/// <summary>
 /// Remark:修改对象实体系列重载方法
 /// </summary>
 #region 数据修改方法
 public static int Update(object obj)
 {
     using (var db = new PetaDbContext())
     {
         return(db.Update(obj));
     }
 }
 public static object Update(string tableName, string primaryKey, bool autoIncrement, object obj)
 {
     using (var db = new PetaDbContext())
     {
         return(db.Update(tableName, primaryKey, obj));
     }
 }
 public int LogicDelete <T>(T entity) where T : class
 {
     using (var db = new PetaDbContext())
     {
         return(db.Update(entity, new List <string> {
             "recordstatus"
         }));
     }
 }