/// <summary>
/// 从IIS缓存中获取指定Id记录
/// </summary>
/// <param name="id">主键Id</param>
/// <returns>DataAccess.Model.V_PROD_CATE</returns>
public DataAccess.Model.V_PROD_CATE GetModelForCache(long id)
{
try
{
//从缓存中读取指定Id记录
var model = GetModelForCache(x => x.Id == id);
if (model == null)
{
//从数据库中读取
var tem = V_PROD_CATE.SingleOrDefault(x => x.Id == id);
if (tem == null)
{
return(null);
}
else
{
//对查询出来的实体进行转换
model = Transform(tem);
return(model);
}
}
else
{
return(model);
}
}
catch (Exception e)
{
//记录日志
CommonBll.WriteLog("从IIS缓存中获取V_PROD_CATE表记录时出现异常", e);
return(null);
}
}
/// <summary>
/// 添加与编辑V_PROD_CATE记录
/// </summary>
/// <param name="page">当前页面指针</param>
/// <param name="model">V_PROD_CATE表实体</param>
/// <param name="content">更新说明</param>
/// <param name="isCache">是否更新缓存</param>
/// <param name="isAddUseLog">是否添加用户操作日志</param>
public void Save(Page page, V_PROD_CATE model, string content = null, bool isCache = true, bool isAddUseLog = true)
{
try {
//保存
model.Save();
//判断是否启用缓存
if (CommonBll.IsUseCache() && isCache)
{
SetModelForCache(model);
}
if (isAddUseLog)
{
if (string.IsNullOrEmpty(content))
{
content = "{0}" + (model.Id == 0 ? "添加" : "编辑") + "V_PROD_CATE记录成功，ID为【" + model.Id + "】";
}
//添加用户访问记录
UseLogBll.GetInstence().Save(page, content);
}
}
catch (Exception e) {
var result = "执行V_PROD_CATEBll.Save()函数出错！";
//出现异常，保存出错日志信息
CommonBll.WriteLog(result, e);
}
}
/// <summary>
/// 获取指定Id记录
/// </summary>
/// <param name="id">主键Id</param>
/// <param name="isCache">是否从缓存中读取</param>
/// <returns>DataAccess.Model.V_PROD_CATE</returns>
public DataAccess.Model.V_PROD_CATE GetModel(long id, bool isCache = true)
{
//判断是否使用缓存
if (CommonBll.IsUseCache() && isCache)
{
//从缓存中获取List
var list = GetList();
if (list == null)
{
return(null);
}
else
{
//在List查询指定主键Id的记录
return(list.SingleOrDefault(x => x.Id == id));
}
}
else
{
//从数据库中直接读取
var model = V_PROD_CATE.SingleOrDefault(x => x.Id == id);
if (model == null)
{
return(null);
}
else
{
//对查询出来的实体进行转换
return(Transform(model));
}
}
}
/// <summary>
/// 判断指定主键Id的记录是否存在——在IIS缓存或数据库中查找
/// </summary>
/// <param name="id">主键Id</param>
/// <returns></returns>
public bool Exist(int id)
{
if (id <= 0)
{
return(false);
}
//判断是否启用缓存
if (CommonBll.IsUseCache())
{
return(Exist(x => x.Id == id));
}
//从数据库中查找
return(V_PROD_CATE.Exists(x => x.Id == id));
}
/// <summary>
/// 获取数据表中的某个值——从数据库中查询，如果使用了缓存，删除成功后会清空本表的所有缓存记录，然后重新加载进缓存
/// </summary>
/// <param name="page">当前页面指针</param>
/// <param name="expression">条件语句</param>
/// <param name="isAddUseLog">是否添加用户操作日志</param>
public void Delete(Page page, Expression <Func <V_PROD_CATE, bool> > expression, bool isAddUseLog = true)
{
//执行删除
V_PROD_CATE.Delete(expression);
//判断是否启用缓存
if (CommonBll.IsUseCache())
{
//清空当前表所有缓存记录
DelAllCache();
//重新载入缓存
GetList();
}
if (isAddUseLog)
{
//添加用户操作记录
UseLogBll.GetInstence().Save(page, "{0}删除了V_PROD_CATE表记录！");
}
}
/// <summary>
/// 将V_PROD_CATE记录实体（SubSonic实体）转换为普通的实体（DataAccess.Model.V_PROD_CATE）
/// </summary>
/// <param name="model">SubSonic插件生成的实体</param>
/// <returns>DataAccess.Model.V_PROD_CATE</returns>
public DataAccess.Model.V_PROD_CATE Transform(V_PROD_CATE model)
{
if (model == null)
{
return(null);
}
return(new DataAccess.Model.V_PROD_CATE
{
Id = model.Id,
CATE_ID = model.CATE_ID,
CATE_NAME = model.CATE_NAME,
ENABLE = model.ENABLE,
DEP_ID = model.DEP_ID,
DEP_NAME = model.DEP_NAME,
CATE_MEMO = model.CATE_MEMO,
CRT_DATETIME = model.CRT_DATETIME,
CRT_USER_ID = model.CRT_USER_ID,
MOD_DATETIME = model.MOD_DATETIME,
MOD_USER_ID = model.MOD_USER_ID,
LAST_UPDATE = model.LAST_UPDATE,
});
}
/// <summary>
/// 从IIS缓存中获取V_PROD_CATE表记录
/// </summary>
/// <param name="isCache">是否从缓存中读取</param>
public IList <DataAccess.Model.V_PROD_CATE> GetList(bool isCache = true)
{
try
{
//判断是否使用缓存
if (CommonBll.IsUseCache() && isCache)
{
//检查指定缓存是否过期——缓存当天有效，第二天自动清空
if (CommonBll.CheckCacheIsExpired(const_CacheKey_Date))
{
//删除缓存
DelAllCache();
}
//从缓存中获取DataTable
var obj = CacheHelper.GetCache(const_CacheKey);
//如果缓存为null，则查询数据库
if (obj == null)
{
var list = GetList(false);
//将查询出来的数据存储到缓存中
CacheHelper.SetCache(const_CacheKey, list);
//存储当前时间
CacheHelper.SetCache(const_CacheKey_Date, DateTime.Now);
return(list);
}
//缓存中存在数据，则直接返回
else
{
return((IList <DataAccess.Model.V_PROD_CATE>)obj);
}
}
else
{
//定义临时实体集
IList <DataAccess.Model.V_PROD_CATE> list = null;
//获取全表缓存加载条件表达式
var exp = GetExpression <V_PROD_CATE>();
//如果条件为空，则查询全表所有记录
if (exp == null)
{
//从数据库中获取所有记录
var all = V_PROD_CATE.All();
list = all == null ? null : Transform(all.ToList());
}
else
{
//从数据库中查询出指定条件的记录，并转换为指定实体集
var all = V_PROD_CATE.Find(exp);
list = all == null ? null : Transform(all);
}
return(list);
}
}
catch (Exception e)
{
//记录日志
CommonBll.WriteLog("从IIS缓存中获取V_PROD_CATE表记录时出现异常", e);
}
return(null);
}
/// <summary>
/// 更新IIS缓存中指定Id记录
/// </summary>
/// <param name="model">记录实体</param>
public void SetModelForCache(V_PROD_CATE model)
{
SetModelForCache(Transform(model));
}
/// <summary>
/// 从IIS缓存中获取指定Id记录
/// </summary>
/// <param name="conditionColName">条件列名</param>
/// <param name="value">条件值</param>
/// <returns>DataAccess.Model.V_PROD_CATE</returns>
public DataAccess.Model.V_PROD_CATE GetModelForCache(string conditionColName, object value)
{
try
{
//从缓存中获取List
var list = GetList();
DataAccess.Model.V_PROD_CATE model = null;
Expression <Func <V_PROD_CATE, bool> > expression = null;
//返回指定条件的实体
switch (conditionColName)
{
case "Id":
model = list.SingleOrDefault(x => x.Id == (int)value);
expression = x => x.Id == (int)value;
break;
case "CATE_ID":
model = list.SingleOrDefault(x => x.CATE_ID == (string)value);
expression = x => x.CATE_ID == (string)value;
break;
case "CATE_NAME":
model = list.SingleOrDefault(x => x.CATE_NAME == (string)value);
expression = x => x.CATE_NAME == (string)value;
break;
case "ENABLE":
model = list.SingleOrDefault(x => x.ENABLE == (byte)value);
expression = x => x.ENABLE == (byte)value;
break;
case "DEP_ID":
model = list.SingleOrDefault(x => x.DEP_ID == (string)value);
expression = x => x.DEP_ID == (string)value;
break;
case "DEP_NAME":
model = list.SingleOrDefault(x => x.DEP_NAME == (string)value);
expression = x => x.DEP_NAME == (string)value;
break;
case "CATE_MEMO":
model = list.SingleOrDefault(x => x.CATE_MEMO == (string)value);
expression = x => x.CATE_MEMO == (string)value;
break;
case "CRT_DATETIME":
model = list.SingleOrDefault(x => x.CRT_DATETIME == (DateTime)value);
expression = x => x.CRT_DATETIME == (DateTime)value;
break;
case "CRT_USER_ID":
model = list.SingleOrDefault(x => x.CRT_USER_ID == (string)value);
expression = x => x.CRT_USER_ID == (string)value;
break;
case "MOD_DATETIME":
model = list.SingleOrDefault(x => x.MOD_DATETIME == (DateTime)value);
expression = x => x.MOD_DATETIME == (DateTime)value;
break;
case "MOD_USER_ID":
model = list.SingleOrDefault(x => x.MOD_USER_ID == (string)value);
expression = x => x.MOD_USER_ID == (string)value;
break;
case "LAST_UPDATE":
model = list.SingleOrDefault(x => x.LAST_UPDATE == (DateTime)value);
expression = x => x.LAST_UPDATE == (DateTime)value;
break;
default:
return(null);
}
if (model == null)
{
//从数据库中读取
var tem = V_PROD_CATE.SingleOrDefault(expression);
if (tem == null)
{
return(null);
}
else
{
//对查询出来的实体进行转换
model = Transform(tem);
return(model);
}
}
else
{
return(model);
}
}
catch (Exception e)
{
//记录日志
CommonBll.WriteLog("从IIS缓存中获取V_PROD_CATE表记录时出现异常", e);
return(null);
}
}
