/// <summary>
/// 删除
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="conn"></param>
/// <param name="id">当前主键的值</param>
/// <returns></returns>
public virtual int Delete <T>(IDbConnection conn, string id) where T : BaseEntity
{
//获取实体信息
var entityInfo = new EntityMapping <T>();
var dataTableName = entityInfo.GetTableName();
//获取主键key
var keyFieldName = entityInfo.GetKeyFieldName();
if (keyFieldName == null)
{
throw new Exception("key was not found!");
}
var sqlStr = $"delete from {dataTableName} where {keyFieldName}= '{id}'";
var data = SqlMapper.Execute(conn, sqlStr);
return(data);
}
