#### 自定义校验规则 这个例子中展示了如何使用自定义验证规则来完成密码的二次验证。本例还使用 `has-feedback` 属性为输入框添加了表示校验结果的反馈图标。 自定义校验 callback 必须被调用。 更多高级用法可参考 [async-validator](https://github.com/yiminghe/async-validator) #### Custom validation rules This example shows how to customize your own validation rules to finish a two-factor password verification. You can use `has-feedback` to reflect validation result as an icon. Custom validate callback function must be called. See more advanced usage at [async-validator](https://github.com/yiminghe/async-validator). ```vue ```