目录结构：
Data.xls数据:
后台页面：
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;
}
前台页面：
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>
运行结果：
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phpstudy。