package test;import io.ExcelOperat;import java.io.File;import java.io.IOException;import java.util.HashMap;import java.util.Map;/** * @ProjectName: TutorDualSelectionSystem * @Package: test * @ClassName: MapNestedDemo * @Author: 王团结 * @Description: 手工排课类 * @Date: 2019/7/2 15:17 * @Version: 1.0 */public class MapNestedDemo {    public static void main(String[] args) {////        String path_01="C:\\Users\\ASUS\\Desktop\\2019-2020学年第一学期教材征订计划3.xls";//        String path_02="C:\\Users\\ASUS\\Desktop\\startClassPlan_fb.xls";////        String path_01="C:\\Users\\ASUS\\Desktop\\手工排课.xls";//        String path_02="C:\\Users\\ASUS\\Desktop\\startClassPlan_fb.xls";        String path_01="C:\\Users\\ASUS\\Desktop\\手工排课.xls";        String path_02="C:\\Users\\ASUS\\Desktop\\startClassPlan_fb.xls";        //第一个文件迭代输出        System.out.println("第一个文件迭代输出");        System.out.println("----------------------------------------------------------------------------------------------");        String[] put_01 = crow(path_01);        //第二个文件迭代输出        System.out.println("第二个文件迭代输出");        System.out.println("----------------------------------------------------------------------------------------------");        String[] put_02= crow(path_02);////        compare(put_01,put_02);    }    private static String[] crow(String path) {        File file_01 = new File(path);        String[][] excel = new String[0][];        try {            excel = ExcelOperat.getData(file_01, 1);        } catch (IOException e) {            System.out.println("--------------------------------------------------------------------------");            System.out.println("读取错误!");        }        int rowLength = excel.length;        //输出总行数        System.out.println("文件"+path+"总行数" + rowLength);        System.out.println("--------------------------------------------------------------------------");        String[] total=new String[3000];        int m=0;        for (int i=0;i

 

 

 

package io;import java.io.BufferedInputStream;import java.io.File;import java.io.FileInputStream;import java.io.FileNotFoundException;import java.io.IOException;import java.text.DecimalFormat;import java.text.SimpleDateFormat;import java.util.ArrayList;import java.util.Arrays;import java.util.Date;import java.util.List;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;/** * @ProjectName: TutorDualSelectionSystem * @Package: io * @ClassName: ExcelOperat * @Author: 王团结 * @Description: 读取Excel内容 * @Date: 2019/7/2 14:39 * @Version: 1.0 */public class ExcelOperat {//    public static void main(String[] args) throws Exception {////        File file = new File("C:\\Users\\ASUS\\Desktop\\2019-2020学年第一学期教材征订计划3.xls");////        String[][] result = getData(file, 1);////        int rowLength = result.length;////////         for (int i = 0; i < rowLength; i++) {//             System.out.print(result[i][2] + "\t\t");            for (int j = 0; j < result[i].length; j++) {
                    System.out.print(result[i][j] + "\t\t");            }////            System.out.println();////        }//////    }    /**     * 读取Excel的内容，第一维数组存储的是一行中格列的值，二维数组存储的是多少个行     *     * @param file       读取数据的源Excel     * @param ignoreRows 读取数据忽略的行数，比喻行头不需要读入 忽略的行数为1     * @return 读出的Excel中数据的内容     * @throws FileNotFoundException     * @throws IOException     */    public static String[][] getData(File file, int ignoreRows)            throws FileNotFoundException, IOException {        List
     
       result = new ArrayList
      
       ();        int rowSize = 0;        BufferedInputStream in = new BufferedInputStream(new FileInputStream(                file));        // 打开HSSFWorkbook        POIFSFileSystem fs = new POIFSFileSystem(in);        HSSFWorkbook wb = new HSSFWorkbook(fs);        HSSFCell cell = null;        for (int sheetIndex = 0; sheetIndex < wb.getNumberOfSheets(); sheetIndex++) {            HSSFSheet st = wb.getSheetAt(sheetIndex);            // 第一行为标题，不取            for (int rowIndex = ignoreRows; rowIndex <= st.getLastRowNum(); rowIndex++) {                HSSFRow row = st.getRow(rowIndex);                if (row == null) {                    continue;                }                int tempRowSize = row.getLastCellNum() + 1;                if (tempRowSize > rowSize) {                    rowSize = tempRowSize;                }                String[] values = new String[rowSize];                Arrays.fill(values, "");                boolean hasValue = false;                for (short columnIndex = 0; columnIndex <= row.getLastCellNum(); columnIndex++) {                    String value = "";                    cell = row.getCell(columnIndex);                    if (cell != null) {                        // 注意：一定要设成这个，否则可能会出现乱码                        cell.setEncoding(HSSFCell.ENCODING_UTF_16);                        switch (cell.getCellType()) {                            case HSSFCell.CELL_TYPE_STRING:                                value = cell.getStringCellValue();                                break;                            case HSSFCell.CELL_TYPE_NUMERIC:                                if (HSSFDateUtil.isCellDateFormatted(cell)) {                                    Date date = cell.getDateCellValue();                                    if (date != null) {                                        value = new SimpleDateFormat("yyyy-MM-dd")                                                .format(date);                                    } else {                                        value = "";                                    }                                } else {                                    value = new DecimalFormat("0").format(cell                                            .getNumericCellValue());                                }                                break;                            case HSSFCell.CELL_TYPE_FORMULA:                                // 导入时如果为公式生成的数据则无值                                if (!cell.getStringCellValue().equals("")) {                                    value = cell.getStringCellValue();                                } else {                                    value = cell.getNumericCellValue() + "";                                }                                break;                            case HSSFCell.CELL_TYPE_BLANK:                                break;                            case HSSFCell.CELL_TYPE_ERROR:                                value = "";                                break;                            case HSSFCell.CELL_TYPE_BOOLEAN:                                value = (cell.getBooleanCellValue() == true ? "Y"                                        : "N");                                break;                            default:                                value = "";                        }                    }                    if (columnIndex == 0 && value.trim().equals("")) {                        break;                    }                    values[columnIndex] = rightTrim(value);                    hasValue = true;                }                if (hasValue) {                    result.add(values);                }            }        }        in.close();        String[][] returnArray = new String[result.size()][rowSize];        for (int i = 0; i < returnArray.length; i++) {            returnArray[i] = (String[]) result.get(i);        }        return returnArray;    }    /**     * 去掉字符串右边的空格     *     * @param str 要处理的字符串     * @return 处理后的字符串     */    public static String rightTrim(String str) {        if (str == null) {            return "";        }        int length = str.length();        for (int i = length - 1; i >= 0; i--) {            if (str.charAt(i) != 0x20) {                break;            }            length--;        }        return str.substring(0, length);    }}