Hibernate dao 層

IDao_Hql實現類IDao_HqlImp：

package com.boxun.crm.dao.impl;
import java.io.Serializable;
import java.util.List;
import org.hibernate.Criteria;
import org.hibernate.HibernateException;
import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.Transaction;
import org.hibernate.criterion.Example;
import org.hibernate.criterion.MatchMode;
import org.hibernate.criterion.Order;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;
import com.boxun.crm.dao.IDao_Hql;
/**
 * <li>經過Hibernate對持久層操做接口實現類</li>
 * <li>提供對數據庫的增、刪、改、查等一系列操做。</li>
 *
 * @author 旦旦而學
 * @version 1.0
 * @since jdk5.0
 */
@SuppressWarnings("unchecked")
public class Dao_HqlImp extends HibernateDaoSupport implements IDao_Hql {
    // 聲明事務對象
    private Transaction tran = null;
    // 聲明查詢對象
    private Query query = null;
    /*
     * (non-Javadoc)
     *
     * @see com.boxun.crm.dao.IDao#beginTx()
     */
    public boolean beginTx() throws HibernateException {
        if (tran == null)
            tran = this.getSession().beginTransaction();
        return true;
    }
    /*
     * (non-Javadoc)
     *
     * @see com.boxun.crm.dao.IDao#commitTx()
     */
    public boolean commitTx() throws HibernateException {
        if (tran != null)
            tran.commit();
        tran = null;
        return true;
    }
    /*
     * (non-Javadoc)
     *
     * @see com.boxun.crm.dao.IDao#rollbackTx()
     */
    public boolean rollbackTx() throws HibernateException {
        tran.rollback();
        tran = null;
        return true;
    }
    /*
     * (non-Javadoc)
     *
     * @see com.boxun.crm.dao.IDao_Hql#del(java.lang.Object)
     */
    public boolean del(Object obj) throws HibernateException {
        this.getSession().delete(obj);
        return true;
    }
    /*
     * (non-Javadoc)
     *
     * @see com.boxun.crm.dao.IDao#delOrUpdate(java.lang.String,
     *      java.util.ArrayList)
     */
    public boolean delOrUpdate(String hql, List params)
            throws HibernateException {
        if (null == hql || hql.equals("")) {
            return false;
        }
        query = this.getSession().createQuery(hql);
        if (null != params && params.size() > 0) {
            for (int i = 0; i < params.size(); i++) {
                query.setParameter(i, params.get(i));
            }
        }
        int result = query.executeUpdate();

        return result > 0 ? true : false;
    }
    /*
     * (non-Javadoc)
     *
     * @see com.boxun.crm.dao.IDao#find(java.lang.String)
     */
    public List<Object> find(String hql) throws HibernateException {
        if (null == hql || hql.equals("")) {
            return null;
        }
        query = this.getSession().createQuery(hql);
        return query.list();
    }
    /*
     * (non-Javadoc)
     *
     * @see com.boxun.crm.dao.IDao#find(java.lang.String, java.util.ArrayList)
     */
    public <T> List<T> find(String hql, List params) throws HibernateException {
        if (null == hql || hql.equals("")) {
            return null;
        }
        query = this.getSession().createQuery(hql);
        if (null != params && params.size() > 0) {
            // 循環給參數賦值
            for (int i = 0; i < params.size(); i++) {
                query.setParameter(i, params.get(i));
            }
        }
        List<T> list = query.list();
        return list;
    }
    /*
     * (non-Javadoc)
     *
     * @see com.boxun.crm.dao.IDao#find(java.lang.String, int, int)
     */
    public List<Object> find(String hql, int row, int pages)
            throws HibernateException {
        if (null == hql || hql.equals("")) {
            return null;
        }
        query = this.getSession().createQuery(hql);
        if (row > 0 && pages > 0) {
            // 取得每頁顯示結果集
            query.setMaxResults(row);
            // 取得當前頁碼所要顯示的結果集
            query.setFirstResult(row * (pages - 1));
        }
        return query.list();
    }
    /*
     * (non-Javadoc)
     *
     * @see com.boxun.crm.dao.IDao#find(java.lang.String, java.util.ArrayList,
     *      int, int)
     */
    public List<Object> find(String hql, List params, int row, int pages)
            throws HibernateException {
        if (null == hql || hql.equals("")) {
            return null;
        }
        query = this.getSession().createQuery(hql);

        if (params != null && params.size() > 0) {
            // 循環給參數賦值
            for (int i = 0; i < params.size(); i++) {
                query.setParameter(i, params.get(i));
            }
        }
        if (row > 0 && pages > 0) {
            // 取得每頁顯示結果集
            query.setMaxResults(row);
            // 取得當前頁碼所要顯示的結果集
            query.setFirstResult(row * (pages - 1));
        }
        return query.list();
    }
    /*
     * (non-Javadoc)
     *
     * @see com.boxun.crm.dao.IDao_Hql#find(java.lang.Class, java.lang.Object,
     *      java.lang.String[], int, int)
     */
    public <T> List<T> find(Class<T> c, T obj, String[] orders, int row,
            int pages) throws HibernateException {
        Criteria criteria = this.getSession().createCriteria(c);
        if (obj != null) {
            Example example = Example.create(obj);
            example.enableLike(MatchMode.ANYWHERE);// 匹配模式,使用模糊查詢必填項。
            example.excludeNone();// 空的不作查詢條件
            example.excludeZeroes();// 0不要查詢
            example.ignoreCase(); // 不區分大小寫
            criteria.add(example);
        }
        if (row > 0 && pages > 0) {
            criteria.setMaxResults(row);// 最大顯示記錄數
            criteria.setFirstResult((pages - 1) * row);// 從第幾條開始
        }
        // 判斷是否有排序請求，若是有加入到排序方法中
        if (orders != null) {
            for (int i = 0; i < orders.length; i++)
                criteria.addOrder(Order.desc(orders[i]));
        }
        return criteria.list();
    }
    /*
     * (non-Javadoc)
     *
     * @see com.boxun.crm.dao.IDao_Hql#get(java.lang.Class,
     *      java.io.Serializable)
     */
    public <T> T get(Class<T> c, Serializable s) throws HibernateException {
        return (T) this.getSession().get(c, s);
    }
    /*
     * (non-Javadoc)
     *
     * @see com.boxun.crm.dao.IDao#listCount(java.lang.String)
     */
    public int listCount(String hql) throws HibernateException,
            NumberFormatException {
        if (null == hql || hql.equals("")) {
            return 0;
        }
        query = this.getSession().createQuery(hql);
        List list = query.list();

        return list != null && list.size() > 0 ? Integer.parseInt(list.get(0)
                + "") : 0;
    }
    /*
     * (non-Javadoc)
     *
     * @see com.boxun.crm.dao.IDao#listCount(java.lang.String,
     *      java.util.ArrayList)
     */
    public int listCount(String hql, List params) throws HibernateException,
            NumberFormatException {
        if (null == hql || hql.equals("")) {
            return 0;
        }
        query = this.getSession().createQuery(hql);
        if (params != null && params.size() > 0) {
            // 循環給參數賦值
            for (int i = 0; i < params.size(); i++) {
                query.setParameter(i, params.get(i));
            }
        }
        List list = query.list();

        return list != null && list.size() > 0 ? Integer.parseInt(list.get(0)
                + "") : 0;

    }
    /*
     * (non-Javadoc)
     *
     * @see com.boxun.crm.dao.IDao_Hql#listCount(java.lang.Class,
     *      java.lang.Object)
     */
    public <T> int listCount(Class<T> c, Object obj) throws HibernateException,
            NumberFormatException {
        Criteria criteria = this.getSession().createCriteria(c);
        if (obj != null) {
            Example example = Example.create(obj);
            example.enableLike(MatchMode.ANYWHERE);// 匹配模式,使用模糊查詢必填項。
            example.excludeNone();// 空的不作查詢條件
            example.excludeZeroes();// 0不要查詢
            example.ignoreCase(); // 不區分大小寫
            criteria.add(example);
        }

        List list = criteria.list();
        return list != null && list.size() > 0 ? list.size() : 0;
    }
    /*
     * (non-Javadoc)
     *
     * @see com.boxun.crm.dao.IDao_Hql#save(java.lang.Object)
     */
    public boolean save(Object obj) throws HibernateException,
            NumberFormatException {
        return Integer.parseInt(this.getSession().save(obj) + "") > 0 ? true
                : false;
    }
    /*
     * (non-Javadoc)
     *
     * @see com.boxun.crm.dao.IDao_Hql#update(java.lang.Object)
     */
    public boolean update(Object obj) throws HibernateException {
        if (null == obj) {
            return false;
        }
        this.getSession().update(obj);
        return true;
    }
    public boolean update(List obj, List params) throws HibernateException {
        if(obj != null && obj.size() > 0) {
            for(int i = 0;i < obj.size(); i++){

                this.getSession().save(obj.get(i));

            }
        }
        return true;
    }
    /*
     * (non-Javadoc)
     *
     * @see org.springframework.orm.hibernate3.support.HibernateDaoSupport#getSession()
     */
    public Session getCurrSession() throws HibernateException {
        return this.getSession();
    }
    /*
     * (non-Javadoc)
     *
     * @see com.boxun.crm.dao.IDao#closeSession()
     */
    public boolean closeSession() throws HibernateException {
        this.getSession().close();
        return true;
    }
    public boolean delOrUpdate(List args, List params)
            throws HibernateException {
        // TODO Auto-generated method stub
        return false;
    }
}

IDao_Sql實現類IDao_SqlImp：

package com.boxun.crm.dao.impl;
import java.sql.CallableStatement;
import java.sql.Connection;
import java.util.List;
import org.hibernate.HibernateException;
import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.Transaction;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;
import com.boxun.crm.dao.IDao_Sql;
/**
 * <li>經過SQL查詢語句對持久層操做接口</li>
 * <li>提供對數據庫的增、刪、改、查等一系列操做。</li>
 *
 * @author 旦旦而學
 * @version 1.0
 * @since jdk5.0
 */

@SuppressWarnings("unchecked")
public class Dao_SqlImp extends HibernateDaoSupport implements IDao_Sql {
    // 聲明事務對象
    public Transaction tran = null;
    // 聲明查詢對象
    public Query query = null;
    /*
     * (non-Javadoc)
     *
     * @see com.boxun.crm.dao.IDao#beginTx()
     */
    public boolean beginTx() throws HibernateException {
        if (tran == null) {
            tran = this.getSession().beginTransaction();
        }
        return true;
    }
    /*
     * (non-Javadoc)
     *
     * @see com.boxun.crm.dao.IDao#commitTx()
     */
    public boolean commitTx() throws HibernateException {
        if (tran != null)
            tran.commit();
        tran = null;
        return true;

    }
    /*
     * (non-Javadoc)
     *
     * @see com.boxun.crm.dao.IDao#rollbackTx()
     */
    public boolean rollbackTx() throws HibernateException {
        if (tran != null) {
            tran.rollback();
        }
        tran = null;
        return true;
    }
    /*
     * (non-Javadoc)
     *
     * @see com.boxun.crm.dao.IDao_Sql#save(java.lang.String)
     */
    public boolean save(String sql) throws HibernateException {
        if (null == sql && "".equals(sql)) {
            return false;
        }
        query = this.getSession().createSQLQuery(sql);
        int res = query.executeUpdate();
        return res > 0 ? true : false;
    }
    /*
     * (non-Javadoc)
     *
     * @see com.boxun.crm.dao.IDao#delOrUpdate(java.lang.String, java.util.List)
     */
    public boolean delOrUpdate(String sql, List params)throws HibernateException {
        if (null == sql && "".equals(sql)) {
            return false;
        }
        query = this.getSession().createSQLQuery(sql);
        if (params != null && params.size() > 0) {
            for (int i = 0; i < params.size(); i++) {
                query.setParameter(i, params.get(i));
            }
        }
        int res = query.executeUpdate();
        return res > 0 ? true : false;
    }
    /*
     * (non-Javadoc)
     *
     * @see com.boxun.crm.dao.IDao#find(java.lang.String)
     */
    public List<Object> find(String sql) throws HibernateException {
        if (null == sql && "".equals(sql)) {
            return null;
        }
        query = this.getSession().createSQLQuery(sql);

        return query.list();
    }
    /*
     * 原來代碼：
     * if (null == sql && sql.equals("")) {
     *      return null;
     * }
     * 其中&&不符合邏輯
     *
     * @see com.boxun.crm.dao.IDao#find(java.lang.String, java.util.List)
     */
    public List<Object> find(String sql, List params) throws HibernateException {
        if (null == sql || sql.equals("")) {
            return null;
        }
        query = this.getSession().createSQLQuery(sql);
        if (null != params && params.size() > 0) {
            for (int i = 0; i < params.size(); i++) {
                query.setParameter(i, params.get(i));
            }
        }
        return query.list();
    }
    /*
     * (non-Javadoc)
     *
     * @see com.boxun.crm.dao.IDao#find(java.lang.String, int, int)
     */
    public List<Object> find(String sql, int row, int pages)
            throws HibernateException {
        if (null == sql && "".equals(sql)) {
            return null;
        }
        query = this.getSession().createSQLQuery(sql);
        if (row > 0 && pages > 0) {
            query.setMaxResults(row);// 最大顯示記錄數
            query.setFirstResult((pages - 1) * row);// 從第幾條開始
        }
        return query.list();
    }
    /*
     * (non-Javadoc)
     *
     * @see com.boxun.crm.dao.IDao#find(java.lang.String, java.util.List, int,
     *      int)
     */
    public List<Object> find(String sql, List params, int row, int pages)
            throws HibernateException {
        if (null == sql && "".equals(sql)) {
            return null;
        }
        query = this.getSession().createSQLQuery(sql);
        if (params != null && params.size() > 0) {
            for (int i = 0; i < params.size(); i++) {
                query.setParameter(i, params.get(i));
            }
        }
        if (row > 0 && pages > 0) {
            query.setMaxResults(row);// 最大顯示記錄數
            query.setFirstResult((pages - 1) * row);// 從第幾條開始
        }
        return query.list();
    }
    /*
     * (non-Javadoc)
     *
     * @see com.boxun.crm.dao.IDao#listCount(java.lang.String)
     */
    public int listCount(String sql) throws HibernateException,
            NumberFormatException {
        if (null == sql && "".equals(sql)) {
            return 0;
        }
        int count = 0;
        query = this.getSession().createSQLQuery(sql);
        List list = query.list();
        if (list != null && list.size() > 0) {
            count = Integer.parseInt(list.get(0) + "");
        }
        return count;
    }
    /*
     * (non-Javadoc)
     *
     * @see com.boxun.crm.dao.IDao#listCount(java.lang.String, java.util.List)
     */
    public int listCount(String sql, List params) throws HibernateException,
            NumberFormatException {
        if (null == sql && "".equals(sql)) {
            return 0;
        }
        int count = 0;
        query = this.getSession().createSQLQuery(sql);
        if (params != null && params.size() > 0) {
            for (int i = 0; i < params.size(); i++) {
                query.setParameter(i, params.get(i));
            }
        }
        List list = query.list();
        if (list != null && list.size() > 0) {
            if (list.get(0) != null) {  // 有時候size是1，但第一個元素的值爲null就會報錯
                count = Integer.parseInt(list.get(0) + "");
            }
        }
        return count;
    }
    /*
     * (non-Javadoc)
     *
     * @see org.springframework.orm.hibernate3.support.HibernateDaoSupport#getSession()
     */
    public Session getCurrSession() throws HibernateException {
        return this.getSession();
    }
    /*
     * (non-Javadoc)
     *
     * @see com.boxun.crm.dao.IDao#closeSession()
     */
    public boolean closeSession() throws HibernateException {
        this.getSession().close();
        return true;
    }
    public boolean delOrUpdate(List args, List params)
            throws HibernateException {
        boolean flag = false;
        if(args != null && args.size() > 0) {
            for(int i = 0; i < args.size(); i++){
                String sql = (String)args.get(i);
                query = this.getSession().createSQLQuery(sql);
                if (params != null && params.size() > 0) {
                    for (int j = 0; j < params.size(); j++) {
                        query.setParameter(j, params.get(j));
                    }
                }
                flag = query.executeUpdate() > 0 ? true : false;
            }
        }
        return flag;
    }

}

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