Java web的讀取Excel簡略實例代碼。本站提示廣大學習愛好者:(Java web的讀取Excel簡略實例代碼)文章只能為提供參考,不一定能成為您想要的結果。以下是Java web的讀取Excel簡略實例代碼正文
目次構造:
Data.xls數據:
後台頁面:
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(); } }
Data.java
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; }
前台頁面:
Index.jsp:
<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>
運轉成果:
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