/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
<template>
  <div>
    <div>{{ computedCount }}</div>
    <button @click="inc">加</button>
    <button @click="dec">减</button>
    <button @click="reset">重置</button>
  </div>
</template>

<script>
export default {
  props: {
    factor: { type: Number, default: 1 }
  },
  data() {
    return {
      count: 0
    };
  },
  methods: {
    inc() {
      this.count++;
    },
    dec() {
      this.count--;
    },
    reset() {
      this.count = 0;
    }
  },
  computed: {
    computedCount: function() {
      return this.count * this.factor;
    }
  }
};
</script>