/// <summary>获得数据列表（比DataSet效率高，推荐使用）
///
/// </summary>
public List <mhqNetAPP.Model.User> GetListArray(string strWhere, IDbDataParameter[] paras = null)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select * ");
strSql.Append(" FROM [user] ");
if (strWhere.Trim() != "")
{
strSql.Append(" where " + strWhere);
}
List <mhqNetAPP.Model.User> list = new List <mhqNetAPP.Model.User>();
MSSQLHelper h = new MSSQLHelper();
h.CreateCommand(strSql.ToString());
if (paras != null)
{
h.AddParameter(paras);
}
using (IDataReader dataReader = h.ExecuteReader())
{
while (dataReader.Read())
{
list.Add(ReaderBind(dataReader));
}
h.CloseConn();
}
return(list);
}
/// <summary>分页获取数据列表
///
/// </summary>
public List <mhqNetAPP.Model.User> GetListArray(string fileds, string order, string ordertype, int PageSize, int PageIndex, string strWhere, IDbDataParameter[] paras = null)
{
string cond = string.IsNullOrEmpty(strWhere) ? "" : $" where {strWhere}";
string sql = $"SELECT * FROM ( SELECT ROW_NUMBER() OVER (ORDER BY {order} {ordertype}) AS pos, {fileds} FROM [user] {cond} ) AS sp WHERE pos BETWEEN {(((PageIndex - 1) * PageSize) + 1)} AND {PageSize * PageIndex}";
MSSQLHelper h = new MSSQLHelper();
h.CreateCommand(sql);
if (paras != null)
{
h.AddParameter(paras);
}
/* h.CreateStoredCommand("[proc_SplitPage]");
* h.AddParameter("@tblName", "[user]");
* h.AddParameter("@strFields", fileds);
* h.AddParameter("@strOrder", order);
* h.AddParameter("@strOrderType", ordertype);
* h.AddParameter("@PageSize", PageSize);
* h.AddParameter("@PageIndex", PageIndex);
* h.AddParameter("@strWhere", strWhere);*/
List <mhqNetAPP.Model.User> list = new List <mhqNetAPP.Model.User>();
using (IDataReader dataReader = h.ExecuteReader())
{
while (dataReader.Read())
{
list.Add(ReaderBind(dataReader));
}
h.CloseConn();
}
return(list);
}
/// <summary>根据条件得到一个对象实体
///
/// </summary>
public mhqNetAPP.Model.User GetModelByCond(string cond, IDbDataParameter[] paras = null)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 * from [user] ");
if (!string.IsNullOrEmpty(cond))
{
strSql.Append(" where " + cond);
}
MSSQLHelper h = new MSSQLHelper();
h.CreateCommand(strSql.ToString());
if (paras != null)
{
h.AddParameter(paras);
}
mhqNetAPP.Model.User model = null;
using (IDataReader dataReader = h.ExecuteReader())
{
if (dataReader.Read())
{
model = ReaderBind(dataReader);
}
h.CloseConn();
}
return(model);
}
/// <summary>按条件更新数据
///
/// </summary>
public bool UpdateByCond(string str_set, string cond)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update [user] set " + str_set + " ");
strSql.Append(" where " + cond);
MSSQLHelper h = new MSSQLHelper();
h.CreateCommand(strSql.ToString());
return(h.ExecuteNonQuery());
}
/// <summary>删除一条数据
///
/// </summary>
public bool Delete(int id)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("delete from [user] ");
strSql.Append(" where id=@id ");
MSSQLHelper h = new MSSQLHelper();
h.CreateCommand(strSql.ToString());
h.AddParameter("@id", id);
return(h.ExecuteNonQuery());
}
/// <summary>取distinct的datatable
///
/// </summary>
/// <param name="fileds">字段</param>
/// <param name="cond">条件</param>
/// <returns></returns>
public DataTable GetDistinctTable(string fileds, string cond)
{
string sql = "select distinct " + fileds + " from [user] ";
if (!string.IsNullOrEmpty(cond))
{
sql += " where " + cond;
}
MSSQLHelper h = new MSSQLHelper();
h.CreateCommand(sql);
return(h.ExecuteQuery());
}
/// <summary>取一个字段的值
///
/// </summary>
/// <param name="filed">字段，如sum(je)</param>
/// <param name="cond">条件，如userid=2</param>
/// <returns></returns>
public string GetOneFiled(string filed, string cond)
{
string sql = "select " + filed + " from [user]";
if (!string.IsNullOrEmpty(cond))
{
sql += " where " + cond;
}
MSSQLHelper h = new MSSQLHelper();
h.CreateCommand(sql);
return(h.ExecuteScalar());
}
/// <summary>根据条件删除数据
///
/// </summary>
public bool DeleteByCond(string cond)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("delete from [user] ");
if (!string.IsNullOrEmpty(cond))
{
strSql.Append(" where " + cond);
}
MSSQLHelper h = new MSSQLHelper();
h.CreateCommand(strSql.ToString());
return(h.ExecuteNonQuery());
}
/// <summary>计算记录数
///
/// </summary>
/// <param name="p"></param>
/// <returns></returns>
public int CalcCount(string cond, IDbDataParameter[] paras = null)
{
string sql = "select count(1) from [user]";
if (!string.IsNullOrEmpty(cond))
{
sql += " where " + cond;
}
MSSQLHelper h = new MSSQLHelper();
h.CreateCommand(sql);
if (paras != null)
{
h.AddParameter(paras);
}
return(int.Parse(h.ExecuteScalar()));
}
/// <summary>获得数据列表
///
/// </summary>
public DataSet GetList(string strWhere)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select * ");
strSql.Append(" FROM [user] ");
if (strWhere.Trim() != "")
{
strSql.Append(" where " + strWhere);
}
MSSQLHelper h = new MSSQLHelper();
h.CreateCommand(strSql.ToString());
DataTable dt = h.ExecuteQuery();
DataSet ds = new DataSet();
ds.Tables.Add(dt);
return(ds);
}
/// <summary>得到一个对象实体
///
/// </summary>
public mhqNetAPP.Model.User GetModel(int id)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select * from [user] ");
strSql.Append(" where id=@id ");
MSSQLHelper h = new MSSQLHelper();
h.CreateCommand(strSql.ToString());
h.AddParameter("@id", id);
mhqNetAPP.Model.User model = null;
using (IDataReader dataReader = h.ExecuteReader())
{
if (dataReader.Read())
{
model = ReaderBind(dataReader);
}
h.CloseConn();
}
return(model);
}
/// <summary>增加一条数据
///
/// </summary>
public int Add(mhqNetAPP.Model.User model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into [user](");
strSql.Append("[creatdate], [username], [password], [face], [usertype], [phone], [qq], [email], [remark] )");
strSql.Append(" values (");
strSql.Append("@creatdate, @username, @password, @face, @usertype, @phone, @qq, @email, @remark )");
strSql.Append(";select @@IDENTITY");
MSSQLHelper h = new MSSQLHelper();
h.CreateCommand(strSql.ToString());
if (model.creatdate == null)
{
h.AddParameter("@creatdate", DBNull.Value);
}
else
{
h.AddParameter("@creatdate", model.creatdate);
}
if (model.username == null)
{
h.AddParameter("@username", DBNull.Value);
}
else
{
h.AddParameter("@username", model.username);
}
if (model.password == null)
{
h.AddParameter("@password", DBNull.Value);
}
else
{
h.AddParameter("@password", model.password);
}
if (model.face == null)
{
h.AddParameter("@face", DBNull.Value);
}
else
{
h.AddParameter("@face", model.face);
}
if (model.usertype == null)
{
h.AddParameter("@usertype", DBNull.Value);
}
else
{
h.AddParameter("@usertype", model.usertype);
}
if (model.phone == null)
{
h.AddParameter("@phone", DBNull.Value);
}
else
{
h.AddParameter("@phone", model.phone);
}
if (model.qq == null)
{
h.AddParameter("@qq", DBNull.Value);
}
else
{
h.AddParameter("@qq", model.qq);
}
if (model.email == null)
{
h.AddParameter("@email", DBNull.Value);
}
else
{
h.AddParameter("@email", model.email);
}
if (model.remark == null)
{
h.AddParameter("@remark", DBNull.Value);
}
else
{
h.AddParameter("@remark", model.remark);
}
int result;
string obj = h.ExecuteScalar();
if (!int.TryParse(obj, out result))
{
return(0);
}
return(result);
}
/// <summary>更新一条数据
///
/// </summary>
public bool Update(mhqNetAPP.Model.User model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update [user] set ");
strSql.Append("[creatdate]=@creatdate, [username]=@username, [password]=@password, [face]=@face, [usertype]=@usertype, [phone]=@phone, [qq]=@qq, [email]=@email, [remark]=@remark ");
strSql.Append(" where id=@id ");
MSSQLHelper h = new MSSQLHelper();
h.CreateCommand(strSql.ToString());
if (model.id == null)
{
h.AddParameter("@id", DBNull.Value);
}
else
{
h.AddParameter("@id", model.id);
}
if (model.creatdate == null)
{
h.AddParameter("@creatdate", DBNull.Value);
}
else
{
h.AddParameter("@creatdate", model.creatdate);
}
if (model.username == null)
{
h.AddParameter("@username", DBNull.Value);
}
else
{
h.AddParameter("@username", model.username);
}
if (model.password == null)
{
h.AddParameter("@password", DBNull.Value);
}
else
{
h.AddParameter("@password", model.password);
}
if (model.face == null)
{
h.AddParameter("@face", DBNull.Value);
}
else
{
h.AddParameter("@face", model.face);
}
if (model.usertype == null)
{
h.AddParameter("@usertype", DBNull.Value);
}
else
{
h.AddParameter("@usertype", model.usertype);
}
if (model.phone == null)
{
h.AddParameter("@phone", DBNull.Value);
}
else
{
h.AddParameter("@phone", model.phone);
}
if (model.qq == null)
{
h.AddParameter("@qq", DBNull.Value);
}
else
{
h.AddParameter("@qq", model.qq);
}
if (model.email == null)
{
h.AddParameter("@email", DBNull.Value);
}
else
{
h.AddParameter("@email", model.email);
}
if (model.remark == null)
{
h.AddParameter("@remark", DBNull.Value);
}
else
{
h.AddParameter("@remark", model.remark);
}
return(h.ExecuteNonQuery());
}
