SSH整合总结

DetachedCriteria dc = DetachedCriteria.forClass(Customer.class);
if(Strings.isNotBlank(customer.getCust_name())){
　　dc.add(Restrictions.like("cust_name", "%"+customer.getCust_name()+"%"));
}

public Integer getTotalCount(DetachedCriteria dc) {
　　List<Customer> customerList = (List<Customer>) getHibernateTemplate().findByCriteria(dc);
　　return customerList.size();
}

public Integer getTotalCount(DetachedCriteria dc) {
    //设置查询的聚合函数，总计路数
    dc.setProjection(Projections.rowCount());
    List<Long> list = (List<Long>) getHibernateTemplate().findByCriteria(dc);
    //清空之前设置的聚合函数(防止再次使用dc)
    dc.setProjection(null);
    if(list!=null && list.size() > 0){
        Long count = list.get(0);
        return count.intValue();
    } else {
        return null;
    }
}

public List<Customer> getPageList(DetachedCriteria dc, int start, Integer pageSize) {
    //start 从第几条开始显示  pageSize页面显示的条数
    List<Customer> lsit = (List<Customer>) getHibernateTemplate().findByCriteria(dc, start, pageSize);
    return lsit;
}