vue自定义指令clickoutside使用以及扩展用法

Posted 2021-06-29 秋水不寒

<template>
  <div class="testPage">
       <div class="block" @click="onShow" v-click-outside="closeDialog">111</div>
       <div class="show" v-if="flag">QQQQQQQQQQ</div>
       <!-- <input v-focus> -->
       <!-- <el-input v-focus type="text" /> -->
       <!-- <div v-click-outside="closeDialog">222</div> -->
  </div>
</template>
<script>
// import global from '../common/global';

export default {
  data() {
    return {
      flag:false,
      list:[{id:'1',name:'张三',seen:false},{id:'2',name:'李四',seen:false}],
      /* input11: '',
      numberValidateForm: {
          age: 0,
          height: '175'
        },
        rules_V: {
          height: [{ validator: validateHeight, trigger: 'blur' }]
        } */
    };
  },

  components: {},
  created() {},
  methods: {
    onShow(){
      this.flag=true;
    },
    closeDialog(){
       this.flag=! this.flag;
    },
     handleIconClick(ev) {
       window.open('https://www.baidu.com/','_self');
    },
    onClick(item,index){
      console.log(item,index)
      // console.log(this.list)
      item.seen=true;
      this.$set(this.list,index,item);
      console.log(this.list)
    }
  }
  ,
  directives: {
  clickOutside : {
  bind(el, binding, vnode) {
    function clickHandler(e) {
      if (el.contains(e.target)) {
        return false;
      }
      if (binding.expression) {
        binding.value(e);
      }
    }
    el.__vueClickOutside__ = clickHandler;
    document.addEventListener('click', clickHandler);
  },
  update() {},
  unbind(el, binding) {
    document.removeEventListener('click', el.__vueClickOutside__);
    delete el.__vueClickOutside__;
  },
  }
}
};
</script>
<style lang="less" scoped>
.testPage {
  width: 100%;
  height: 100%;
  .el-input--width{
    border-radius: 20px;
    width: 100px;
  }
  .block{
    width: 100px;
    height: 100px;
    background-color: #f90;
  }

}
</style>