使用org.apache.poi導出Excel表格

@RequestMapping(value="/exportExcel")
public void exportExcel(HttpServletResponse response){
   List list = new ArrayList();//根據title的順序吧字段放進去
   String fileName ="站點信息"+".xls";//excel文件名
   String sheetName = "站點信息表";//sheet名
   //excel標題
   String[] title = {"站點名稱","站點編號","所屬企業","所屬地市","所屬省份","站點類型","站點位置","線路數量","創建日期","是否啓用","負責人","聯繫電話"};
   //創建HSSFWorkbook
   HSSFWorkbook wb = ExcelUtil.getHSSFWorkbook(sheetName, title, list, null);
   //響應到客戶端
   try {
      ExcelUtil.setResponseHeader(response, fileName);
      OutputStream os = response.getOutputStream();
      wb.write(os);
      os.flush();
      os.close();
   } catch (IOException e) {
      e.printStackTrace();
   }
}

 

 

 

 

 

 


import java.util.List;

import javax.servlet.http.HttpServletResponse;

import org.apache.poi.hssf.usermodel.HSSFCell;
import org.apache.poi.hssf.usermodel.HSSFCellStyle;
import org.apache.poi.hssf.usermodel.HSSFRow;
import org.apache.poi.hssf.usermodel.HSSFSheet;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.ss.usermodel.HorizontalAlignment;

public class ExcelUtil {

   public static HSSFWorkbook getHSSFWorkbook(String sheetName, String[] title, List<List> values, HSSFWorkbook wb) {

      // 第一步,創建一個HSSFWorkbook,對應一個Excel文件
      if (wb == null) {
         wb = new HSSFWorkbook();
      }

      // 第二步,在workbook中添加一個sheet,對應Excel文件中的sheet
      HSSFSheet sheet = wb.createSheet(sheetName);

      // 第三步,在sheet中添加表頭第0行,注意老版本poi對Excel的行數列數有限制
      HSSFRow row = sheet.createRow(0);

      // 第四步,創建單元格,並設置值表頭 設置表頭居中
      HSSFCellStyle style = wb.createCellStyle();
      style.setAlignment(HorizontalAlignment.CENTER); // 創建一個居中格式

      // 聲明列對象
      HSSFCell cell = null;

      // 創建標題
      for (int i = 0; i < title.length; i++) {
         cell = row.createCell(i);
         cell.setCellValue(title[i]);
         cell.setCellStyle(style);
      }

      // 創建內容
      for (int i = 0; i < values.size(); i++) {
         row = sheet.createRow(i + 1);
         for (int j = 0; j < values.get(i).size(); j++) {
            // 將內容按順序賦給對應的列對象
            row.createCell(j).setCellValue((String) values.get(i).get(j));
         }
      }
      return wb;
   }

   // 發送響應流方法
   public static void setResponseHeader(HttpServletResponse response, String fileName) {
      try {
         fileName = new String(fileName.getBytes(), "ISO8859-1");
         response.setContentType("application/octet-stream;charset=ISO8859-1");
         response.setHeader("Content-Disposition", "attachment;filename=" + fileName);
         response.addHeader("Pargam", "no-cache");
         response.addHeader("Cache-Control", "no-cache");
      } catch (Exception ex) {
         throw  new RuntimeException(ex);
      }
   }

}
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