baseentity.java

网上购物系统

package eshopsys.tools.base;
import java.io.Serializable;
import java.lang.reflect.AccessibleObject;
import java.lang.reflect.Field;

public abstract class BaseEntity
implements Serializable {
 //该方法采用反射机制把对象各项属性打印出来，程序调试时非常有用
  public String toString() {
    StringBuffer buffer = new StringBuffer();
    Class c = getClass();
    buffer.append(c.getName());
    buffer.append("[");
    Field fields[] = c.getDeclaredFields();
    try {
      AccessibleObject.setAccessible(fields, true);
      for (int i = 0; i < fields.length; i++) {
        if (i != 0) {
          buffer.append(",");
        }
        String name = fields[i].getName();
        Object value = fields[i].get(this);
        buffer.append(name + "=" + value);
      }
    }
    catch (Exception exception) {}
    	buffer.append("]");
    	return buffer.toString();
  }
}