> For the complete documentation index, see [llms.txt](https://jack80342.gitbook.io/thymeleaf/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://jack80342.gitbook.io/thymeleaf/i.-using-thymeleaf/17-jie-ou-de-mo-ban-luo-ji/17.5-resolution-of-decoupled-logic.md).

# 17.5 解耦的逻辑的解析

Thymeleaf解析解耦的逻辑资源的方式由用户配置。 它取决于扩展点——`org.thymeleaf.templateparser.markup.decoupled.IDecoupledTemplateLogicResolver`。还有一个默认的实现：`StandardDecoupledTemplateLogicResolver`。

这个标准的实现做了什么呢？

* 首先，它对模板资源的基本名称应用`前缀`和`后缀`（通过`ITemplateResource#getBaseName()`方法）。前缀和后缀都可以配置。默认的，前缀将会为空，而后缀会是`.th.xml`。
* 其次，它通过`ITemplateResource#relative(String relativeLocation)`方法，用计算出的名称，请求模版资源解析相对的资源。

`IDecoupledTemplateLogicResolver`的特定实现可以很容易地在`TemplateEngine`里配置：

```java
final StandardDecoupledTemplateLogicResolver decoupledresolver = 
        new StandardDecoupledTemplateLogicResolver();
decoupledResolver.setPrefix("../viewlogic/");
...
templateEngine.setDecoupledTemplateLogicResolver(decoupledResolver);
```


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