anchor.diff:    ## 总结
     
     This page covered how to:
  +
     本章介绍了如何：
  -  - [Build a simple **attribute directive** to attach behavior to an HTML element](#write-directive).
  +  - [Build a simple **attribute directive** to attach behavior to an HTML element](#write-directive)
     - [构建一个简单的**属性型指令**来为一个HTML元素添加行为](#write-directive)，
     - [Use that directive in a template](#apply-directive).
     - [在模板中使用那个指令](#apply-directive)，
  
positive.code: +makeExample('attribute-directives/ts/app/app.component.1.html',null,'app/app.component.html')(format=".")
  :marked
    Now reference this template in the `AppComponent`:
    现在，引用`AppComponent`的模板：
  +makeExample('attribute-directives/ts/app/app.component.ts',null,'app/app.component.ts')
  :marked
  
negative.code: 
    *Attribute directives* are used as attributes of elements. The built-in [NgStyle](template-syntax.html#ngStyle) directive in the [Template Syntax](template-syntax.html) page, for example,
    can change several element styles at the same time.
  
    *属性型*指令改变一个元素的外观或行为。比如，内置的[NgStyle](template-syntax.html#ngStyle)指令可以同时修改元素的多种样式。
  
  .l-main-section
  