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使用JExcel解析Excel文件

2006-02-28 22:27 288 查看
 

http://www.hyweb.net/blogs/

在使用Java读取和分析Excel文件时，通常是通过组件来完成的，比较常用的包括POI和JExcel，本文简单阐述了如何使用JExcel读入一个Excel文件，当文件读取后，可以做出自己的解析和修改操作，再加修改后的结果发回到JSP页面。

 JSP页面：

<%@ page language="java" import="java.util.*" pageEncoding="GBK"%>
<%@ page import="java.lang.*"%>
<%@ page import="java.io.*"%>
<%@ page import="net.hyweb.*"%>

<%

String temp = "C://TEMP";
com.sysway.oa.service.tools.Fileupload fileUpload = new com.sysway.oa.service.tools.Fileupload(temp, "/WEB-INF", request);

//通过检测checkbox的选择情况，确定文件上传路径
if(request.getParameterValues("ch1") != null){
String[] ch1 = request.getParameterValues("ch1");
if(ch1[0].equals("ch1")){
System.out.println("ch1 checked...");
String des1 = request.getRealPath("/FinancialReports/excelFile");
des1 = des1 + "//";
fileUpload.setDestinationPath(des1);
boolean uploadResult1 = fileUpload.Upload(true);
}
}

%>

<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">

<title>File upload JavaBean Page</title>

<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">

<LINK HREF="/res/skin/skycloud/base.css" REL=stylesheet TYPE="text/css">
<LINK HREF="/res/skin/skycloud/list.css" REL=stylesheet TYPE="text/css">
</head>

<body>
文件上传成功 <br>
</body>
</html>

 

   Java文件：

/*
* Author: Huang ye(www.hyweb.net)
* 代码开源, 引用请注明出处
*
* 2005-11-14
*
*/
package net.hyweb;

import java.io.File;
import java.io.OutputStream;

import jxl.Workbook;

public class ExcelConvertor {

public ExcelConvertor() {
super();
// TODO 自动生成构造函数存根
}

/**
* 传入目标xls文件位置，返回读出的excel文件
*/
public static void writeExcel(String inputPath, OutputStream os) throws Exception {

//A factory method which takes in an excel file and reads in the contents.
Workbook inWorkbook = Workbook.getWorkbook(new File(inputPath));

//Creates a writable workbook as a copy of the workbook passed in.
jxl.write.WritableWorkbook wwb = Workbook.createWorkbook(os, inWorkbook);

//将具体的处理逻辑（针对sheet和cell）放入这里

//写入Exel工作表
wwb.write();
//关闭Excel工作薄对象
wwb.close();
System.out.println("YES!");
}

}

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 
                                            

                                        

                        
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