?

?

Code
?1?using?System;
?2?using?System.Web;
?3?using?System.Web.UI;
?4?using?System.IO;
?5?using?System.Text;
?6?using?System.Text.RegularExpressions;
?7?using?System.Configuration;
?8?
?9?namespace?BLL
10?{
11?????///?<summary>?
12?????///?PageBase?的摘要說明。
13?????///?</summary>?
14?????public?class?PageBase?:?Page
15?????{
16?????????private?static?object?obj?=?new?object();
17?????????////?<summary>?
18?????????///?重寫默認的HtmlTextWriter方法，修改form標記中的value屬性，使其值為重寫的URL而不是真實URL。
19?????????///?</summary>?
20?????????///?<param?name="writer"></param>?
21?????????protected?override?void?Render(HtmlTextWriter?writer)
22?????????{
23?????????????if?(writer?is?System.Web.UI.Html32TextWriter)
24?????????????{
25?????????????????writer?=?new?FormFixerHtml32TextWriter(writer.InnerWriter);
26?????????????}
27?????????????else
28?????????????{
29?????????????????writer?=?new?FormFixerHtmlTextWriter(writer.InnerWriter);
30?????????????}
31?????????????base.Render(writer);
32?????????}
33?????}
34?????public?class?FormFixerHtml32TextWriter?:?System.Web.UI.Html32TextWriter
35?????{
36?????????public?FormFixerHtml32TextWriter(TextWriter?writer)?:?base(writer)
37?????????{
38?
39?????????}
40?????????public?override?void?WriteAttribute(string?name,?string?value,?bool?encode)
41?????????{
42?????????????//?如果當前輸出的屬性為form標記的action屬性，則將其值替換為重寫后的虛假URL?
43?????????????if?(string.Compare(name,?"action",?true)?==?0)
44?????????????{
45?????????????????value?=?HttpContext.Current.Request.RawUrl;
46?????????????}
47?????????????base.WriteAttribute(name,?value,?encode);
48?????????}
49?
50?????}
51?????public?class?FormFixerHtmlTextWriter?:?System.Web.UI.HtmlTextWriter
52?????{
53?
54?????????public?FormFixerHtmlTextWriter(TextWriter?writer)?:?base(writer)
55?????????{
56?
57?????????}
58?????????public?override?void?WriteAttribute(string?name,?string?value,?bool?encode)
59?????????{
60?????????????if?(string.Compare(name,?"action",?true)?==?0)
61?????????????{
62?????????????????value?=?HttpContext.Current.Request.RawUrl;
63?????????????}
64?????????????base.WriteAttribute(name,?value,?encode);
65?
66?????????}
67?
68?????}
69?
70?}

轉載于:https://www.cnblogs.com/wingurumqi/archive/2008/11/13/1332882.html

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