探索Vue.js宝库：解锁基础知识与实用技能之门（1. 数据绑定与响应式 2. 条件与循环 3. 组件化开发；1. 路由管理与导航 2. 状态管理与Vuex 3. Vue.js的生命周期）

<template>
  <div>
    <p>{{ message }}</p>
    <button @click="changeMessage">Change Message</button>
  </div>
</template>
<script>
export default {
  data() {
    return {
      message: 'Hello, Vue!'
    }
  },
  methods: {
    changeMessage() {
      this.message = 'Hello, World!';
    }
  }
}
</script>

<template>
  <div>
    <p v-if="showMessage">{{ message }}</p>
    <ul>
      <li v-for="item in items" :key="item.id">{{ item.name }}</li>
    </ul>
  </div>
</template>
<script>
export default {
  data() {
    return {
      showMessage: true,
      message: 'Hello, Vue!',
      items: [
        { id: 1, name: 'Item 1' },
        { id: 2, name: 'Item 2' },
        { id: 3, name: 'Item 3' }
      ]
    }
  }
}
</script>

<template>
  <div>
    <my-component :message="message"></my-component>
  </div>
</template>
<script>
import MyComponent from './MyComponent.vue';
export default {
  components: {
    MyComponent
  },
  data() {
    return {
      message: 'Hello, Vue!'
    }
  }
}
</script>

// 路由配置
import VueRouter from 'vue-router';
import Home from './components/Home.vue';
import About from './components/About.vue';
const routes = [
  { path: '/', component: Home },
  { path: '/about', component: About }
];
const router = new VueRouter({
  routes
});
// 在Vue实例中使用路由
new Vue({
  router
}).$mount('#app');

// Vuex状态管理
import Vuex from 'vuex';
const store = new Vuex.Store({
  state: {
    count: 0
  },
  mutations: {
    increment(state) {
      state.count++;
    }
  }
});
// 在Vue实例中使用Vuex
new Vue({
  store
}).$mount('#app');

export default {
  data() {
    return {
      message: 'Hello, Vue!'
    }
  },
  created() {
    console.log('Component created');
  },
  mounted() {
    console.log('Component mounted');
  },
  destroyed() {
    console.log('Component destroyed');
  }