POI解析Excel2007

package com.potevio.telecom.mobilenet;

import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;

import org.apache.poi.xssf.usermodel.XSSFCell;
import org.apache.poi.xssf.usermodel.XSSFRow;
import org.apache.poi.xssf.usermodel.XSSFSheet;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;

public class POIParseExcel2007 {
	
	/**
	 * POI 解析Excel2007版,生成HTML
	 * @param fileName 文件(含地址)
	 * @return 解析出来的HTML页面String
	 */
	public String parseXLS2007ForHtml(String fileName){
		StringBuffer content = new StringBuffer();
		XSSFWorkbook xwb = null;
		try{
			// 构造 XSSFWorkbook 对象,strPath 传入文件路径
			xwb = new XSSFWorkbook(fileName);
			content.append("<html><head><meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"><title>Parse Excel With POI</title></head><body>");
			// 循环工作表Sheet
			for (int numSheet = 0; numSheet < xwb.getNumberOfSheets(); numSheet++) {
				XSSFSheet xSheet = xwb.getSheetAt(numSheet);
				if (xSheet == null) {
					continue;
				}
				content.append("<table  border=1 cellspacing=0 cellpadding=1>");
				
				// 循环行Row
				for (int rowNum = 0; rowNum <= xSheet.getLastRowNum(); rowNum++) {
					XSSFRow xRow = xSheet.getRow(rowNum);
					if (xRow == null) {
						continue;
					}
					content.append("<tr align='middle'>");
					// 循环列Cell
					for (int cellNum = 0; cellNum <= xRow.getLastCellNum(); cellNum++) {
						XSSFCell xCell = xRow.getCell(cellNum);
						if (xCell == null || "".equals(xCell)) {
							content.append("<td>").append("&nbsp;").append("</td>");
						}else if (xCell.getCellType() == XSSFCell.CELL_TYPE_BOOLEAN) {
							content.append("<td>").append("&nbsp;").append(xCell.getBooleanCellValue()).append("</td>");
						} else if (xCell.getCellType() == XSSFCell.CELL_TYPE_NUMERIC) {
							content.append("<td>").append("&nbsp;").append(this.doubleToString(xCell.getNumericCellValue())).append("</td>");
						} else{
							content.append("<td>").append("&nbsp;").append(xCell.getStringCellValue()).append("</td>");
						} 	
					}
					content.append("</tr>");
				}
				content.append("</table>");
			}
			content.append("</body></html>");
			
		}catch(Exception e){
			e.printStackTrace();
			System.out.println("POI解析Excel2007错误");
		}
		return content.toString();
	}
	
	/**
	 * @description 给手机客户端生成EXCEL的查看地址
	 * @param clientExcelURL  生成的文件地址
	 * @param file_name_source  需要解析的文件地址
	 * @return  解析之后产生的文件地址
	 * 
	 */
	public String clientExcelUrl(String clientExcelURL,String file_name_source){
		OutputStream serverout = null;
		try {
			serverout = new FileOutputStream(clientExcelURL);
			serverout.write(this.parseXLS2007ForHtml(file_name_source).getBytes("UTF-8"));   //手机上默认是UTF-8的编码
		    serverout.flush();   
		    serverout.close();
		} catch (FileNotFoundException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		}finally{
			
		}
		return clientExcelURL;
	}
	
	/**
	 * change double variable into string type 
	 * @param d
	 * @return
	 */
	public String doubleToString(double d){ 
		String str = Double.valueOf(d).toString();
		String temp = str;
		String result = "";
		if(str.indexOf("E")>2)
			result = str.substring(0,1) + temp.substring(2, str.indexOf("E"));
		else{
			if(str.indexOf(".0")>0)
				result = str.substring(0,str.indexOf(".0")) ;
			else
				result = str;
		}
		return result;
	}
}

 poi的包下载:http://poi.apache.org/download.html

测试用的3.5-final-20090928(共8个包)

 

贴个测试代码:

package parseExcel2007;

import java.io.File;
import java.io.FileWriter;
import java.io.IOException;

public class TestC {
	
	public static void main(String[] args) {
		POIParseExcel2007 parse = new POIParseExcel2007();

		FileWriter fw = null;
		try {
			String content = "";
			String fileName = "F:/excel/测试07表格.xlsx";
			content = parse.parseXLS2007ForHtml(fileName);
			String target = "F:/test_0.html";
			File file = new File(target);
			fw = new FileWriter(file);
			fw.write(content);
			fw.flush();
		} catch (Exception e) {
			e.printStackTrace();
		} finally {
			if (fw != null)
				try {
					fw.close();
				} catch (IOException e) {
					e.printStackTrace();
				}
		}
	}
}

 补充:

     POI需要的8个包截图如下:

    
POI解析Excel2007
 

   

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