package com.tvs.controller;

import java.io.IOException;
import java.io.OutputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.CellStyle;
import org.apache.poi.ss.usermodel.Font;
import org.apache.poi.ss.usermodel.IndexedColors;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.ss.usermodel.Workbook;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;

@Controller
@RequestMapping({"/excel"})
public class ExcelController
{
  @RequestMapping(method={org.springframework.web.bind.annotation.RequestMethod.GET})
  public void dewnExcel(HttpServletRequest request, HttpServletResponse response)
  {
    HSSFWorkbook wb = (HSSFWorkbook)createExcel();
    try
    {
      response.setHeader("Content-Disposition", "attachment; filename=appointmentUser.xls");
      response.setContentType("application/vnd.ms-excel; charset=utf-8");
      OutputStream out = response.getOutputStream();
      wb.write(out);
      out.flush();
      out.close();
    }
    catch (IOException e)
    {
      e.printStackTrace();
    }
  }
  
  public Workbook createExcel()
  {
    Workbook wb = new HSSFWorkbook();
    
    Sheet sheet = wb.createSheet("第一頁");
    for (int i = 0; i < 2; i++) {
      sheet.setColumnWidth((short)i, 5355);
    }
    Row row = sheet.createRow(0);
    

    CellStyle cs = wb.createCellStyle();
    CellStyle cs2 = wb.createCellStyle();
    

    Font f = wb.createFont();
    Font f2 = wb.createFont();
    

    f.setFontHeightInPoints((short)10);
    f.setColor(IndexedColors.BLACK.getIndex());
    f.setBoldweight((short)700);
    

    f2.setFontHeightInPoints((short)10);
    f2.setColor(IndexedColors.BLACK.getIndex());
    

    cs.setFont(f);
    cs.setBorderLeft((short)1);
    cs.setBorderRight((short)1);
    cs.setBorderTop((short)1);
    cs.setBorderBottom((short)1);
    cs.setAlignment((short)2);
    

    cs2.setFont(f2);
    cs2.setBorderLeft((short)1);
    cs2.setBorderRight((short)1);
    cs2.setBorderTop((short)1);
    cs2.setBorderBottom((short)1);
    cs2.setAlignment((short)2);
    for (int i = 0; i < 2; i++)
    {
      Cell cell = row.createCell(i);
      cell.setCellValue("張三" + i);
      cell.setCellStyle(cs);
    }
    for (short i = 1; i < 2; i = (short)(i + 1))
    {
      Row row1 = sheet.createRow(i);
      for (short j = 0; j < 2; j = (short)(j + 1))
      {
        Cell cell = row1.createCell(j);
        cell.setCellValue("李四" + j);
        cell.setCellStyle(cs2);
      }
    }
    return wb;
  }
}