WiX片段是一个容器，您可以在其中配置几乎所有WiX提供的功能。在本例中，我们将定义一个片段，用于编写两个注册表条目：

<?xml version="1.0" encoding="utf-8"?>
<Wix xmlns="http://schemas.microsoft.com/wix/2006/wi">
  <Fragment>
    <!-- these registry entries should be installed
         to the target user's machine -->
    <DirectoryRef Id="TARGETDIR">
      <!-- groups together the registry entries to be installed -->
      <!-- Note the unique `Id` we provide here -->
      <Component Id="MyFragmentRegistryEntries" Guid="*">
        <!-- the registry key will be under
             HKEY_CURRENT_USER\Software\MyCompany\MyApplicationName -->
        <!-- Tauri uses the second portion of the
             bundle identifier as the `MyCompany` name
             (e.g. `tauri-apps` in `com.tauri-apps.test`)  -->
        <RegistryKey
          Root="HKCU"
          Key="Software\MyCompany\MyApplicationName"
          Action="createAndRemoveOnUninstall"
        >
          <!-- values to persist on the registry -->
          <RegistryValue
            Type="integer"
            Name="SomeIntegerValue"
            Value="1"
            KeyPath="yes"
          />
          <RegistryValue Type="string" Value="Default Value" />
        </RegistryKey>
      </Component>
    </DirectoryRef>
  </Fragment>
</Wix>

将片段文件保存为带有.wxs扩展名的文件，并在项目的某个位置引用它在tauri.conf.json中：

{
  "tauri": {
    "bundle": {
      "windows": {
        "wix": {
          "fragmentPaths": ["./path/to/registry.wxs"],
          "componentRefs": ["MyFragmentRegistryEntries"]
        }
      }
    }
  }
}

请注意，ComponentGroup、Component、FeatureGroup、Feature和Merge元素的id必须在tauri.conf.json的componentGroupRefs、componentRefs、featureGroupRefs、featureRefs和mergeRefs中进行引用，以便包含在安装程序中。