在Struts和Hibernate之间搭起桥梁

/**
* @hibernate.class table="CATEGORY"
*/ 
public class Category {
   private Long id;

   private String name;

   /**
    * @hibernate.id generator-class="native" column="CATEGORY_ID"
    */
   public Long getId() {
      return id;
   }

   public void setId(Long id) {
      this.id = id;
   }

   /**
    * @hibernate.property column="NAME"
    */
   public String getName() {
      return name;
   }

   public void setName(Long name) {
      this.name = name;
   }
}

/**
* @hibernate.class table="PRODUCT"
*/
public class Product {
   private Long id;
   private Category category;

   /**
    * @hibernate.id generator-class="native" column="PRODUCT_ID"
    */
   public Long getId() {
      return id;
   }

   public void setId(Long id) {
      this.id = id;
   }

   /**
    * @hibernate.many-to-one
    * column="CATEGORY_ID"
    * class="Category"
    * cascade="none"
    * not-null="false"
    */
   public Category getCategory() {
      return category;
   }

   public void setCategory(Category category) {
      this.category = category;
   }
}