vue design vue form 【form 表单不提交时怎么把表单数据抛出到父组件？】

onChange(e) {
      this.$nextTick(() => {
        this.form.validateFields((err, values) => {
          if (!err) {
            values = this.valuesTransform(values)
            console.log(values)
            this.$emit(‘changeCallBack‘, values)
          }
        })
      })
    },

<component
              :is="item.componentx"
              :key="index"
              :name="item.name"
              :type="item.type"
              :format="item.format"
              :show-time="item.showTime"
              v-decorator="[
                item.name,
                    {
                        initialValue: initialValueHandle(item),
                        rules: rule && item.rules
                    },
              ]"
              @change="onChange"
              style="width: 100%"
            >
              <a-icon v-if="item.after" slot="addonAfter" type="search" />
            </component>