• 简单的将图片上传到数据库


    using System;
    using System.Collections;
    using System.Configuration;
    using System.Data;
    using System.Linq;
    using System.Web;
    using System.Web.Security;
    using System.Web.UI;
    using System.Web.UI.HtmlControls;
    using System.Web.UI.WebControls;
    using System.Web.UI.WebControls.WebParts;
    using System.Xml.Linq;
    using System.Data.SqlClient;
    using System.IO;
    public partial class image : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {

        }
        protected Int32 FileLength = 0;//记录文件长度变量
        protected void Button1_Click(object sender, EventArgs e)
        {
            HttpPostedFile UpFile = FileUpload1.PostedFile;//HttpPostedFile 对象用于读取图像
            FileLength = UpFile.ContentLength;//记录文件长度
            try
            {
                if (FileLength == 0)
                {
                    Label1.Text = "<b>请选择要上传的图片</b>";
                    return;
                }
                else
                {
                    Byte[] Filebytearry = new Byte[FileLength];//图片临时存储
                    Stream Streamobject = UpFile.InputStream;//建立数据流
                    Streamobject.Read(Filebytearry, 0, FileLength);//读取图像文件数据,filebytearry为数据储存体,0为数据指针位置,filelength为数据长度
                    string sqlstr = ConfigurationManager.ConnectionStrings["ConnString"].ToString();
                    using (SqlConnection Con = new SqlConnection(sqlstr))
                    {
                        // SqlConnection Con = new SqlConnection(ConfigurationManager.ConnectionStrings["ConnString"].ToString());
                         string sqlcmd = "INSERT INTO tImage(ImageDate,ImageContentType,ImageDescriiption,ImageSize) values(@Image,@ImageContentType,@ImageDescriiption,@ImageSize)";
                        SqlCommand cmd = new SqlCommand(sqlcmd, Con);
                        //cmd.Parameters.Add("@ImageStore", SqlDbType.Int).Value = Session["ImageStore"].ToString();
                        cmd.Parameters.Add("@Image", SqlDbType.Binary, FileLength).Value = Filebytearry;//记录图片信息
                        cmd.Parameters.Add("@ImageContentType", SqlDbType.VarChar, 50).Value = UpFile.ContentType;//记录图片类型
                        cmd.Parameters.Add("@ImageDescriiption", SqlDbType.VarChar, 200).Value = TextBox1.Text;//记录图片说明信息
                        cmd.Parameters.Add("@ImageSize", SqlDbType.BigInt, 8).Value = UpFile.ContentLength; ;//记录图片长度
                        Con.Open();
                        cmd.ExecuteNonQuery();
                        Con.Close();
                        Label1.Text = "<b>成功上传<b>";


                    }
                }
            }
            catch (Exception ex)
            {
                Label1.Text = ex.Message.ToString();
            }
        }

    }

  • 相关阅读:
    《PHP, MySQL, Javascript和CSS》读书随手记----php篇
    20160917 携程前端笔试题
    总结一下http请求吧
    前端资源池
    【CS】笔试常见题目
    【JavaScript】js 中一些需要注意的问题
    c++中的一些计算的问题
    ubuntu下sqlite命令
    关于ubuntu软件卸载的问题
    【js】关于正则表达式
  • 原文地址:https://www.cnblogs.com/asher/p/2498000.html
Copyright © 2020-2023  润新知