多线程处理相关业务

package test;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

import com.dbn.oatong.sysmodule.utils.DbnBase64;
import com.dbn.oatong.sysmodule.utils.QRUtil;

/**
 * 个人二维码
 * @author 
 *
 */
public class PersonTwoDimensional {

    public static void main(String[] args) throws Exception {
/*//        String base64Str = new String(DbnBase64.encode("999933363184714496", ""));
        String base64Str = new String(DbnBase64.encode("635825967106673738", ""));
//        String base64Str = new String(DbnBase64.encode("1", ""));
        
        
        
        
        String content = "http://xxx/ocr/person/scanUserInfo.action?p&code=" + base64Str;
//        String content = "http://xxx/ocr/person/scanUserInfo.action?code=1";
//        String content = "1";
        int width = 472;
        int height = 472;
//        int bgFlag = 8;
//        int degree = 18;
        
        String blankPath = "";//白色边框，不需要
        String modelPath = "";//头像，不需要
        
        String imagePath = "D:\\testTwoDemison2.png";
        
        String fileServerUrl = "";//上传用的，这里不需要
        String uploadSource = "";//上传用的，这里不需要
        String uploadKey = "";//上传用的，这里不需要
        
        String qrImgPath = QRUtil.encode(content, width, height, imagePath);*/
        
        
        final String topFolder = "D:\\EmpQRCode\\";
        String dataTxt = "D:\\empData.txt";
        
        BufferedReader br = new BufferedReader(new FileReader(new File(dataTxt)));
        int lineNum = 34799;//总共34799行
        final List<String> lineArr = new ArrayList<String>(lineNum);
        String lineStr = null;
        
        long startTime = System.currentTimeMillis();
        while ((lineStr = br.readLine()) != null) {
            lineArr.add(lineStr);
        }
        
        br.close();
        
        long endTime = System.currentTimeMillis();
        System.out.println("读取文件耗时:" + (endTime - startTime));
        
        int threadNum = 10;//处理的总线程数
        int batchItems = lineNum / threadNum;//每个线程处理的行数
        
        for (int i = 0; i < threadNum; i++) {
            final int beginLineNum = i * batchItems;
            final int endLineNum;
            
            if (i == threadNum - 1) {
                endLineNum = lineNum - 1;
            } else {
                endLineNum = (i + 1) * batchItems - 1;
            }
            
            
            final int threadId = i;
            
            Thread t = new Thread("线程" + i) {
                public void run() {
                    long begin = System.currentTimeMillis();
                    //每个线程分别处理相应的任务
                    for (int j = beginLineNum; j <= endLineNum; j++) {
                        String userData = lineArr.get(j);
                        
                        String[] userDataArr = userData.split("\\|");
                        //具体的任务处理
                        String base64Id = new String(DbnBase64.encode(userDataArr[0], ""));
                        String qrCodeContent = "http://xxx/ocr/person/scanUserInfo.action?p&code=" + base64Id;
                        
                        String folderStr = topFolder + userDataArr[3] + threadId;
                        
                        File folder = new File(folderStr);
                        if (!folder.exists()) {
                            folder.mkdir();
                        }
                        String userName = userDataArr[1].replace("*", "");
                        String qrImgPath = folderStr + "\\" + userName + "_" + userDataArr[2] + ".png";
                        
                        QRUtil.encode(qrCodeContent, 472, 472, qrImgPath);
                    }
                    
                    long end = System.currentTimeMillis();
                    System.out.println(this.getName() + "耗时:" + (end - begin));
                }
            };
            t.start();
        }
    }

}

/**
 * 
 * 
 * 
读取文件耗时:22
线程0耗时:203727
线程9耗时:203896
线程1耗时:203914
线程5耗时:204127
线程7耗时:204374
线程3耗时:204394
线程8耗时:204691
线程6耗时:204874
线程2耗时:205123
线程4耗时:205339
 * 
 * 
 * 
 * 
 * 
 * 
 * 
 * 
 * 
 * 
 */