java导出包含多个sheet的Excel代码示例

本文实例为大家分享了java导出包含多个sheet的Excel的具体代码,供大家参考,具体内容如下

要导出多个sheet,关键就是Excel导出的时间设定,在执行导出文件之前,创建多个工作表

HSSFSheet sheet = workbook.createSheet(sheettitle); 

这样每创建一个工作表,便会生成一个新的sheet表,在最后导出Excel的时候一次性导出。

示例:
Java类:

try { 
  HSSFWorkbook workbook = new HSSFWorkbook(); 
  OutputStream out = response.getOutputStream(); 
  for(int j=0;j> teasalList = service.select(teasal); 
    //接下来循环list放到Excel表中 
    if(teasalList.isSuccess()&&teasalList.getResult().size()>0){ 
      //文件标题 
      SimpleDateFormat formatter1 = new SimpleDateFormat("yyyy-MM-dd"); 
      String nowdate = formatter1.format(new Date()); 
      String title = null; 
      title = "excel表格标题-" + nowdate + ".xls"; 
      String sheettitle = "sheet表名"; 
      //设置表格标题行 
      String oneheaders = "首行标题" ; 
      String dateheaders = nowdate ; 
      String[] headers = new String[] {"列1","列2","列3","列4"}; 
      List dataList = new ArrayList(); 
      Object[] objs = null; 
      for(int i =0; i<3 ; i++){ //循环每一条数据 
        objs = new Object[headers.length]; 
        objs[1] = "张三";  //姓名 
        objs[2] = "3"; //序号 
        //数据添加到excel表格 
        dataList.add(objs); 
      } 
      //使用流将数据导出 
      //防止中文乱码 
      String headStr = "attachment; filename=\"" + new String( title.getBytes("gb2312"), "ISO8859-1" ) + "\""; 
      response.setContentType("octets/stream"); 
      response.setContentType("APPLICATION/OCTET-STREAM"); 
      response.setHeader("Content-Disposition", headStr); 
      ExportExcelDownFee ex ; 
      ex = new ExportExcelDownFee(sheettitle, oneheaders, dateheaders,headers, dataList);//没有标题 
      ex.export(workbook,out); 
    } 
  } 
  workbook.write(out); //循环生成多个sheet之后在导出Excel
  out.close(); //关闭流
} catch (Exception e) { 
  e.printStackTrace(); 
}

 工具类:

public class ExportExcelDownFee { 
 
  //导出表的列名 
  private String[] rowName ; 
  //导出表的小标题 
  private String oneheaders; 
  //导出表的日期 
  private String dateheaders; 
  //sheet表表名 
  private String sheettitle; 
 
  private List dataList = new ArrayList(); 
 
  HttpServletResponse response; 
   
  //构造方法2,传入要导出的数据 
  public ExportExcelDownFee( String sheettitle, String oneheaders, String dateheaders, String[] rowName,List dataList){ 
    this.dataList = dataList; 
    this.oneheaders = oneheaders; 
    this.dateheaders = dateheaders; 
    this.rowName = rowName; 
    this.sheettitle = sheettitle; 
  } 
   
  /* 
   * 导出数据 
   * */ 
  public void export(HSSFWorkbook workbook,OutputStream out) throws Exception{ 
    try{ 
      HSSFSheet sheet = workbook.createSheet(sheettitle);         // 创建工作表 
 
      HSSFCellStyle columnTopStyle = this.getColumnTopStyle(workbook);//获取列头样式对象 
      HSSFCellStyle style = this.getStyle(workbook);         //单元格样式对象 
 
      //第一行 
      HSSFRow rowfirstName = sheet.createRow(0); 
      HSSFCell oneCellRowName = rowfirstName.createCell(0);        //创建列头对应个数的单元格 
      oneCellRowName.setCellType(HSSFCell.CELL_TYPE_STRING);       //设置列头单元格的数据类型 
      HSSFRichTextString onetext = new HSSFRichTextString(oneheaders); 
      oneCellRowName.setCellValue(onetext);                 //设置列头单元格的值 
      //合并单元格CellRangeAddress构造参数依次表示起始行,截至行,起始列, 截至列  
      sheet.addMergedRegion(new CellRangeAddress(0,0,0,3));  
      oneCellRowName.setCellStyle(columnTopStyle);            //设置列头单元格样式 
       
      //第二行 
      HSSFRow rowDateName = sheet.createRow(1); 
      HSSFCell DateCellRowName = rowDateName.createCell(3); 
      DateCellRowName.setCellValue(dateheaders); 
      DateCellRowName.setCellStyle(columnTopStyle);  
       
      // 定义所需列数 
      int columnNum = rowName.length; 
      HSSFRow rowRowName = sheet.createRow(2);        // 在索引2的位置创建行(最顶端的行开始的第二行) 
 
      // 将列头设置到sheet的单元格中 
      for(int n=0;n 
 

以上所述是小编给大家介绍的java导出包含多个sheet的Excel代码示例详解整合,希望对大家有所帮助,如果大家有任何疑问请给我留言,小编会及时回复大家的。在此也非常感谢大家对脚本之家网站的支持!

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