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简析
Web/Controls/ItemsControl.ascx.cs
|
using
System;
using
System.Web;
using
System.Web.UI.WebControls;
using
PetShop.BLL;
using
PetShop.CacheDependencyFactory;
namespace
PetShop.Web {
public partial class ItemsControl : System.Web.UI.UserControl {
///<summary>
/// Rebind control
///</summary>
protected void PageChanged(object sender, DataGridPageChangedEventArgs e) {
//reset index
itemsGrid.CurrentPageIndex = e.NewPageIndex;
//get category id
string productKey = Request.QueryString[“productId”];
//bind data
Item item = new Item();
itemsGrid.DataSource = item.GetItemsByProduct(productKey);
itemsGrid.DataBind();
}
}
}
|
/BLL/Item.cs
|
using
System.Collections.Generic;
using
PetShop.Model;
using
PetShop.IDAL;
namespace
PetShop.BLL {
///<summary>
/// A business component to manage product items
///</summary>
public class Item {
// Get an instance of the Item DAL using the DALFactory
// Making this static will cache the DAL instance after the initial load
private static readonly IItem dal = PetShop.DALFactory.DataAccess.CreateItem();
///<summary>
/// A method to list items by productId
/// Every item is associated with a parent product
///</summary>
///<param name=”productId”>The productId to search by</param>
///<returns>A Generic List of ItemInfo</returns>
public IList<ItemInfo> GetItemsByProduct(string productId) {
// Validate input
if(string.IsNullOrEmpty(productId))
return new List<ItemInfo>();
// Use the dal to search by productId
return dal.GetItemsByProduct(productId);
}
///<summary>
/// Search for an item given it’s unique identifier
///</summary>
///<param name=”itemId”>Unique identifier for an item</param>
///<returns>An Item business entity</returns>
public ItemInfo GetItem(string itemId) {
// Validate input
if (string.IsNullOrEmpty(itemId))
return null;
// Use the dal to search by ItemId
|
return dal.GetItem(itemId);
}
}
}
|
/IDAL/IItem.cs
|
using
System;
using
System.Collections.Generic;
//References to PetShop specific libraries
//PetShop busines entity library
using
PetShop.Model;
namespace
PetShop.IDAL {
///<summary>
/// Interface to the Item DAL
///</summary>
public interface IItem{
///<summary>
/// Search items by productId
///</summary>
///<param name=”productId”>ProductId to search for</param>
///<returns>Interface to Model Collection Generic of the results</returns>
IList<ItemInfo> GetItemsByProduct(string productId);
///<summary>
/// Get information on a specific item
///</summary>
///<param name=”itemId”>Unique identifier for an item</param>
///<returns>Business Entity representing an item</returns>
ItemInfo GetItem(string itemId);
}
}
|
/DALFactory/DataAccess.cs
|
using
System.Reflection;
using
System.Configuration;
namespace
PetShop.DALFactory {
///<summary>
/// This class is implemented following the Abstract Factory pattern to create the DAL implementation
/// specified from the configuration file
///</summary>
public sealed class DataAccess {
// Look up the DAL implementation we should be using
private static readonly string path = ConfigurationManager.AppSettings[“WebDAL”];
private static readonly string orderPath = ConfigurationManager.AppSettings[“OrdersDAL”];
private DataAccess() { }
public static PetShop.IDAL.ICategory CreateCategory() {
string className = path + “.Category”;
return (PetShop.IDAL.ICategory)Assembly.Load(path).CreateInstance(className);
}
public static PetShop.IDAL.IInventory CreateInventory() {
string className = path + “.Inventory”;
return (PetShop.IDAL.IInventory)Assembly.Load(path).CreateInstance(className);
}
public static PetShop.IDAL.IItem CreateItem() {
string className = path + “.Item”;
return (PetShop.IDAL.IItem)Assembly.Load(path).CreateInstance(className);
}
public static PetShop.IDAL.IOrder CreateOrder() {
string className = orderPath + “.Order”;
return (PetShop.IDAL.IOrder)Assembly.Load(orderPath).CreateInstance(className);
}
public static PetShop.IDAL.IProduct CreateProduct() {
string className = path + “.Product”;
return (PetShop.IDAL.IProduct)Assembly.Load(path).CreateInstance(className);
}
|
}
}
|
/Web/web.config
|
<?
xml version = “1.0“?>
<
configuration xmlns = “http://schemas.microsoft.com/.NetConfiguration/v2.0“>
<
connectionStrings configProtectionProvider = “RsaProtectedConfigurationProvider“>
<
EncryptedData Type = “http://www.w3.org/2001/04/xmlenc#Element“xmlns=“http://www.w3.org/2001/04/xmlenc#“>
<
EncryptionMethod Algorithm = “http://www.w3.org/2001/04/xmlenc#tripledes-cbc“/>
<
KeyInfo xmlns = “http://www.w3.org/2000/09/xmldsig#“>
<
EncryptedKey xmlns = “http://www.w3.org/2001/04/xmlenc#“>
<
EncryptionMethod Algorithm = “http://www.w3.org/2001/04/xmlenc#rsa-1_5“/>
<
KeyInfo xmlns = “http://www.w3.org/2000/09/xmldsig#“>
<
KeyName > Rsa Key</KeyName>
</
KeyInfo >
<
CipherData >
<
CipherValue > NrTRoEqZ1heJDQKp5vLf/vfn+JwusYDwL7c9QFU3FJTeRikKLKaT5Rsa27NzCuU3N9ClxOXBc8hz8h9xO/2LRczJGqAopjhNF77YCV3n28oAXZEC44ePtUQpDhgq9u5EkLkRrBR8zuXidyhU5g0ORGYXtse05jRsZLiNWRpoAyg=</CipherValue>
</
CipherData >
</
EncryptedKey >
</
KeyInfo >
<
CipherData >
<
CipherValue > 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</CipherValue>
</
CipherData >
</
EncryptedData >
</
connectionStrings >
<
appSettings >
<!–
Pet Shop DAL configuration settings. Possible values: PetShop.SQLServerDAL for SqlServer, PetShop.OracleServerDALfor Oracle. –>
<
add key = “WebDAL“value=“PetShop.SQLServerDAL“/>
<
add key = “OrdersDAL“value=“PetShop.SQLServerDAL“/>
<
add key = “ProfileDAL“value=“PetShop.SQLProfileDAL“/>
<!–
Enable data caching –>
<
add key = “EnableCaching“value=“true“/>
<!–
Cache duration (in hours-whole number only) –>
<
add key = “CategoryCacheDuration“value=“12“/>
<
add key = “ProductCacheDuration“value=“12“/>
<
add key = “ItemCacheDuration“value=“12“/>
<!–
Cache dependency options. Possible values: PetShop.TableCacheDependency for SQL Server and keep empty for ORACLE –>
<
add key = “CacheDependencyAssembly“value=“PetShop.TableCacheDependency“/>
<!–
CacheDatabaseName should match the name under caching section, when using TableCacheDependency –>
<
add key = “CacheDatabaseName“value=“MSPetShop4“/>
<!–
*TableDependency lists table dependency for each instance separated by comma –>
<
add key = “CategoryTableDependency“value=“Category“/>
<
add key = “ProductTableDependency“value=“Product,Category“/>
<
add key = “ItemTableDependency“value=“Product,Category,Item“/>
<!–
Order processing options (Asynch/Synch) –>
<
add key = “OrderStrategyAssembly“value=“PetShop.BLL“/>
<
add key = “OrderStrategyClass“value=“PetShop.BLL.OrderSynchronous“/>
<!–
Asynchronous Order options –>
<
add key = “OrderMessaging“value=“PetShop.MSMQMessaging“/>
<
add key = “OrderQueuePath“value=“FormatName:DIRECT=OS:MachineName/Private$/PSOrders“/>
<!–
Application Error Log –>
<
add key = “Event Log Source“value=“.NET Pet Shop 4.0“/>
</
appSettings >
<
system.web >
<
pages theme = “PetShop“styleSheetTheme=“PetShop“/>
<!–
Set compilation debug=”true” to insert debugging
symbols into the compiled page. Because this
affects performance, set this value to true only
during development.
–>
<
compilation debug = “false“>
<
assemblies >
<
add assembly = “System.Transactions, Version=2.0.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089“/>
<
add assembly = “System.Data.OracleClient, Version=2.0.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089“/>
<
add assembly = “Accessibility, Version=2.0.0.0, Culture=neutral, PublicKeyToken=B03F5F7F11D50A3A“/>
<
add assembly = “System.Messaging, Version=2.0.0.0, Culture=neutral, PublicKeyToken=B03F5F7F11D50A3A“/></assemblies></compilation>
<!–
The <authentication> section enables configuration
of the security authentication mode used by
ASP.NET to identify an incoming user.
–>
<
authentication mode = “Forms“>
<
forms name = “PetShopAuth“loginUrl=“SignIn.aspx“protection=“None“timeout=“60“/>
</
authentication >
<!–
The <customErrors> section enables configuration
of what to do if/when an unhandled error occurs
during the execution of a request. Specifically,
it enables developers to configure html error pages
to be displayed in place of a error stack trace.
–>
<
customErrors defaultRedirect = “Error.aspx“mode=“RemoteOnly“/>
<
sessionState mode = “Off“/>
<
anonymousIdentification enabled = “true“/>
<
profile automaticSaveEnabled = “false“defaultProvider=“ShoppingCartProvider“>
<
providers >
<
add name = “ShoppingCartProvider“connectionStringName=“SQLProfileConnString“type=“PetShop.Profile.PetShopProfileProvider“applicationName=“.NET Pet Shop 4.0“/>
<
add name = “WishListProvider“connectionStringName=“SQLProfileConnString“type=“PetShop.Profile.PetShopProfileProvider“applicationName=“.NET Pet Shop 4.0“/>
<
add name = “AccountInfoProvider“connectionStringName=“SQLProfileConnString“type=“PetShop.Profile.PetShopProfileProvider“applicationName=“.NET Pet Shop 4.0“/>
</
providers >
<
properties >
<
add name = “ShoppingCart“type=“PetShop.BLL.Cart“allowAnonymous=“true“provider=“ShoppingCartProvider“/>
<
add name = “WishList“type=“PetShop.BLL.Cart“allowAnonymous=“true“provider=“WishListProvider“/>
<
add name = “AccountInfo“type=“PetShop.Model.AddressInfo“allowAnonymous=“false“provider=“AccountInfoProvider“/>
</
properties >
</
profile >
<!–
Membership Provider for SqlServer –>
<
membership defaultProvider = “SQLMembershipProvider“>
<
providers >
<
add name = “SQLMembershipProvider“type=“System.Web.Security.SqlMembershipProvider“connectionStringName=“SQLMembershipConnString“applicationName=“.NET Pet Shop 4.0“enablePasswordRetrieval=“false“enablePasswordReset=“true“requiresQuestionAndAnswer=“false“requiresUniqueEmail=“false“passwordFormat=“Hashed“/>
</
providers >
</
membership >
<!–
Membership Provider for Oracle –>
<!–
<membership defaultProvider=”OracleMembershipProvider”>
<providers>
<clear/>
<add name=”OracleMembershipProvider”
type=”PetShop.Membership.OracleMembershipProvider”
connectionStringName=”OraMembershipConnString”
enablePasswordRetrieval=”false”
enablePasswordReset=”false”
requiresUniqueEmail=”false”
requiresQuestionAndAnswer=”false”
minRequiredPasswordLength=”7″
minRequiredNonalphanumericCharacters=”1″
applicationName=”.NET Pet Shop 4.0″
hashAlgorithmType=”SHA1″
passwordFormat=”Hashed”/>
</providers>
</membership>
–>
<
caching >
<
sqlCacheDependency enabled = “true“pollTime=“10000“>
<
databases >
<
add name = “MSPetShop4“connectionStringName=“SQLConnString1“pollTime=“10000“/>
</
databases >
</
sqlCacheDependency >
</
caching >
</
system.web >
<
location path = “UserProfile.aspx“>
<
system.web >
<
authorization >
<
deny users = “?“/>
</
authorization >
</
system.web >
</
location >
<
location path = “CheckOut.aspx“>
<
system.web >
<
authorization >
<
deny users = “?“/>
</
authorization >
</
system.web >
</
location >
</
configuration > |
/SQLServerDAL/Item.cs
( IItem 的实现类) |
using
System;
using
System.Data;
using
System.Data.SqlClient;
using
PetShop.Model;
using
PetShop.IDAL;
using
System.Collections.Generic;
using
PetShop.DBUtility;
namespace
PetShop.SQLServerDAL {
public class Item : IItem {
// Static constants
private const string SQL_SELECT_ITEMS_BY_PRODUCT = “SELECT Item.ItemId, Item.Name, Inventory.Qty, Item.ListPrice, Product.Name, Item.Image, Product.CategoryId, Product.ProductId FROM Item INNER JOIN Product ON Item.ProductId = Product.ProductId INNER JOIN Inventory ON Item.ItemId = Inventory.ItemId WHERE Item.ProductId = @ProductId”;
private const string SQL_SELECT_ITEM = “SELECT Item.ItemId, Item.Name, Item.ListPrice, Product.Name, Item.Image, Product.CategoryId, Product.ProductId FROM Item INNER JOIN Product ON Item.ProductId = Product.ProductId WHERE Item.ItemId = @ItemId”;
private const string PARM_PRODUCT_ID = “@ProductId”;
private const string PARM_ITEM_ID = “@ItemId”;
///<summary>
/// Function to get a list of items within a product group
///</summary>
///<param name=”productId”>Product Id</param>
///<returns>A Generic List of ItemInfo</returns>
public IList<ItemInfo> GetItemsByProduct(string productId) {
IList<ItemInfo> itemsByProduct = new List<ItemInfo>();
SqlParameter parm = new SqlParameter(PARM_PRODUCT_ID, SqlDbType.VarChar, 10);
parm.Value = productId;
//Execute the query against the database
using(SqlDataReader rdr = SqlHelper.ExecuteReader(SqlHelper.ConnectionStringLocalTransaction, CommandType.Text, SQL_SELECT_ITEMS_BY_PRODUCT, parm)) {
// Scroll through the results
while (rdr.Read()) {
ItemInfo item = new ItemInfo(rdr.GetString(0), rdr.GetString(1), rdr.GetInt32(2), rdr.GetDecimal(3), rdr.GetString(4), rdr.GetString(5), rdr.GetString(6), rdr.GetString(7));
//Add each item to the arraylist
itemsByProduct.Add(item);
}
}
return itemsByProduct;
}
///<summary>
/// Get an individual item based on a unique key
///</summary>
///<param name=”itemId”>unique key</param>
///<returns>Details about the Item</returns>
public ItemInfo GetItem(string itemId) {
//Set up a return value
ItemInfo item = null;
//Create a parameter
SqlParameter parm = new SqlParameter(PARM_ITEM_ID, SqlDbType.VarChar, 10);
//Bind the parameter
parm.Value = itemId;
//Execute the query
using (SqlDataReader rdr = SqlHelper.ExecuteReader(SqlHelper.ConnectionStringLocalTransaction, CommandType.Text, SQL_SELECT_ITEM, parm)) {
if (rdr.Read())
item = new ItemInfo(rdr.GetString(0), rdr.GetString(1), 0, rdr.GetDecimal(2), rdr.GetString(3), rdr.GetString(4), rdr.GetString(5), rdr.GetString(6));
else
item = new ItemInfo();
}
return item;
}
///<summary>
/// Get the SqlCommand used to retrieve a list of items by product
///</summary>
///<param name=”id”>Product id</param>
///<returns>Sql Command object used to retrieve the data</returns>
public static SqlCommand GetCommand(string id) {
//Create a parameter
SqlParameter parm = new SqlParameter(PARM_PRODUCT_ID, SqlDbType.VarChar, 10);
parm.Value = id;
// Create and return SqlCommand object
SqlCommand command = new SqlCommand(SQL_SELECT_ITEMS_BY_PRODUCT);
command.Parameters.Add(parm);
return command;
}
}
}
|
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