详解Vue组件实现tips的总结

/**
 * modal 模态接口参数
 * @param {string} modal.title 模态框标题
 * @param {string} modal.text 模态框内容
 * @param {boolean} modal.showbtn 是否显示按钮
 * @param {string} modal.btnText 按钮文字
 */

 Vue.component('tips', {
  props : ['tipsOptions'],
  template : '#tips',

  data(){
    return{
      show : false
    }
  },

  computed:{
    tips : {
      get() {
        let tips = this.tipsOptions || {};
        tips = {
          title: tips.title || '提示',
          text: tips.text || '',
          showbtn : tips.showbtn || true,
          btnText : tips.btnText || '确定'
        };
        // console.log(tips);
        return tips;
      }
    }
  }
})

<div class="tips" v-show="show" transition="fade">
  <div class="tips-close" @click="closeTips">x</div>
  <div class="tips-header">
    <slot name="header">
      <p class="title">{{tips.title}}</p>
    </slot>
  </div>
  <div class="tips-body">
    <slot name="body">
      <p class="notice">{{tips.text}}</p>
    </slot>
  </div>
  <div class="tips-footer">
    <a href="javascript:;" rel="external nofollow" rel="external nofollow" v-if="tips.showbtn" @click="yes" >{{tips.btnText}}</a>
  </div>
</div>

.tips {
  position: fixed;
  left: 10px;
  bottom: 10px;
  z-index: 1001;
  -webkit-overflow-scrolling: touch;
  max-width: 690px;
  width: 260px;
  padding: 10px;
  background: #fff;
  box-shadow: 0 0 10px #888;
  border-radius: 4px;
}
.tips-close{
  position: absolute;
  top: 0;
  right: 0;
  width: 20px;
  height: 20px;
  line-height: 20px;
  text-align: center;
}
.tips-header{
  text-align: center;
  font-size: 25px;
}

methods:{
  closeTips(){
    this.show = false;
  },

  yes : function(){
    this.show = false;
    this.$emit('yes', {name:'wenzi', age:36}); // 触发yes事件
  },

  showTips(){
    var self = this;
    self.show = true;

    setTimeout(function(){
      // self.show = false;
    }, 2000)
  }
}

<div class="app">
  <a href="javascript:;" rel="external nofollow" rel="external nofollow" @click="showtips">显示</a>
  <tips :tips-options="tipsOptions" ref="dialog" @yes="yes" v-cloak >
    <h3 slot="header">提示标题</h3>
    <div slot="body">
      <p>hello world</p>
      <p>wenzi</p>
    </div>
  </tips>
</div>

var app = new Vue({
  el : '.app',

  data : {
    tipsOptions : {
      title : 'tip'
    }
  }

  methods:{
    // 监听从组件内传递出来的事件
    yes(args){
      // console.log( args );
      alert( JSON.stringify(args) );
    },

    // 显示tips
    showtips(){
      // console.log( this.$refs );
      this.$refs.dialog.showTips();
    }
  }
})

props: ['initialCounter'],
data: function () {
 return { counter: this.initialCounter }
}

props: ['size'],
computed: {
 normalizedSize: function () {
  return this.size.trim().toLowerCase()
 }
}