Exemplo n.º 1
0
        //删除影碟信息,返回影响行数。删除之前,首先查看那些关系表中是否还有该影碟的相关信息。
        public int deleteVideoinfo(videoinfo v)
        {
            int recom = (int)SqlHelper.ExecuteScalar("select count(*) from recommend where videoid=@videoid", new SqlParameter("@videoid", v.videoid));
            int rev   = (int)SqlHelper.ExecuteScalar("select count(*) from review where videoid=@videoid", new SqlParameter("@videoid", v.videoid));
            int hire  = (int)SqlHelper.ExecuteScalar("select count(*) from hireinfo where videoid=@videoid", new SqlParameter("@videoid", v.videoid));
            int total = recom + rev + hire;   //若大于0,说明其他表还有引用,不能删除

            if (total > 0)
            {
                return(-1);
            }
            else
            {
                //先把文件夹中的图片删除,再删除数据库中的数据
                string delimage     = (string)SqlHelper.ExecuteScalar("select imageurl  from videoinfo where videoid=@videoid", new SqlParameter("@videoid", v.videoid));
                string delimagepath = @"F:\VS2012 工作目录\Web应用\自做项目\video\video" + delimage;
                //如果图片存在,则删除;图片不存在,不用处理
                if (IOHelper.Exists(delimagepath))
                {
                    IOHelper.DeleteFile(delimagepath);
                }
                else
                {
                }

                string       sql  = "delete  from videoinfo where videoid=@videoid";
                SqlParameter parm = new SqlParameter("@videoid", v.videoid);
                return(SqlHelper.ExecuteNonQuery(sql, parm));
            }
        }
Exemplo n.º 2
0
        private void button1_Click(object sender, EventArgs e)
        {
            videoinfo v = new videoinfo();

            v.videoid   = this.label2.Text;
            v.videoname = this.textBox1.Text;
            v.number    = TypeConversion.stringTOint(this.textBox2.Text);
            v.price     = TypeConversion.stringTOdouble(this.textBox3.Text);
            v.buydate   = TypeConversion.stringTOdatetime(this.label8.Text);
            v.describe  = this.textBox6.Text;
            v.clickrate = TypeConversion.stringTOint(this.textBox4.Text);
            v.imageurl  = imagepath;
            int flagReturn = bv.upVideoinfo(v);   //返回值大于0,成功;等于0,保存失败;等于-1,上传路径中已经存在同名文件

            if (flagReturn > 0)
            {
                MessageBox.Show("保存成功!");
                this.Close();
            }
            else if (flagReturn == 0)
            {
                MessageBox.Show("保存失败,请重试");
            }
            else if (flagReturn < 0)
            {
                MessageBox.Show("上传路径中已经存在同名文件,请先修改文件名,然后重新选择!");
            }
        }
Exemplo n.º 3
0
        private void button2_Click(object sender, EventArgs e)
        {
            videoinfo v = new videoinfo();

            v.videoid   = this.textBox1.Text;
            v.videoname = this.textBox2.Text;
            v.number    = TypeConversion.stringTOint(this.textBox3.Text);
            v.price     = TypeConversion.stringTOdouble(this.textBox4.Text);
            v.buydate   = dateTimePicker1.Value;
            v.describe  = this.textBox7.Text;
            v.clickrate = TypeConversion.stringTOint(this.textBox6.Text);
            v.imageurl  = imagepath;
            //数据验证
            //点击录入按钮时,对影碟编号和图片进行验证
            if (this.textBox1.Text == "")
            {
                MessageBox.Show("影碟编号不能为空,请输入!");
            }
            else
            {
                if (bv.countById(this.textBox1.Text) > 0)  //影碟编号已经存在
                {
                    MessageBox.Show("影碟编号已经存在,不能重复录入!");
                }
                else
                {
                    if (this.textBox5.Text == "")
                    {
                        MessageBox.Show("影碟图片不能为空,请选择!");
                    }
                    //符合条件,可以录入
                    else
                    {
                        int flagReturn = bv.addVideoinfo(v);   //返回值大于0,成功;等于0,保存失败;等于-1,上传路径中已经存在同名文件
                        if (flagReturn > 0)
                        {
                            MessageBox.Show("录入成功!");
                            this.Close();
                        }
                        else if (flagReturn == 0)
                        {
                            MessageBox.Show("录入失败,请重试");
                        }
                        else if (flagReturn < 0)
                        {
                            MessageBox.Show("上传路径中已经存在同名文件,请先修改文件名,然后重新选择!");
                        }
                    }
                }
            }
        }
Exemplo n.º 4
0
        //修改影碟信息,返回影响行数
        public int updateVideoinfo(videoinfo v)
        {
            //对图片的路径需要特殊处理
            string imagePath = v.imageurl;
            //由于数据库中图片的存储格式 为 "/images/003.jpg" (web的调用) ,书写方式和本地系统有点差距,但是实质一样。
            string defaultPath  = @"F:\VS2012 工作目录\Web应用\自做项目\video\video/images";
            string defaultPath1 = @"F:\VS2012 工作目录\Web应用\自做项目\video\video\images";

            //需要录入的图片就在默认路径中,只需把路径存储在数据库中,给web调用
            if (Path.GetDirectoryName(imagePath) == defaultPath || Path.GetDirectoryName(imagePath) == defaultPath1)
            {
                v.imageurl = "/images/" + Path.GetFileName(imagePath);
            }
            //需要录入的图片不在默认路径中,需要自己复制
            else
            {
                //把当前时间转换成string型,加上传递来的文件的后缀,充当新的文件名
                //string newImageName=DateTime.Now.ToString("yyyyMMddHHmmss")+Path.GetExtension(imagePath);
                //string newImageFullName = @"F:\VS2012 工作目录\Web应用\自做项目\video\video\images\" + newImageName;
                //IOHelper.CreateFile(newImageFullName);
                //string imageContent = IOHelper.ReadFile(imagePath);
                //IOHelper.WriteFile(newImageFullName,imageContent);
                //首先判断该文件是否存在,若存在,返回-1
                string newImageFullName = @"F:\VS2012 工作目录\Web应用\自做项目\video\video\images\" + Path.GetFileName(imagePath);
                if (IOHelper.Exists(newImageFullName))
                {
                    return(-1);
                }
                else
                {
                    IOHelper.CopyFileToDirectory(imagePath, defaultPath1);
                    v.imageurl = "/images/" + Path.GetFileName(imagePath);
                }
            }

            string sql = "update videoinfo set videoname=@videoname,number=@number,price=@price,buydate=@buydate,describe=@describe,imageurl=@imageurl,clickrate=@clickrate where videoid=@videoid";

            SqlParameter[] parms =
            {
                new SqlParameter("@videoid",   v.videoid),
                new SqlParameter("@videoname", v.videoname),
                new SqlParameter("@number",    v.number),
                new SqlParameter("@price",     v.price),
                new SqlParameter("@buydate",   v.buydate),
                new SqlParameter("@describe",  v.describe),
                new SqlParameter("@imageurl",  v.imageurl),
                new SqlParameter("@clickrate", v.clickrate)
            };
            return(SqlHelper.ExecuteNonQuery(sql, parms));
        }
Exemplo n.º 5
0
        //添加影碟信息,返回受影响的行数
        public int insertVideoinfo(videoinfo v)
        {
            //对图片的路径需要特殊处理
            string imagePath = v.imageurl;
            //由于数据库中图片的存储格式 为 "/images/003.jpg" (web的调用) ,书写方式和本地系统有点差距,但是实质一样。
            string defaultPath  = @"F:\VS2012 工作目录\Web应用\自做项目\video\video/images";
            string defaultPath1 = @"F:\VS2012 工作目录\Web应用\自做项目\video\video\images";

            //需要录入的图片就在默认路径中,只需把路径存储在数据库中,给web调用
            if (Path.GetDirectoryName(imagePath) == defaultPath || Path.GetDirectoryName(imagePath) == defaultPath1)
            {
                v.imageurl = "/images/" + Path.GetFileName(imagePath);
            }
            //需要录入的图片不在默认路径中,需要自己复制
            else
            {
                //首先判断该文件是否存在,若存在,返回-1
                string newImageFullName = @"F:\VS2012 工作目录\Web应用\自做项目\video\video\images\" + Path.GetFileName(imagePath);
                if (IOHelper.Exists(newImageFullName))
                {
                    return(-1);
                }
                else
                {
                    IOHelper.CopyFileToDirectory(imagePath, defaultPath1);
                    v.imageurl = "/images/" + Path.GetFileName(imagePath);
                }
            }

            string sql = "insert into videoinfo(videoid,videoname,number,price,buydate,describe,imageurl,clickrate) values(@videoid,@videoname,@number,@price,@buydate,@describe,@imageurl,@clickrate)";

            SqlParameter[] parms =
            {
                new SqlParameter("@videoid",   v.videoid),
                new SqlParameter("@videoname", v.videoname),
                new SqlParameter("@number",    v.number),
                new SqlParameter("@price",     v.price),
                new SqlParameter("@buydate",   v.buydate),
                new SqlParameter("@describe",  v.describe),
                new SqlParameter("@imageurl",  v.imageurl),
                new SqlParameter("@clickrate", v.clickrate)
            };
            return(SqlHelper.ExecuteNonQuery(sql, parms));
        }
Exemplo n.º 6
0
        private void dataGridView1_CellClick(object sender, DataGridViewCellEventArgs e)
        {
            int clickingColumn = e.ColumnIndex;

            //点击-1—7列时,不响应
            if (clickingColumn >= -1 && clickingColumn <= 7)
            {
            }

            else
            {
                DataGridViewColumn column  = dataGridView1.Columns[e.ColumnIndex];
                string             content = (string)dataGridView1.Rows[e.RowIndex].Cells[e.ColumnIndex].Value;
                if (column.HeaderText == "删除" && content == "删除")
                {
                    if (MessageBox.Show("确定要删除该影碟吗?", "删除影碟", MessageBoxButtons.OKCancel) == DialogResult.OK)
                    {
                        //删除之前先查询,否则存在关系的不允许删除
                        videoinfo v = new videoinfo();
                        v.videoid = dataGridView1.Rows[e.RowIndex].Cells[1].Value.ToString();
                        int delflag = bv.delVideoinfo(v);
                        if (delflag > 0)      //删除成功
                        {
                            MessageBox.Show("删除成功!");
                            dataGridView1.Rows.RemoveAt(e.RowIndex);
                        }
                        else if (delflag == 0)    //删除失败
                        {
                            MessageBox.Show("删除失败,请稍后重试!");
                        }
                        else if (delflag == -1)   //不让删除
                        {
                            MessageBox.Show("该影碟还被引用,不能删除!");
                        }
                    }
                }

                else if (column.HeaderText == "编辑" && content == "编辑")
                {
                    string videoid = (string)dataGridView1.Rows[e.RowIndex].Cells[1].Value;
                    new videoUpdate(videoid).Show();
                }
            }
        }
Exemplo n.º 7
0
 //修改影碟信息,是否成功
 public int upVideoinfo(videoinfo v)
 {
     return(dv.updateVideoinfo(v));  //返回值大于0,成功;等于0,保存失败;等于-1,上传路径中已经存在同名文件
 }
Exemplo n.º 8
0
 //删除影碟信息,是否成功
 public int delVideoinfo(videoinfo v)
 {
     return(dv.deleteVideoinfo(v));  //返回值大于0,成功;等于0,保存失败;等于-1,不能删除
 }
Exemplo n.º 9
0
 //添加影碟信息,是否成功
 public int addVideoinfo(videoinfo v)
 {
     return(dv.insertVideoinfo(v));  //返回值大于0,成功;等于0,保存失败;等于-1,上传路径中已经存在同名文件
 }