[WebMethod]
public Image GetPartitionPic(Image sourceimg,int x,int y,int width,int height)
{
Bitmap b=new Bitmap(width,height);
..............
}
运行时总报错:无法序列化,因为Image没有公有构造函数(注:我已写了构造)

public class 人生历程 extends Thread{public void run(){while(true){努力,努力,再努力!!;Thread.sleep(0);}}}