anchor.diff:    :marked
       Learn more about `FormBuilder` in the [Introduction to FormBuilder](../guide/reactive-forms.html#formbuilder) section of Reactive Forms guide.
   
  -    到**即将到来**的响应式表单章，学习更多关于`FormBuilder`的知识。
  +    到[响应式表单]的[FormBuilder介绍](../guide/reactive-forms.html#formbuilder)部分，学习更多关于`FormBuilder`的知识。
       
   a#committing-changes
   :marked
  
positive.code: 
          [组件类](#reactive-component-class)
  
  
          * [`FormBuilder` declaration](#formbuilder)
  
            [`FormBuilder`声明](#formbuilder)
  
negative.code:   Each control spec is a control name with an array value.
    The first array element is the current value of the corresponding hero field.
    The optional second value is a validator function or an array of validator functions.
    
    每个控制器的设置都是控制器名字和数组值。
    第一个数组元素是英雄控件对应的当前值。
    第二个值（可选）是验证器函数或者验证器函数数组。
    
    Most of the validator functions are stock validators provided by Angular as static methods of the `Validators` class.
    Angular has stock validators that correspond to the standard HTML validation attributes.
  
  