?? productdaoimpl.java
字號:
package com.xh369.daoimpl;
import com.xh369.dao.ProductDAO;
import com.xh369.dto.Product;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;
import java.util.*;
import com.xh369.dto.ProductBigClass;
import com.xh369.dto.ProductSmallClass;
public class ProductDAOimpl extends HibernateDaoSupport implements ProductDAO{
//添加產品
public boolean insertProduct(Product product){
try {
getHibernateTemplate().save(product);
return true;
} catch (Exception ex) {
ex.printStackTrace();
return false;
}
}
//產品瀏覽
public List getProduct(){
try {
String hql = "from Product as product";
return getHibernateTemplate().find(hql);
} catch (Exception ex) {
ex.printStackTrace();
return null;
}
}
//產品修改(首先顯示出原數據)
public Product showProduct(Integer id){
try {
return (Product) getHibernateTemplate().load(Product.class, id);
} catch (Exception ex) {
ex.printStackTrace();
return null;
}
}
//產品修改
public boolean updateProduct(Product product){
try {
getHibernateTemplate().update(product);
return true;
} catch (Exception ex) {
ex.printStackTrace();
return false;
}
}
//產品刪除
public boolean delProduct(Integer id){
try {
Product product = (Product) getHibernateTemplate().load(Product.class, id);
getHibernateTemplate().delete(product);
return true;
} catch (Exception ex){
ex.printStackTrace();
return false;
}
}
//在欄目管理模塊中顯示一級分類,從而導航到二級分類
public List getProductBigClass(){
try {
String hql = "from ProductBigClass as productBigClass";
List aList = getHibernateTemplate().find(hql);
Iterator it = aList.iterator();
while(it.hasNext()){
ProductBigClass productBigClass = (ProductBigClass) it.next();
getHibernateTemplate().initialize(productBigClass.getProductsmallclass());
}
return aList;
} catch (Exception ex) {
ex.printStackTrace();
return null;
}
}
//加載一級分類,按ID查詢
public ProductBigClass getProductBigClassByID(Integer id){
try {
return (ProductBigClass) getHibernateTemplate().load(ProductBigClass.class, id);
} catch (Exception ex){
ex.printStackTrace();
return null;
}
}
//加載二級分類,按ID查詢
public ProductSmallClass getProductSmallClassByID(Integer id){
try {
return (ProductSmallClass) getHibernateTemplate().load(ProductSmallClass.class, id);
} catch (Exception ex){
ex.printStackTrace();
return null;
}
}
}
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