/// <summary>
/// 获取当前类的实例
/// </summary>
/// <returns></returns>
public static ModelOperate <T> Instance()
{
if (_modelHelper == null)
{
_modelHelper = new ModelOperate <T>();
}
return(_modelHelper);
}
/// <summary>
/// 根据where条件删除记录
/// </summary>
/// <param name="where"></param>
public virtual void Delete(string where)
{
ModelOperate <T> .Instance().Delete(where);
}
/// <summary>
/// 查找单个实体类
/// </summary>
/// <param name="where"></param>
/// <returns></returns>
public virtual T SelectEntity(string where)
{
return(ModelOperate <T> .Instance().SelectEntity(where));
}
/// <summary>
/// 根据where条件修改指定字段
/// </summary>
/// <param name="listField">需要跟新的字段集合</param>
/// <param name="where">where条件字符串</param>
public virtual void Update(List <UpdateField> listField, string where)
{
ModelOperate <T> .Instance().Update(listField, where);
}
/// <summary>
/// 根据实体类主键删除记录
/// </summary>
/// <param name="entity"></param>
public virtual void Delete(T entity)
{
ModelOperate <T> .Instance().Delete(entity);
}
/// <summary>
/// 根据主键修改记录
/// </summary>
/// <param name="entity"></param>
public virtual void Update(T entity)
{
ModelOperate <T> .Instance().Update(entity);
}
/// <summary>
/// 根据where条件修改指定字段
/// </summary>
/// <param name="listField"></param>
/// <param name="listWhere"></param>
public virtual void Update(List <UpdateField> listField, List <WhereField> listWhere)
{
ModelOperate <T> .Instance().Update(listField, listWhere);
}
/// <summary>
/// 获取数据总条数
/// </summary>
/// <param name="listWhere"></param>
/// <returns></returns>
public virtual int SelectCount(List <WhereField> listWhere)
{
return(ModelOperate <T> .Instance().SelectCount(listWhere));
}
/// <summary>
/// 新增一条记录
/// </summary>
public virtual int Add(T entity)
{
return(ModelOperate <T> .Instance().Add(entity));
}
/// <summary>
/// 获取数据总条数
/// </summary>
/// <param name="where"></param>
/// <returns></returns>
public virtual int SelectCount(string where = "")
{
return(ModelOperate <T> .Instance().SelectCount(where));
}
/// <summary>
/// 绑定Mode实体类
/// </summary>
public virtual T BindModel()
{
return(ModelOperate <T> .Instance().BindModel());
}
/// <summary>
/// 查找数据
/// </summary>
/// <param name="page"></param>
/// <param name="pagesize"></param>
/// <param name="sort"></param>
/// <param name="field"></param>
/// <param name="listWhere"></param>
/// <returns></returns>
public virtual DataTable SelectDataTable(string field = "", List <WhereField> listWhere = null, string sort = "")
{
return(ModelOperate <T> .Instance().SelectDataTable(field, listWhere, sort));
}
/// <summary>
/// 查找数据
/// </summary>
/// <param name="field"></param>
/// <param name="where"></param>
/// <param name="sort"></param>
/// <returns></returns>
public DataTable SelectDataTable(string field = "", string where = "", string sort = "")
{
return(ModelOperate <T> .Instance().SelectDataTable(field, where, sort));
}
/// <summary>
/// 查找实体类集合
/// </summary>
/// <param name="field"></param>
/// <param name="where"></param>
/// <param name="sort"></param>
/// <returns></returns>
public virtual List <T> SelectList(string field = "", string where = "", string sort = "")
{
return(ModelOperate <T> .Instance().SelectList(field, where, sort));
}