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Java web的读取Excel简单实例代码

  • 时间:2022-09-01 00:37 编辑: 来源: 阅读:
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摘要:Java web的读取Excel简单实例代码
目录结构: [img]http://files.jb51.net/file_images/article/201606/2016060310502811.png[/img] Data.xls数据: [img]http://files.jb51.net/file_images/article/201606/2016060310502812.png[/img]   [b]后台页面:[/b]
public void doGet(HttpServletRequest request, HttpServletResponse response) 

      throws ServletException, IOException { 

    //System.out.println(this.getServletContext().getRealPath ("/")); 

    try{ 

      Workbook wb = Workbook.getWorkbook( 

          new File(this.getServletContext().getRealPath ("/")+"data.xls")); 

      System.out.println("2222222"); 

      List<Data> data = new ArrayList<Data>(); 

      for(int i=1;i<wb.getSheet(0).getRows();i++){ 

        Cell[] cell = wb.getSheet(0).getRow(i); 

        data.add(new Data(cell[0].getContents(),cell[1].getContents(),cell[2].getContents()));                 

        System.out.println(cell[1].getContents());           

      } 

      wb.close(); 

      request.setAttribute("data", data); 

      request.getRequestDispatcher("../index.jsp").forward(request, response); 

    }catch(Exception e){ 

      e.printStackTrace(); 

    } 

  } 
[b]Data.java [/b]  
public class Data { 

 

   

  private String id; 

  private String name; 

  private String password; 

   

   

   

  public Data() { 

    super(); 

    // TODO Auto-generated constructor stub 

  } 

  public Data(String id, String name, String password) { 

    super(); 

    this.id = id; 

    this.name = name; 

    this.password = password; 

  } 

  public String getId() { 

    return id; 

  } 
 前台页面: [b]Index.jsp: [/b]
<body> 

<form action="servlet/getExcelData" method="post"> 

<input type="submit" id="tijiao" value="submit"> 

</form> 

<% 

  List<Data> data = new ArrayList<Data>(); 

  data=(List<Data>)request.getAttribute("data"); 

  if(data!=null&&data.size()>0) 

  for(Data d:data){ 

    out.println(d.getId()+"---"+d.getName()+"---"+d.getPassword()); 

  }   

%> 

</body> 
[b]运行结果:[/b] [img]http://files.jb51.net/file_images/article/201606/2016060310502813.png[/img] 以上这篇Java web的读取Excel简单实例代码就是小编分享给大家的全部内容了,希望能给大家一个参考,也希望大家多多支持编程素材网。
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