資源簡介
直接在數據庫存儲圖片對資源圖片較多, 圖片文件較大 類似銀行內部系統中對VIP用戶簽名就是用簽名圖片方式存儲的 這主要為了安全上考慮,實際需求中使用次數頻繁 且常常更新 無疑中這種使數據庫中數據顯得有些臃腫 數據容量增大，同時也增加了訪問數據庫服務器的負載,而使用存儲圖片路徑的方式:圖片文件放在服務器硬盤上,數據庫中只需一個文件路徑指向硬盤上圖片文件即可 存儲方式相比存儲字節流要簡單容易控制 但是我在網上發現關于這種頁面顯示的諸多問題如下我說明一下再Asp.net對圖片頁面顯示控制:
代碼片段和文件信息
using?System;
using?System.Collections;
using?System.Configuration;
using?System.Data;
using?System.Linq;
using?System.Web;
using?System.Web.Security;
using?System.Web.UI;
using?System.Web.UI.HtmlControls;
using?System.Web.UI.WebControls;
using?System.Web.UI.WebControls.WebParts;
using?System.xml.Linq;
using?System.Runtime.InteropServices;//調用系統API函數NameSpace
using?System.Diagnostics;//命名空間提供特定的類，使您能夠與系統進程、事件日志和性能計數器進行交互。
namespace?TestNetWorkConAPI
{
????public?partial?class?_Default?:?System.Web.UI.Page
????{
????????protected?void?Page_Load（object?sender?EventArgs?e）
????????{
????????????if?（!IsPostBack）
????????????{
????????????????//if?（!NewWorkIsConnection（））
????????????????//{
????????????????//???//?Response.Write（“沒有連接到網絡!“）;
????????????????// ?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件?????160310??2010-02-02?16:45??TestNetWorkConAPI\TestNetWorkConAPI\App_Data\SqlHelper（chenkai修訂編寫）.cs
?????文件???????1336??2010-01-30?10:18??TestNetWorkConAPI\TestNetWorkConAPI\Properties\AssemblyInfo.cs
?????文件???????6066??2010-02-03?08:36??TestNetWorkConAPI\TestNetWorkConAPI\Default.aspx.cs
?????文件???????7302??2010-02-01?14:24??TestNetWorkConAPI\TestNetWorkConAPI\Web.config
?????文件???????2664??2010-02-03?09:48??TestNetWorkConAPI\TestNetWorkConAPI\TestImageStoreToDB.aspx
?????文件???????5601??2010-02-02?16:56??TestNetWorkConAPI\TestNetWorkConAPI\TestNetWorkConAPI.csproj
?????文件??????34304??2010-02-03?09:48??TestNetWorkConAPI\TestNetWorkConAPI\bin\TestNetWorkConAPI.dll
?????文件??????93696??2010-02-03?09:48??TestNetWorkConAPI\TestNetWorkConAPI\bin\TestNetWorkConAPI.pdb
?????文件??????34304??2010-02-03?09:48??TestNetWorkConAPI\TestNetWorkConAPI\obj\Debug\TestNetWorkConAPI.dll
?????文件????????452??2010-02-02?19:05??TestNetWorkConAPI\TestNetWorkConAPI\obj\Debug\TestNetWorkConAPI.csproj.FileListAbsolute.txt
?????文件??????93696??2010-02-03?09:48??TestNetWorkConAPI\TestNetWorkConAPI\obj\Debug\TestNetWorkConAPI.pdb
?????文件???????1583??2010-01-30?15:22??TestNetWorkConAPI\TestNetWorkConAPI\TestClintJavaScirpt.aspx
?????文件????????523??2010-01-30?11:55??TestNetWorkConAPI\TestNetWorkConAPI\TestClintJavaScirpt.aspx.cs
?????文件???????1550??2010-01-30?12:03??TestNetWorkConAPI\TestNetWorkConAPI\TestClintJavaScirpt.aspx.designer.cs
?????文件????????965??2010-02-01?14:08??TestNetWorkConAPI\TestNetWorkConAPI\TestDelegate.aspx
?????文件???????3294??2010-02-01?14:37??TestNetWorkConAPI\TestNetWorkConAPI\TestDelegate.aspx.cs
?????文件???????1199??2010-02-01?11:40??TestNetWorkConAPI\TestNetWorkConAPI\TestDelegate.aspx.designer.cs
?????文件??????15307??2010-02-03?10:06??TestNetWorkConAPI\TestNetWorkConAPI\TestImageStoreToDB.aspx.cs
?????文件????????632??2010-02-02?16:37??TestNetWorkConAPI\TestNetWorkConAPI\Default.aspx
?????文件???????1228??2010-02-02?18:49??TestNetWorkConAPI\TestNetWorkConAPI\TestNetWorkConAPI.csproj.user
?????文件???????4954??2010-02-03?08:59??TestNetWorkConAPI\TestNetWorkConAPI\TestImageStoreToDB.aspx.designer.cs
?????文件??????11495??2010-02-02?16:59??TestNetWorkConAPI\TestNetWorkConAPI\FileuploadDict\2010-02-02-04-59-42ieoswvmobmxg0saih0o55p45a43680.jpg
?????文件??????43600??2010-02-02?17:03??TestNetWorkConAPI\TestNetWorkConAPI\FileuploadDict\2010-02-02-05-03-38en2jpn55c32ud3fpsnokgw55http_imgload.jpg
?????文件?????173297??2010-02-02?17:11??TestNetWorkConAPI\TestNetWorkConAPI\FileuploadDict\2010-02-02-05-11-23fmbjyu45bl3zqa55i1hygqephttp_imgload4.jpg
?????文件?????173297??2010-02-02?17:12??TestNetWorkConAPI\TestNetWorkConAPI\FileuploadDict\2010-02-02-05-12-535rf2wc55lpp2ejaxtxpps1zahttp_imgload4.jpg
?????文件?????513810??2010-02-02?17:26??TestNetWorkConAPI\TestNetWorkConAPI\FileuploadDict\2010-02-02-05-26-48jz4nbv45oakz3h45r32e1y3gBackground.bmp
?????文件?????126038??2010-02-02?18:03??TestNetWorkConAPI\TestNetWorkConAPI\FileuploadDict\2010-02-02-06-03-12g0dngkyr0xxmr045aotqm4bwhttp_imgload6.jpg
?????文件???????6640??2010-02-02?19:15??TestNetWorkConAPI\TestNetWorkConAPI\FileuploadDict\2010-02-02-07-15-252zxpdg45dhtxc5451k3dz54520100125142513b576.jpg
?????文件?????126038??2010-02-03?08:35??TestNetWorkConAPI\TestNetWorkConAPI\FileuploadDict\2010-02-03-08-35-47rr4hnz45msimfqzh4tcdv545http_imgload6.jpg
?????文件??????81215??2010-02-03?09:49??TestNetWorkConAPI\TestNetWorkConAPI\FileuploadDict\2010-02-03-09-49-17nbca3rq1xlr3fmfzzzmh0o55http_imgload3.jpg
............此處省略18個文件信息
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