多线程读写多个文件01

Posted 2021-11-25 helloworld6379

/**
 * 给不同记录标红 只能是xls格式  xlsx格式不行
 */
@Component
public class AutomaticTestContrastExcelBL {
    private final Log logger = LogFactory.getLog(this.getClass());


    public void dealDate(String excelFileName) {
        File filedir = new File(excelFileName);
        if (filedir.isDirectory()) {

            long start = System.currentTimeMillis();
            String[] files = filedir.list();
            BlockingQueue blockingQueue=new ArrayBlockingQueue<>(16);
            ThreadPoolExecutor threadPoolExecutor=new ThreadPoolExecutor((files.length + 1), (files.length + 3), 2, TimeUnit.MINUTES, blockingQueue);
            //ExecutorService pool = Executors.newCachedThreadPool();  //创建线程池
            for (int i = 0; i < files.length; i++) {
                //logger.info("第：  " + i);
                Runnable runnable= new DealExcel(files, i,excelFileName);
                threadPoolExecutor.execute(runnable);
                //DealExcel dealExcel = new DealExcel(files, i,excelFileName);
                //pool.submit(dealExcel);
            }

            threadPoolExecutor.shutdown();//不会触发中断
            //threadPoolExecutor.
            //pool.shutdown(); //结束线程池
            long end = System.currentTimeMillis();
            logger.info("-----------------------------------" + (end - start)  );


        }

    }

}

　　

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package com.sinosoft.auto.thread;

import com.sinosoft.utility.ExceptionUtils;
import jxl.Workbook;
import jxl.format.CellFormat;
import jxl.format.Colour;
import jxl.write.*;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import java.io.File;
import java.io.FileInputStream;
import java.util.HashMap;
import java.util.Map;

public class DealExcel implements Runnable{

    private final Log logger = LogFactory.getLog(this.getClass());
    private String[] files;
    private int index;
    private String fileName;

    public DealExcel(String[] files, int index,String fileName) {
        this.files = files;
        this.index = index;
        this.fileName = fileName;

    }

    @Override
    public void run() {
        logger.info(fileName  +"/" + files[index]);
        contrastExcel(new File((fileName  +"/" + files[index])));
    }

    public void contrastExcel(File file) {
        try {
            logger.info("开始标记：" + file.getAbsoluteFile() + " ::: " + file.getName());
            FileInputStream inputStream = new FileInputStream(file.getAbsoluteFile());
            Workbook workbook = Workbook.getWorkbook(inputStream);

            WritableWorkbook wbe = Workbook.createWorkbook(file.getAbsoluteFile(), workbook);
            int numberOfSheets = wbe.getNumberOfSheets();
            WritableCellFormat wcf = new WritableCellFormat();
            wcf.setBackground(Colour.RED);

            for (int index = 0; index < numberOfSheets; index++) {
                // 每个页签创建一个Sheet对象
                WritableSheet sheet = wbe.getSheet(index);        //获取sheet
                // sheet.getColumns()返回该页的总列数
                int column_total = sheet.getColumns();
                int rows = sheet.getRows();
                Map<String, Integer> map = new HashMap<>(16);
                WritableCell cell = sheet.getWritableCell(0, 0); //获取第一行的所有单元格
                CellFormat cf = cell.getCellFormat();

                //List<String> arr = new ArrayList<>();
                //boolean aa = arr.contains("aa");
                for (int j = 0; j < column_total; j++) {
                    for (int i = 1; i < rows; i++) {
                        if (i == 1) {
                            String cellinfo1 = sheet.getCell(j, i).getContents();
                            map.put(cellinfo1, i);
                        } else {
                            String cellinfo2 = sheet.getCell(j, i).getContents();
                            if (!map.containsKey(cellinfo2)) {
                                for (int k = 1; k < rows; k++) {
                                    String cellinfo3 = sheet.getCell(j, k).getContents();
                                    Label lbl = new Label(j, k, cellinfo3, wcf);//修改後的值
                                    sheet.addCell(lbl);
                                }
                            }

                            if (i == (rows - 1)) {  //循环到每列的最后一个，将清空
                                map.clear();
                            }
                        }


                    }

                }


            }

            wbe.write();    //将修改保存到workbook
            wbe.close();
            logger.info("标记：" + file.getAbsoluteFile() + " ::: " + file.getName() + "  :::  完毕 ");
        } catch (Exception e) {
            e.printStackTrace();
            logger.error("Excel文件区分标记异常" + ExceptionUtils.exceptionToString(e));
        }
    }



}