把图片保存成字符流到数据库里代码,Asp.Net代码库,德仔网

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【Asp.Net】把图片保存成字符流到数据库里

作者:杨 / 发布于2015/1/7/ 718


	using System;
	using System.Collections.Generic;
	using System.ComponentModel;
	using System.Data;
	using System.Drawing;
	using System.Linq;
	using System.Text;
	using System.Windows.Forms;
	using System.IO;
	using DM;
	using BLL;

	namespace UI
	{
	 public partial class AddUserImageInfo : Form
	 {
	 UserImageInfoBLL bll = new UserImageInfoBLL();
	 public AddUserImageInfo()
	 {
	 InitializeComponent();
	 }

	 private void btnAdd_Click(object sender, EventArgs e)
	 {
	 UserImageInfoDM imageinfodm = new UserImageInfoDM();
	 imageinfodm.UserName = this.txtUserName.Text;
	 imageinfodm.Password = this.txtPassword.Text;
	 imageinfodm.Age = Convert.ToInt32(this.txtAge.Text);
	 imageinfodm.Sex = rdoMan.Checked ? '男' : '女';
	 imageinfodm.Email = this.txtEmail.Text;
	 //创建文件流
	 FileStream fs = new FileStream(this.pictureBox1.ImageLocation, FileMode.Open);
	 //声明byte数组
	 byte[] bytes = new byte[fs.Length];
	 //读取数组
	 fs.Read(bytes, 0, bytes.Length);
	 fs.Close();
	 imageinfodm.Image = bytes;
	 if (bll.AddUserImageInfo(imageinfodm)==1)
	 {
	 MessageBox.Show("添加成功");
	 this.txtUserName.Text = "";
	 this.txtPassword.Text = "";
	 this.txtEmail.Text = "";
	 this.txtBeSure.Text = "";
	 this.txtAge.Text = "";
	 this.pictureBox1.Image = null;
	 }
	 else
	 {
	 MessageBox.Show("添加失败");
	 }
	 }

	 private void pictureBox1_Click(object sender, EventArgs e)
	 {
	 DialogResult re = this.openFileDialog1.ShowDialog();
	 if (re==DialogResult.OK)
	 {
	 this.pictureBox1.ImageLocation = this.openFileDialog1.FileName;//把路径赋给PictureBox
	 }
	 }

	 private void btnShow_Click(object sender, EventArgs e)
	 {
	 //取出的数据时byte[]
	 byte[] bytes = bll.SelectImageByUserName(this.txtUserName.Text);
	 MemoryStream ms = new MemoryStream(bytes); //从内存流中读取数据
	 this.pictureBox1.Image = Image.FromStream(ms);
	 }
	 }
	}

试试其它关键字

　字符流　

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.把图片保存成字符流到数据库里