Java POI 读取Office excel (2003,2007)及相关jar包

poi-3.7-20101029.jar,下载地址:http://download.csdn.net/detail/evangel_z/4107089

geronimo-stax-api_1.0_spec-1.0.jar,下载地址:http://download.csdn.net/detail/evangel_z/4107083

xmlbeans-2.3.0.jar,下载地址:http://download.csdn.net/detail/evangel_z/4107140

poi-ooxml-3.7-20101029.jar,下载地址:http://download.csdn.net/detail/evangel_z/4107145

poi-ooxml-schemas-3.7-20101029.jar,下载地址:http://download.csdn.net/detail/evangel_z/4108997

以上5个jar,就可读取Excel 2003;

----------------------------------------------------------------------------------------------------------------------------------------

读取Excel 2007,请加上dom4j-1.6.1.jar,下载地址:http://download.csdn.net/detail/evangel_z/6739735

----------------------------------------------------------------------------------------------------------------------------------------

poi-3.6-20091214.jar,下载地址:http://download.csdn.net/detail/evangel_z/3895051

poi-contrib-3.6-20091214.jar,下载地址: http://download.csdn.net/detail/evangel_z/4107197

poi-scratch.6-20091214.jar,下载地址:http://download.csdn.net/detail/evangel_z/4107204

读取excel 文件的 java 代码:
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.io.PushbackInputStream;
import java.text.DecimalFormat;
import java.text.SimpleDateFormat;
import java.util.LinkedList;
import java.util.List;

import org.apache.poi.POIXMLDocument;
import org.apache.poi.hssf.usermodel.HSSFCell;
import org.apache.poi.hssf.usermodel.HSSFDateUtil;
import org.apache.poi.hssf.usermodel.HSSFRow;
import org.apache.poi.hssf.usermodel.HSSFSheet;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.poifs.filesystem.POIFSFileSystem;
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 read_Excel{
    /** 
     * 对外提供读取excel 的方法 
     */ 
    public static List<List<Object>> readExcel(File file) throws IOException{
        List<List<Object>> list = new LinkedList<List<Object>>();
        InputStream inp;
        try {
            inp = new FileInputStream(file);
            if(! inp.markSupported()) {
                inp = new PushbackInputStream(inp, 8);
            }
            try {
                if(POIFSFileSystem.hasPOIFSHeader(inp)) {
                    list = read2003Excel(file);
                }
                if(POIXMLDocument.hasOOXMLHeader(inp)) {
                    list = read2007Excel(file);
                }
            } catch (IOException e) {
                 throw new IOException("不支持的文件类型"); 
            }
           
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        }
        return list;
    } 
 
    /** 
     * 读取 office 2003 excel 
     *  
     * @throws IOException 
     * @throws FileNotFoundException 
     */ 
    private static List<List<Object>> read2003Excel(File file) 
            throws IOException { 
        List<List<Object>> list = new LinkedList<List<Object>>(); 
        HSSFWorkbook hwb = new HSSFWorkbook(new FileInputStream(file)); 
        HSSFSheet sheet = hwb.getSheetAt(0); 
        Object value = null; 
        HSSFRow row = null; 
        HSSFCell cell = null; 
        System.out.println("读取office 2003 excel内容如下:"); 
        for (int i = sheet.getFirstRowNum(); i <= sheet 
                .getPhysicalNumberOfRows(); i++) { 
            row = sheet.getRow(i); 
            if (row == null) { 
                continue; 
            } 
            List<Object> linked = new LinkedList<Object>(); 
            for (int j = row.getFirstCellNum(); j <= row.getLastCellNum(); j++) { 
                cell = row.getCell(j); 
                if (cell == null) { 
                    continue; 
                } 
                DecimalFormat df = new DecimalFormat("0");// 格式化 number String 
                // 字符 
                SimpleDateFormat sdf = new SimpleDateFormat( 
                        "yyyy-MM-dd HH:mm:ss");// 格式化日期字符串 
                DecimalFormat nf = new DecimalFormat("0.00");// 格式化数字 
                switch (cell.getCellType()) { 
                case XSSFCell.CELL_TYPE_STRING: 
                    // System.out.println(i + "行" + j + " 列 is String type"); 
                    value = cell.getStringCellValue(); 
                    System.out.print("  " + value + "  "); 
                    break; 
                case XSSFCell.CELL_TYPE_NUMERIC: 
                    // System.out.println(i + "行" + j 
                    // + " 列 is Number type ; DateFormt:" 
                    // + cell.getCellStyle().getDataFormatString()); 
                    if ("@".equals(cell.getCellStyle().getDataFormatString())) { 
                        value = df.format(cell.getNumericCellValue()); 
 
                    } else if ("General".equals(cell.getCellStyle() 
                            .getDataFormatString())) { 
                        value = nf.format(cell.getNumericCellValue()); 
                    } else { 
                        value = sdf.format(HSSFDateUtil.getJavaDate(cell 
                                .getNumericCellValue())); 
                    } 
                    System.out.print("  " + value + "  "); 
                    break; 
                case XSSFCell.CELL_TYPE_BOOLEAN: 
                    // System.out.println(i + "行" + j + " 列 is Boolean type"); 
                    value = cell.getBooleanCellValue(); 
                    System.out.print("  " + value + "  "); 
                    break; 
                case XSSFCell.CELL_TYPE_BLANK: 
                    // System.out.println(i + "行" + j + " 列 is Blank type"); 
                    value = ""; 
                    System.out.print("  " + value + "  "); 
                    break; 
                default: 
                    // System.out.println(i + "行" + j + " 列 is default type"); 
                    value = cell.toString(); 
                    System.out.print("  " + value + "  "); 
                } 
                if (value == null || "".equals(value)) { 
                    continue; 
                } 
                linked.add(value); 
 
            } 
            System.out.println(""); 
            list.add(linked); 
        } 
 
        return list; 
    } 
 
    /** 
     * 读取Office 2007 excel 
     */ 
 
    private static List<List<Object>> read2007Excel(File file) 
            throws IOException { 
 
        List<List<Object>> list = new LinkedList<List<Object>>(); 
        // String path = System.getProperty("user.dir") + 
        // System.getProperty("file.separator")+"dd.xlsx"; 
        // System.out.println("路径:"+path); 
        // 构造 XSSFWorkbook 对象,strPath 传入文件路径 
        XSSFWorkbook xwb = new XSSFWorkbook(new FileInputStream(file)); 
 
        // 读取第一章表格内容 
        XSSFSheet sheet = xwb.getSheetAt(0); 
        Object value = null; 
        XSSFRow row = null; 
        XSSFCell cell = null; 
        System.out.println("读取office 2007 excel内容如下:"); 
        for (int i = sheet.getFirstRowNum(); i <= sheet 
                .getPhysicalNumberOfRows(); i++) { 
            row = sheet.getRow(i); 
            if (row == null) { 
                continue; 
            } 
            List<Object> linked = new LinkedList<Object>(); 
            for (int j = row.getFirstCellNum(); j <= row.getLastCellNum(); j++) { 
                cell = row.getCell(j); 
                if (cell == null) { 
                    continue; 
                } 
                DecimalFormat df = new DecimalFormat("0");// 格式化 number String 
                // 字符 
                SimpleDateFormat sdf = new SimpleDateFormat( 
                        "yyyy-MM-dd HH:mm:ss");// 格式化日期字符串 
                DecimalFormat nf = new DecimalFormat("0.00");// 格式化数字 
 
                switch (cell.getCellType()) { 
                case XSSFCell.CELL_TYPE_STRING: 
                    // System.out.println(i + "行" + j + " 列 is String type"); 
                    value = cell.getStringCellValue(); 
                    System.out.print("  " + value + "  "); 
                    break; 
                case XSSFCell.CELL_TYPE_NUMERIC: 
                    // System.out.println(i + "行" + j 
                    // + " 列 is Number type ; DateFormt:" 
                    // + cell.getCellStyle().getDataFormatString()); 
                    if ("@".equals(cell.getCellStyle().getDataFormatString())) { 
                        value = df.format(cell.getNumericCellValue()); 
 
                    } else if ("General".equals(cell.getCellStyle() 
                            .getDataFormatString())) { 
                        value = nf.format(cell.getNumericCellValue()); 
                    } else { 
                        value = sdf.format(HSSFDateUtil.getJavaDate(cell 
                                .getNumericCellValue())); 
                    } 
                    System.out.print("  " + value + "  "); 
                    break; 
                case XSSFCell.CELL_TYPE_BOOLEAN: 
                    // System.out.println(i + "行" + j + " 列 is Boolean type"); 
                    value = cell.getBooleanCellValue(); 
                    System.out.print("  " + value + "  "); 
                    break; 
                case XSSFCell.CELL_TYPE_BLANK: 
                    // System.out.println(i + "行" + j + " 列 is Blank type"); 
                    value = ""; 
                    // System.out.println(value); 
                    break; 
                default: 
                    // System.out.println(i + "行" + j + " 列 is default type"); 
                    value = cell.toString(); 
                    System.out.print("  " + value + "  "); 
                } 
                if (value == null || "".equals(value)) { 
                    continue; 
                } 
                linked.add(value); 
            } 
            System.out.println(""); 
            list.add(linked); 
        } 
        return list; 
    } 
}

你可能感兴趣的:(java,Excel,2007)