java插件POI编辑Excel源码

以下内容为测试代码:

packagecom.lzz.hssf;

importjava.io.FileInputStream;

importjava.io.InputStream;

importjava.util.Iterator;

importorg.apache.poi.hssf.extractor.ExcelExtractor;

importorg.apache.poi.hssf.usermodel.HSSFCell;

importorg.apache.poi.hssf.usermodel.HSSFDateUtil;

importorg.apache.poi.hssf.usermodel.HSSFRow;

importorg.apache.poi.hssf.usermodel.HSSFSheet;

importorg.apache.poi.hssf.usermodel.HSSFWorkbook;

/** 

 * 读取上篇中的xls文件的内容,并打印出来 

 */

public classPoiReadTable {

    /**读取一个excel文件的内容 */

    public static void main(String[] args) throwsException {

        //extractor(); 

readTable();

}

    //对单元格遍历的形式来获取信息 

    public static void readTable() throwsException{

        InputStream ips=new FileInputStream("d://test2-1.xls");

        HSSFWorkbook wb=newHSSFWorkbook(ips);

        HSSFSheet sheet=wb.getSheetAt(0);

        for(Iterator ite=sheet.rowIterator();ite.hasNext();){

HSSFRow row=(HSSFRow)ite.next();

System.out.println();

            for(Iterator itet=row.cellIterator();itet.hasNext();){

HSSFCell cell=(HSSFCell)itet.next();

                switch(cell.getCellType()){

                caseHSSFCell.CELL_TYPE_BOOLEAN:

                    System.out.print(cell.getBooleanCellValue()+" ");

                    break;

                caseHSSFCell.CELL_TYPE_NUMERIC:

                    //检查是否是日期格式   

                    if(HSSFDateUtil.isCellDateFormatted(cell)){

                        //读取日期格式   

                        System.out.print(cell.getDateCellValue()+" ");

                    }else{

                        //读取数字   

                        System.out.print(cell.getNumericCellValue()+" ");

}

                    break;

                caseHSSFCell.CELL_TYPE_FORMULA:

                    //读取公式   

                    System.out.print(cell.getCellFormula()+" ");

                    break;

                caseHSSFCell.CELL_TYPE_STRING:

                    //读取String   

                    System.out.print(cell.getRichStringCellValue().toString()+" ");

                    break;

}

}

}

}

    //抽取excel中的数据 

    public static void extractor() throwsException{

        InputStream ips=new FileInputStream("d://test2-1.xls");

        HSSFWorkbook wb=newHSSFWorkbook(ips);

        ExcelExtractor ex=newExcelExtractor(wb);

        ex.setFormulasNotResults(true);

        ex.setIncludeSheetNames(false);

String text=ex.getText();

System.out.println(text);

}

}

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