photosadd.aspx.cs

企业内部的短信交流管理平台。 设计详细

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;

namespace Com.SMS.SMSUI
{
	/// <summary>
	/// PhotosAdd 的摘要说明。
	/// </summary>
	public class PhotosAdd : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.DropDownList ddlUserType;
		protected System.Web.UI.WebControls.Button btnSubmit;

		Entity.User us;
	
		private void Page_Load(object sender, System.EventArgs e)
		{
			// 在此处放置用户代码以初始化页面
			if(Session["User"]==null)
			{
				Response.Write("<script>alert('对不起，你没有登录');location.href='Login.aspx';</script>");
			}
			JudgePopedom();

			us=(Entity.User)Session["User"];
			if(!this.IsPostBack)
			{
				BindAlbum();
			}
		}

		void JudgePopedom()
		{
			Dal.PopedomMake pdm=new Com.SMS.Dal.PopedomMake();
			Dal.UserAndPopedomMake uapm=new Com.SMS.Dal.UserAndPopedomMake();
			Entity.Popedom pd=pdm.FindByPage("PhotosAdd.aspx");
			Entity.User us=(Entity.User)Session["User"];
			DataTable dt=uapm.FindByUser(us.UserId);
			string popedom="";

			try
			{
				popedom=dt.Rows[0][2].ToString();
			}
			catch(Exception)
			{
				Response.Redirect("SysMessages.aspx?message="+this.Server.UrlEncode("对不起，你权限不够!!!"), false);
			}
			
			if(popedom.IndexOf(pd.PdId.ToString())==-1)
			{
				Response.Redirect("SysMessages.aspx?message="+this.Server.UrlEncode("对不起，你权限不够!!!"), false);
			}
		}

		void BindAlbum()
		{
			Dal.AlbumMake am=new Com.SMS.Dal.AlbumMake();
			DataTable dt=am.FindByUser(us.UserId);

			this.ddlUserType.DataSource=dt;
			this.ddlUserType.DataTextField="alName";
			this.ddlUserType.DataValueField="abId";
			this.ddlUserType.DataBind();
			
		}

		#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.btnSubmit.Click += new System.EventHandler(this.btnSubmit_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void btnSubmit_Click(object sender, System.EventArgs e)
		{
			int abId=Convert.ToInt32(this.ddlUserType.SelectedValue);

			bool flag=false;

			HttpFileCollection files=Request.Files;

			for(int i=0;i<files.Count;i++)
			{
				HttpPostedFile hfile=files[i];
				string savePath = us.UserName+"Photos";
				if ( ! Directory.Exists( Server.MapPath(savePath) ))
				{
					Directory.CreateDirectory( Server.MapPath(savePath) );
				}

				int filesize=hfile.ContentLength;
				if(filesize>819200)
				{
					Response.Write("<script>alert('您上传的图片中有的太大！');</script>");
					return;
				}
				if(filesize>10)
				{
					flag=true;
					string url=hfile.FileName;
					int n=url.LastIndexOf(".");
					string exName=url.Substring(n);
					string[] exs = {".jpg", ".gif", ".bmp", ".png", ".jpeg"};
					bool exIsOk = false;
					foreach (string ex in exs)
					{
						if (ex == exName)
						{
							exIsOk = true;
							break;
						}
					}
					if ( ! exIsOk)
					{
						Response.Redirect("SysMessages.aspx?message="+this.Server.UrlEncode("您上传的文件有类型错误!!!"), false);
						return;
					}
					string name=Guid.NewGuid().ToString();
					hfile.SaveAs(Server.MapPath(savePath+"/"+name+exName));	
					Entity.Photo ph=new Entity.Photo();
					ph.PPath=savePath+"/"+name+exName;
					ph.PDesc="暂无描述";
					ph.AbId=abId;
					ph.IsPublic=false;

					Dal.PhotosMake pm=new Dal.PhotosMake();
					pm.Insert(ph);
				}
			}
			if(!flag)
			{
				Response.Redirect("SysMessages.aspx?message="+this.Server.UrlEncode("您没有选择照片!!!"), false);
			}
			Response.Redirect("SysMessages.aspx?message="+this.Server.UrlEncode("上传成功!!!"), false);
		}
	}
}