using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.IO;

using System.Linq;

using System.Text;

using System.Windows.Forms;

using NPOI.HSSF.UserModel;

using NPOI.SS.UserModel;

using MySql.Data;

using MySql.Data.MySqlClient;

using System.Configuration;

using System.Net;

using NPOI.SS.Formula.Functions;

using System.Runtime.Remoting.Messaging;

using System.Runtime.CompilerServices;

namespace NPOI

{

    public partial class Form1 : Form

    {

        public static string connectionString = "charset='utf8';pooling=true;Data Source='" + ConfigurationManager.AppSettings["Conn_server"] + "';"

                                                            + "Database='" + ConfigurationManager.AppSettings["Conn_database"] + "';"

                                                            + "User Id='" + ConfigurationManager.AppSettings["Conn_uid"] + "';"

                                                            + "Password='" + ConfigurationManager.AppSettings["Conn_pwd"] + "';";

        public Form1()

        {

            InitializeComponent();

        }

        public static DataTable fsQuery(string strSQL)

        {

            return GetDataSet(CommandType.Text, strSQL, null).Tables[0];

        }

        private static void PrepareCommand(MySqlCommand cmd, MySqlConnection conn, MySqlTransaction trans, CommandType cmdType, string cmdText, MySqlParameter[] cmdParms)

        {

            if (conn.State != ConnectionState.Open)

                conn.Open();

            cmd.Connection = conn;

            cmd.CommandText = cmdText;

            if (trans != null)

                cmd.Transaction = trans;

            cmd.CommandType = cmdType;

            if (cmdParms != null)

            {

                foreach (MySqlParameter parm in cmdParms)

                    cmd.Parameters.Add(parm);

            }

        }

        public static DataSet GetDataSet(CommandType cmdType, string cmdText, params MySqlParameter[] commandParameters)

        {

            //創建一個MySqlCommand對象          

            MySqlCommand cmd = new MySqlCommand();

            //創建一個MySqlConnection對象          

            MySqlConnection conn = new MySqlConnection(connectionString);

            try

            {

                //調用 PrepareCommand 方法，對 MySqlCommand 對象設置參數                

                PrepareCommand(cmd, conn, null, cmdType, cmdText, commandParameters);

                //調用 MySqlCommand  的 ExecuteReader 方法              

                MySqlDataAdapter adapter = new MySqlDataAdapter();

                adapter.SelectCommand = cmd;

                DataSet ds = new DataSet();

                adapter.Fill(ds);

                //清除參數              

                cmd.Parameters.Clear();

                conn.Close();

                return ds;

            }

            catch (Exception e) { throw e; }

        }

        public bool Add()

        {

            return true;

        }

        private void button1_Click(object sender, EventArgs e)

        {

            DateTime dtStart;

            DateTime dtEnd;

            dtStart = DateTime.Now;

            //創建一個工作簿

            HSSFWorkbook workbook = new HSSFWorkbook();

            //創建一個sheet

            ISheet sheet1 = workbook.CreateSheet("sheet1");

            // 設置列寬,excel列寬每個像素是1/256

            sheet1.SetColumnWidth(0, 18 * 256);

            sheet1.SetColumnWidth(1, 18 * 256);

            sheet1.SetColumnWidth(2, 18 * 256);

            sheet1.SetColumnWidth(3, 18 * 256);

            sheet1.SetColumnWidth(4, 18 * 256);

            IRow rowHeader = sheet1.CreateRow(0);//創建表頭行

            rowHeader.CreateCell(0, CellType.String).SetCellValue("id");

            rowHeader.CreateCell(1, CellType.String).SetCellValue("站");

            rowHeader.CreateCell(2, CellType.String).SetCellValue("點位");

            rowHeader.CreateCell(3, CellType.String).SetCellValue("時間");

            rowHeader.CreateCell(4, CellType.String).SetCellValue("圖片");

            DataTable dt = fsQuery("SELECT * from USER  limit 50");

            if (dt.Rows.Count > 0)

            {

                int rowline = 1;//從第二行開始(索引從0開始)

                foreach (DataRow datarow in dt.Rows)

                {

                    IRow row = sheet1.CreateRow(rowline);

                    //設置行高 ,excel行高度每個像素點是1/20

                    row.Height = 80 * 20;

                    //填入生產單號

                    row.CreateCell(0, CellType.String).SetCellValue(datarow["id"].ToString());

                    row.CreateCell(1, CellType.String).SetCellValue(datarow["USER_NAME"].ToString());

                    row.CreateCell(2, CellType.String).SetCellValue(datarow["USER_CODE"].ToString());

                    row.CreateCell(3, CellType.String).SetCellValue(datarow["PHONE"].ToString());

                    ICell cell = row.CreateCell(8);

                    cell.SetCellValue("鏈接");

                    HSSFHyperlink link = new HSSFHyperlink(HyperlinkType.Url);

                    link.Address = "http://vfx.mtime.cn/Video/2019/03/12/mp4/190312143927981075.mp4";

                    cell.Hyperlink = link;

                    byte[] bytes = GetFileData_Remote("http://192.168.10.2:8202/filelib/2022-03/05/d3215a0afdd44d9ab94313f0379e2ebf.jpg");

                    //byte[] bytes = System.IO.File.ReadAllBytes(datarow["picture"].ToString());

                    int pictureIdx = workbook.AddPicture(bytes, PictureType.JPEG);

                    HSSFPatriarch patriarch = (HSSFPatriarch)sheet1.CreateDrawingPatriarch();

                    // 插圖片的位置  HSSFClientAnchor（dx1,dy1,dx2,dy2,col1,row1,col2,row2) 后面再作解釋

                    HSSFClientAnchor anchor = new HSSFClientAnchor(70, 10, 0, 0, 4, rowline, 5, rowline + 1);

                    //把圖片插到相應的位置

                    HSSFPicture pict = (HSSFPicture)patriarch.CreatePicture(anchor, pictureIdx);

                    rowline++;

                }

            }

            //把文件保存到d:\aaa.xls，注意擴展名是.xls不要寫成.xlsx

            using (Stream stream = File.OpenWrite(Application.StartupPath + "http://報表.xls"))

            {

                workbook.Write(stream);

            }

            //如果要操作.xlsx的excel，引入命名空間  using NPOI.XSSF.UserModel;

            // 然后把所有的HSS改為XSS(比喻HSSWorkbook->XSSWorkbook)

            dtEnd = DateTime.Now;

            this.Text = "總共用時"+(dtEnd - dtStart).TotalSeconds.ToString("0.00")+"秒";

        }

        protected byte[] GetFileData_local(string fileUrl)

        {

            FileStream fs = new FileStream(fileUrl, FileMode.Open, FileAccess.Read);

            try

            {

                byte[] buffur = new byte[fs.Length];

                fs.Read(buffur, 0, (int)fs.Length);

                return buffur;

            }

            catch (Exception ex)

            {

                //MessageBoxHelper.ShowPrompt(ex.Message);

                return null;

            }

            finally

            {

                if (fs != null)

                {

                    //關閉資源

                    fs.Close();

                }

            }

        }

        private static byte[] GetFileData_Remote(string serverUrl)

        {

            string url = serverUrl;

            WebRequest request = WebRequest.Create(url);

            WebResponse response = request.GetResponse();

            Stream stream = response.GetResponseStream();

            byte[] byteFile = null;

            List<byte> bytes = new List<byte>();

            int temp = stream.ReadByte();

            while (temp != -1)

            {

                bytes.Add((byte)temp);

                temp = stream.ReadByte();

            }

            byteFile = bytes.ToArray();

            string str = Convert.ToBase64String(byteFile);

            response.Close();

            return byteFile;

        }

    }

}