线程池

public void dorun(){
//构造一个线程池 
ThreadPoolExecutor threadPool = new ThreadPoolExecutor(5, 10, 3, 
TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10), 
            new ThreadPoolExecutor.CallerRunsPolicy()); 
for (int i = 1; i <= sheet.getLastRowNum(); i++)
{
             threadPool.execute(new FileHandlerThread(this,sheet.getRow(i)));
}  
threadPool.shutdown();
try {  
       boolean loop = true;  
       do {    //等待所有任务完成  
          loop = !threadPool.awaitTermination(2, TimeUnit.SECONDS);  
             } while(loop);  
       } catch (InterruptedException e) {  
                e.printStackTrace();  
       }  
 }
public void addResult(String returnvalue){
   ...//主线程和子线程通信用的
} 

class FileHandlerThread implements Runnable,Serializable{

	private HSSFRow row;
	private FileHandler fileHandler;
	public FileHandlerThread(FileHandler fileHandler,HSSFRow row){
		this.row = row;
		this.fileHandler = fileHandler;
	}
	public void run() {
		fileHandler.addResult(returnvalue);
	}
	
}