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JXL读取excel代码示例

import java.io.File;<br /> import java.io.FileInputStream;<br /> import java.io.FileNotFoundException;<br /> import java.io.IOException;<br /> import java.io.InputStream;<br /> import java.util.HashMap;<br /> import jxl.Cell;<br /> import jxl.Sheet;<br /> import jxl.Workbook;<br /> import jxl.read.biff.BiffException;<br /> import org.apache.struts.upload.FormFile;<br /> /**<br /> * @author Hay Vanpull<br /> *<br /> */<br /> public class JXLTOOL<br /> {<br /> private Workbook workbook = null; // 工作部对象</p> <p> private HashMap<String, String> mapData = null; // data数据</p> <p> private Sheet sheet = null; // 工作表</p> <p> public int totalRows = 0; // 总行数</p> <p> public int totalCells = 0; // 总列数</p> <p> /**<br /> * 以一个InputStream为参数的构造器<br /> *<br /> * @param inputStream<br /> * @throws IOException<br /> * @throws BiffException<br /> */<br /> public JXLTOOL(InputStream inputStream) throws BiffException, IOException<br /> {<br /> this.workbook = Workbook.getWorkbook(inputStream);<br /> this.sheet = this.workbook.getSheet(0);<br /> this.getRows();<br /> this.getCells();<br /> }</p> <p> /**<br /> * 以一个Struts FormFile为参数的构造器<br /> *<br /> * @param file<br /> * @throws IOException<br /> * @throws FileNotFoundException<br /> * @throws BiffException<br /> */<br /> public JXLTOOL(FormFile file) throws FileNotFoundException, IOException,<br /> BiffException<br /> {<br /> this(file.getInputStream());<br /> }</p> <p> /**<br /> * 以一个File为参数的构造器<br /> *<br /> * @param file<br /> * @throws IOException<br /> * @throws BiffException<br /> */<br /> public JXLTOOL(File file) throws BiffException, IOException<br /> {<br /> this(new FileInputStream(file));<br /> }</p> <p> /**<br /> * 以一个文件路径path的构造器<br /> *<br /> * @param filePath<br /> * @throws IOException<br /> * @throws BiffException<br /> */<br /> public JXLTOOL(String filePath) throws BiffException, IOException<br /> {</p> <p> this(new File(filePath));<br /> }</p> <p> /**<br /> * 把所有数据放到一个map中去,key为行号加列号<br /> *<br /> * @return<br /> */<br /> public HashMap<String, String> getExcelDate()<br /> {<br /> mapData = new HashMap<String, String>();<br /> for (int i = 0; i < this.totalRows; i++)<br /> {<br /> for (int j = 0; j < this.totalCells; j++)<br /> {<br /> this.mapData.put(i + "" + j, this.getData(j, i));<br /> }<br /> }<br /> return this.mapData;<br /> }</p> <p> /**<br /> * 得到总行数<br /> */<br /> private void getRows()<br /> {<br /> this.totalRows = sheet.getRows();<br /> }</p> <p> /**<br /> * 得到总列数<br /> */<br /> private void getCells()<br /> {<br /> this.totalCells = this.sheet.getColumns();<br /> }</p> <p> /**<br /> * 得到数据<br /> *<br /> * @param cell<br /> * @param row<br /> * @return<br /> */<br /> private String getData(int cell, int row)<br /> {<br /> Cell rs = this.sheet.getCell(cell, row);<br /> return rs.getContents();<br /> }<br /> }

摘自：http://www.blogjava.net/hwpok/archive/2008/08/13/221782.html