myshippingweb/Sources/mld/web/Web/Mld/MainHome.aspx.cs

using System;
using System.Collections.Generic;
using System.Data.SqlClient;
using System.IO;
using System.Linq;
using System.Text;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using web.Classes;

namespace web.Web.Mld
{
    public partial class MainHome : System.Web.UI.Page
    {

        public List<HomePagePartModel> _PageData;
        protected void Page_Load(object sender, EventArgs e)
        {
            if (Session["islogin"]==null||Session["islogin"].ToString()=="0")
            {
                Response.Redirect("Login.aspx");
            }
            if (Request["action"]=="save")
            {
                string msg = this.Save();
                Response.Write(msg);
                Response.End();
            }
            _PageData = GetDataList();
        }

        private string Save() {
            string result = "";
            string partname = Request["partname"];
            string title = Request["title"];
            string subtitle = Request["subtitle"];
            string content = Request["content"];
            int index = Convert.ToInt32(Request["index"]);
            string filename = "";
            if (Request.Files.Count>0)
            {
                var file = Request.Files[0];
                if (file != null)//验证是否包含文件
                {
                    //取得文件的扩展名,并转换成小写
                    if (true)
                    {
                        //对上传文件的大小进行检测，限定文件最大不超过8M
                        if (file.ContentLength < 8192000)
                        {
                            string filepath = Server.MapPath("../Site/img/");
                            if (Directory.Exists(filepath) == false)//如果不存在就创建file文件夹
                            {
                                Directory.CreateDirectory(filepath);
                            }
                            string savePath = filepath + "p"+index.ToString()+".jpg";
                            file.SaveAs(savePath);
                            filename = file.FileName;
                        }
                        else
                        {
                            result = "文件大小超出8M！请重新选择！";
                        }
                    }
                }
            }

            StringBuilder sb = new StringBuilder();
            sb.Append("update HomePageSetting ");
            sb.Append("set parttitle = '"+title+"',");
            sb.Append("partname = '"+partname+"',");
            sb.Append("partsubtitle = '"+subtitle+"',");
            sb.Append("partcontent = '"+content+"' ");
            if (filename!="")
            {
                sb.Append(",partimage = '"+filename+"'");
            }
            sb.Append(" where orderindex = "+index);
            int rst = SQLHelper.ExcuteSQL(sb.ToString());
            result = rst > 0 ? "更新成功" : "更新失败";
            return result;
        }

        private List<HomePagePartModel> GetDataList()
        {
            string sql = "select * from HomePageSetting";
            List<HomePagePartModel> list = new List<HomePagePartModel>();
            using (SqlDataReader reader = SQLHelper.GetReader(sql))
            {
                while (reader.Read())
                {
                    HomePagePartModel m = new HomePagePartModel();
                    m.id = Convert.ToInt32(reader["id"]);
                    m.PageName = reader["PageName"].ToString();
                    m.PartName = reader["PartName"].ToString();
                    m.PartTitle = reader["PartTitle"].ToString();
                    m.PartSubTitle = reader["PartSubTitle"].ToString();
                    m.PartContent = reader["PartContent"].ToString();
                    m.PartImage = reader["PartImage"].ToString();
                    m.OrderIndex = Convert.ToInt32(reader["OrderIndex"]);
                    m.UpdateTime = reader["UpdateTime"].ToString();
                    list.Add(m);
                }
            }
            return list;
        }
        
    }
}