image 的摘要说明。
	/// </summary>
	public class UpLoad_Image : System.Web.UI.Page
	{
		protected System.Web.UI.HtmlControls.HtmlInputFile image;
		protected System.Web.UI.HtmlControls.HtmlInputButton Submit1;
		protected System.Web.UI.HtmlControls.HtmlInputHidden myvalue;
	
		private void Page_Load(object sender, System.EventArgs e)
		{
			ClearCache();
		}

		private void ClearCache()
		{
			this.Response.Expires=-1;
			this.Response.ExpiresAbsolute=DateTime.Now.AddSeconds(-1);
			this.Response.CacheControl="no-cache";
		}
		#region Web 窗体设计器生成的代码
		override protected void OnInit(EventArgs e)
		{
			//
			// CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。
			//
			InitializeComponent();
			base.OnInit(e);
		}
		
		/// <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()
		{    
			this.Submit1.ServerClick += new System.EventHandler(this.Submit1_ServerClick);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private string [] getExtends()
		{
			return new string[] {".jpg",".jpeg",".jpe",".gif",".png",".bmp"};
		}

		private void Submit1_ServerClick(object sender, System.EventArgs e)
		{
			
			if(this.image.Value==null || this.image.PostedFile.FileName=="" || this.image.PostedFile.ContentLength==0)
			{Common.Common.ShowMessageBox("上传文件为空");return;}
			string filepaht=this.image.PostedFile.FileName;
			string filename=System.IO.Path.GetFileName(this.image.PostedFile.FileName);					
			string extend=System.IO.Path.GetExtension(filename);
			string filenameWithoutExtend=System.IO.Path.GetFileNameWithoutExtension(filename); 
			if(this.CheckExtend(extend,this.getExtends()))
			{ 
				
				try
				{
					//this.Label1.Text="<font color=red>"+this.savePath("Images")+Common.Common.GetDataFileNameWithFileName(filename)+"</font>";
					string myvalues=Common.Common.GetDataFileNameWithFileName(getCutName(filename));
					this.image.PostedFile.SaveAs(this.savePath("Images")+myvalues);
					this.myvalue.Value+=myvalues;
					this.Response.Write("<script language='javascript'>self.window.close();</script>");
				}
				catch(System.Exception ee)
				{
					Common.Common.ShowMessageBox(ee.Message);
					//this.Response.Write("<font color=red>"+ee.Message+"</font>");
				}
			}
			else
				Common.ShowMessageBox.ShowMessage("上传的图片格式不对,try again");
		}

		private string savePath(string directory)
		{			
			return this.Server.MapPath("../../Data/"+directory+"/");
		}

		private string getCutName(string stringname)
		{
			if(stringname.Length>10)
			{
				return stringname.Substring(stringname.Length-10,10);
			}
			return stringname;
		}
		private bool CheckExtend(string fileextend,string []extends)
		{
			int i=0;
			for(i=0;i<extends.Length;i++)
			{
				if(fileextend.ToUpper() == extends[i].ToUpper())
					return true;
			}
			return false;
		}
	}
}