Web/UploadPictures.aspx.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using RentHouseModel;
using RentHouseBLL;
using System.IO;

public partial class UploadPictures : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        string id = string.Empty;
        if (Request.QueryString["HouseID"] == null)
            id = "";
        else
            id = Request.QueryString["HouseID"].ToString().Trim();
        if (id == "")
        {
            Response.Write("<font color='red'>无效的传值</font>返回<a href='Default.aspx'>首页</a>");
            Response.End();
        }
        if (!Page.IsPostBack)
        {
            lblID.Text = id;
            Picture pic = PictureManager.GetPictureByHouseID(id);
            if (pic != null)
            {
                img1.ImageUrl = pic.Img1.Trim();
                img2.ImageUrl = pic.Img2.Trim();
                img3.ImageUrl = pic.Img3.Trim();
                img4.ImageUrl = pic.Img4.Trim();
                img5.ImageUrl = pic.Img5.Trim();
            }
        }
    }
    protected void ibtnUpload_Click(object sender, ImageClickEventArgs e)
    {
        int i = GetNullUrlImageID();
        if (i == 0)
        {
            Response.Write("<script>alert('房源图片数已达上限');history.back();</script>");
        }
        else
        {
            if (!fuPicture.HasFile)
            {
                Response.Write("<script>alert('请先选择图片');history.back();</script>");
            }
            else
            {
                string picname =fuPicture.FileName.Trim();
                string postfix = picname.Substring(picname.LastIndexOf('.') + 1);
                if (postfix.Equals("jpg") || postfix.Equals("JPG"))//判断格式
                {
                    string houseid = lblID.Text.Trim();
                    string file = "~/Images/houses/" + houseid;
                    if (!Directory.Exists(Server.MapPath(file)))
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