<a-form style="max-width: 500px; margin: 40px auto 0;" @submit="handleSubmit" :form="form">
<a-form-item
label="密码"
:labelCol="{span: 5}"
:wrapperCol="{span: 19}"
class="stepFormText"
hasFeedback
>
<a-input
v-decorator="[
'password',
{rules: [{ required: true, message: '请输入密码' },{validator: handlePass}]}
]"
name="password"
/>
</a-form-item>
<a-form-item
label="确认密码"
:labelCol="{span: 5}"
:wrapperCol="{span: 19}"
class="stepFormText"
hasFeedback
>
<a-input
v-decorator="[
'confirm_password',
{rules: [{ required: true, message: '请输入确认密码' },{validator: handleConfirmPass}]}
]"
name="confirm_password"
/>
</a-form-item>
<a-form-item :wrapperCol="{span: 19, offset: 5}">
<a-button :loading="loading" type="primary" htmlType="submit">提交</a-button>
</a-form-item>
</a-form>

<a-input
     v-decorator="[
     'confirm_password',
     {rules: [{ required: true, message: '请输入确认密码' },{validator: handleConfirmPass}]}
    ]"
     name="confirm_password"
   />

<script>
export default {
 data () {
  return {
   labelCol: {
    xs: { span: 24 },
    sm: { span: 7 }
   },
   wrapperCol: {
    xs: { span: 24 },
    sm: { span: 13 }
   },
   password: '',
   // form
   form: this.$form.createForm(this)
  }
 },
 methods: {
  handlePass(rule,value,callback){
   this.password = value
   callback()
  },
  handleConfirmPass(rule,value, callback){
   if (this.password && this.password !== value) {
    callback('两次密码输入不一致！')
   }
   // Note: 必须总是返回一个 callback，否则 validateFieldsAndScroll 无法响应
   callback()
  },
  handleSubmit (e) {
   e.preventDefault()
   this.form.validateFields((err, values) => {
    if (!err) {
     console.log(values)
    }
   })

  }
 }
}
</script>