IndexableContent

指示应为搜索索引元素的文本,但不与属性关联。 请注意,稍后可以基于属性键检索属性,但不能检索文本内容。

<element
    sc:IndexableContent= "true" | "false" | "1" | "0"
    xmlns:sc="http://schemas.microsoft.com/Search/2013/ApplicationContent">
</element>

数据类型

此属性接受布尔值:

  • true
  • false
  • 1
  • 0

示例

此示例显示了一个简单的 appcontent 文件,该文件描述名为 "Sample 1" 的项。

请注意,该文件包含未由 appcontent-ms 架构定义的元素: IndexerSampleInformationIndexerSampleSpecificElement 。 Appcontent 文件必须有一个根节点,该节点封装要编制索引的所有数据,但您可以将该节点命名为所需的任何内容。

<?xml version="1.0" encoding="utf-8"?>
<IndexerSampleInformation>
  <Properties xmlns="http://schemas.microsoft.com/Search/2013/ApplicationContent">
    <Name>Sample 1</Name>
    <Keywords>
      <Keyword xml:lang="en-US">Sample 1 - keyword 1</Keyword>
      <Keyword>Sample 1 - keyword 2</Keyword>
    </Keywords>
    <Comment>Sample 1 comment</Comment>
    <AdditionalProperties>
      <Property Key="System.Title">Sample 1 Title</Property>
      <Property xml:lang="en-US" Key="System.Contact.EmailAddresses">
        <Value>bryan@contoso.com</Value>
        <Value>vincent@contoso.com</Value>
      </Property>
    </AdditionalProperties>
  </Properties>
  <IndexerSampleSpecificElement sc:IndexableContent="true" 
    xmlns:sc="http://schemas.microsoft.com/Search/2013/ApplicationContent">
    The text included here will be indexed, enabling full-text search.
  </IndexerSampleSpecificElement>
</IndexerSampleInformation>

甚至可以告诉 Windows 搜索来为任意元素的内容编制索引。 只需使用 IndexableContent 特性告诉搜索来为内容编制索引。 在前面的示例中,Windows Search 将为 IndexerSampleSpecificElement 的内容编制索引,因为IndexableContent属性设置为true

  <IndexerSampleSpecificElement sc:IndexableContent="true" 
    xmlns:sc="http://schemas.microsoft.com/Search/2013/ApplicationContent">
    The text included here will be indexed, enabling full-text search.
  </IndexerSampleSpecificElement>

默认情况下,搜索将内容视为文本内容;如果内容为 base64,则使用 " ContentType " 属性指定 MIME 类型。

下一个示例演示如何将 appcontent-ms 文件复制到应用程序的 LocalFolder\Indexed 文件夹。 此代码会将在应用程序的 appcontent-ms 文件夹中找到的所有文件复制到 LocalFolder\Indexed 文件夹。 (您还可以在索引文件夹中直接创建新的 appcontent 文件,而不是从其他位置复制它们。 )

/// <summary>
/// For the purposes of this sample, the appcontent-ms files are stored in an "appcontent-ms" folder in the
/// install directory. These are then copied into the app&#39;s "LocalState\Indexed" folder, which exposes them
/// to the indexer.
/// </summary>
public async static Task<string> AddAppContentFilesToIndexedFolder()
{
    var localFolder = Windows.Storage.ApplicationData.Current.LocalFolder;
    var installDirectory = Windows.ApplicationModel.Package.Current.InstalledLocation;
    var outputString = "Items added to the \"Indexed\" folder:";
    var appContentFolder = await installDirectory.GetFolderAsync("appcontent-ms");
    var indexedFolder = await localFolder.CreateFolderAsync(
        "Indexed", Windows.Storage.CreationCollisionOption.OpenIfExists);
    var files = await appContentFolder.GetFilesAsync();
    foreach (var file in files)
    {
        outputString += "\n" + file.DisplayName + file.FileType;
        await file.CopyAsync(indexedFolder, 
            file.Name, Windows.Storage.NameCollisionOption.ReplaceExisting);
    }
    return outputString;
}
// For the purposes of this sample, the appcontent-ms files are stored in an "appcontent-ms" folder
// in the install directory.  These are then copied into the app&#39;s "LocalState\Indexed" folder,
// which exposes them to the indexer.
function _addAppContentFilesToIndexedFolder() {
    var localFolder = appData.localFolder,
        appcontentFolder,
        indexedFolder,
        installDirectory = Windows.ApplicationModel.Package.current.installedLocation;
    var output = "Items added to the \"Indexed\" folder:\n";
    installDirectory.getFolderAsync("appcontent-ms").then(function (retrievedAppcontentFolder) {
        appcontentFolder = retrievedAppcontentFolder;
        return localFolder.createFolderAsync(
            "Indexed", Windows.Storage.CreationCollisionOption.openIfExists);
    }).then(function (retrievedIndexedFolder) {
        indexedFolder = retrievedIndexedFolder;
        return appcontentFolder.getFilesAsync(appcontentFolder);
    }).then(function (files) {
        var promiseArray = [];
        for (var i = 0, len = files.length; i < len; i++) {
            promiseArray[i] = files[i].copyAsync(indexedFolder, 
                files[i].name, Windows.Storage.NameCollisionOption.replaceExisting);
            output += files[i].displayName + files[i].fileType;
            if (i < len - 1) {
                output += "\n";
            }
        }
        return WinJS.Promise.join(promiseArray);
    }).done(function () {
        WinJS.log &amp;&amp; WinJS.log(output, "sample", "status");
    });
}

有关完整的代码,请参阅 索引器示例

要求

最低受支持的客户端

Windows 8.1 [仅桌面应用]

最低受支持的服务器

Windows Server 2012 R2 [仅桌面应用]

请参阅

索引器示例

Windows。存储。寻找