/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(WK.Model.tuser model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update tuser set ");
strSql.Append("username=@username,");
strSql.Append("password=@password,");
strSql.Append("address=@address");
strSql.Append(" where userId=@userId ");
MySqlParameter[] parameters =
{
new MySqlParameter("@username", MySqlDbType.VarChar, 100),
new MySqlParameter("@password", MySqlDbType.VarChar, 100),
new MySqlParameter("@address", MySqlDbType.VarChar, 100),
new MySqlParameter("@userId", MySqlDbType.Int32, 4)
};
parameters[0].Value = model.username;
parameters[1].Value = model.password;
parameters[2].Value = model.address;
parameters[3].Value = model.userId;
int rows = DbHelperMySQL.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 增加一条数据
/// </summary>
public bool Add(WK.Model.tuser model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into tuser(");
strSql.Append("userId,username,password,address)");
strSql.Append(" values (");
strSql.Append("@userId,@username,@password,@address)");
MySqlParameter[] parameters =
{
new MySqlParameter("@userId", MySqlDbType.Int32, 4),
new MySqlParameter("@username", MySqlDbType.VarChar, 100),
new MySqlParameter("@password", MySqlDbType.VarChar, 100),
new MySqlParameter("@address", MySqlDbType.VarChar, 100)
};
parameters[0].Value = model.userId;
parameters[1].Value = model.username;
parameters[2].Value = model.password;
parameters[3].Value = model.address;
int rows = DbHelperMySQL.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public WK.Model.tuser DataRowToModel(DataRow row)
{
WK.Model.tuser model = new WK.Model.tuser();
if (row != null)
{
if (row["userId"] != null && row["userId"].ToString() != "")
{
model.userId = int.Parse(row["userId"].ToString());
}
if (row["username"] != null)
{
model.username = row["username"].ToString();
}
if (row["password"] != null)
{
model.password = row["password"].ToString();
}
if (row["address"] != null)
{
model.address = row["address"].ToString();
}
}
return(model);
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public WK.Model.tuser GetModel(int userId)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select userId,username,password,address from tuser ");
strSql.Append(" where userId=@userId ");
MySqlParameter[] parameters =
{
new MySqlParameter("@userId", MySqlDbType.Int32, 4)
};
parameters[0].Value = userId;
WK.Model.tuser model = new WK.Model.tuser();
DataSet ds = DbHelperMySQL.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
return(DataRowToModel(ds.Tables[0].Rows[0]));
}
else
{
return(null);
}
}
