下面列出了SharePoint的母版页中定义的所有占位符：（详细位置请对照default.master）1、<asp:ContentPlaceHolder ID="PlaceHolderGlobalNavigationSiteMap" runat="server" />
放置连接到顶级站点的超连接
2、<asp:ContentPlaceHolder ID="PlaceHolderGlobalNavigation" runat="server" />
放置顶部一行内容。
3、<asp:ContentPlaceHolder ID="PlaceHolderSiteName" runat="server" />
放置站点名称
4、<asp:ContentPlaceHolder ID="PlaceHolderSearchArea" runat="server" />
放置搜索框
5、<asp:ContentPlaceHolder ID="PlaceHolderHorizontalNav" runat="server" />
放置水平导航栏
6、<asp:ContentPlaceHolder ID="PlaceHolderTopNavBar" runat="server" />
放置水平导航栏一行内容。
7、<asp:ContentPlaceHolder ID="WSSDesignConsole" runat="server" />
页面编辑控件，当页面进入编辑页面模式时使用(当我们点 Site Actions, Edit Page后)
8、<asp:ContentPlaceHolder ID="SPNavigation" runat="server" />
在 Windows SharePoint Services中默认为空，用于附加的页面编辑控件
9、<asp:ContentPlaceHolder ID="PlaceHolderPageImage" runat="server" />
左侧的图片
10、<asp:ContentPlaceHolder ID="PlaceHolderTitleLeftBorder" runat="server" />
Title区左侧边框
11、<asp:ContentPlaceHolder ID="PlaceHolderTitleBreadcrumb" runat="server" />
TitleBreadcrumb页面导航区
12、<asp:ContentPlaceHolder ID="PlaceHolderPageTitleInTitleArea" runat="server" />
Breadcrumb区下面的标题
13、<asp:ContentPlaceHolder ID="PlaceHolderMiniConsole" runat="server" />
一个放置页面级命令的地方，比如在WIKI站点里的Edit Page, History, Incoming Links
14、<asp:ContentPlaceHolder ID="PlaceHolderTitleRightMargin" runat="server" />
Title区右侧空白
15、<asp:ContentPlaceHolder ID="PlaceHolderTitleAreaSeparator" runat="server" />
TitleAreaSeparator区
16、<asp:ContentPlaceHolder ID="PlaceHolderLeftNavBarDataSource" runat="server" />
左侧导航区数据源
17、<asp:ContentPlaceHolder ID="PlaceHolderCalendarNavigator" runat="server" />
在页面中有日历时为其显示一个日期选择框
18、<asp:ContentPlaceHolder ID="PlaceHolderLeftNavBarTop" runat="server" />
左侧导航区上面的导航区
19、<asp:ContentPlaceHolder ID="PlaceHolderLeftNavBar" runat="server" />
左侧导航区
20、<asp:ContentPlaceHolder ID="PlaceHolderLeftActions" runat="server" />
左侧导航区下面的动作区
21、<asp:ContentPlaceHolder ID="PlaceHolderNavSpacer" runat="server" />
左侧导航区的宽度
22、<asp:ContentPlaceHolder ID="PlaceHolderLeftNavBarBorder" runat="server" />
左侧导航区的边框元素
23、<asp:ContentPlaceHolder ID="PlaceHolderBodyLeftBorder" runat="server" />
页面body的边框元素
24、<asp:ContentPlaceHolder id="PlaceHolderPageDescription" runat="server" />
页面描述区
25、<asp:ContentPlaceHolder id="PlaceHolderMain" runat="server" />
页面主体
26、<asp:ContentPlaceHolder ID="PlaceHolderBodyRightMargin" runat="server" />
页面body的右边空白
27、<asp:ContentPlaceHolder ID="PlaceHolderFormDigest" runat="server"/>
这是页面中必备的 "form digest"安全组件。
28、<asp:ContentPlaceHolder ID="PlaceHolderUtilityContent" runat="server" />
页面底部需要的一块特殊内容
29、<asp:ContentPlaceHolder ID="PlaceHolderBodyAreaClass" runat="server" />
附加在页面顶部的body中的样式
30、<asp:ContentPlaceHolder ID="PlaceHolderTitleAreaClass" runat="server" />
TitleArea附加的样式
31、<asp:ContentPlaceHolder id="PlaceHolderAdditionalPageHead" runat="server" />
提供给内容页添加所有可以放在<head>区域的内容，如CSS、JS等。
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