Vue过滤器filters如何使用

{{message | myFilter}}

<el-tag :type="message | myFilter"></el-tag>

this.$options.filters['这里是过滤器的名字']('过滤器的参数')

this.$options.filters['这里是过滤器的名字']('参数一', this.fun('zhangyue'))

{{message | filterA | filterB}}

const arr = [
{
	id: 1,
	name: '张张'
},
{
	id: 2,
	name: '悦悦'
}
]

<ul>
	<li v-for="item in arr" :key="item.id">{{item | myFilterA | myFilterB}}</li>
</ul>

export default {
	filters: {
		myFilterA(message) {
			return '我是' + message
		},
		myFilterB(message) {
			return message + '串联咯'
		}
	}
}

<el-table-column
  label="status"
  width="100"
>
  <template slot-scope="scope">
    <el-tag :type="scope.row.status | statusFilter">{{
      scope.row.status
    }}</el-tag>
  </template>
</el-table-column>

export default {
  filters: {
    statusFilter(status) {
      const statusMap = {
        published: 'success',
        draft: 'gray',
        deleted: 'danger'
      }
      return statusMap[status]
    }
  }
}

{{message | filterA('arg1', 'arg2')}}

Vue.filter('capitalize', function (value) {
  if (!value) return ''
  value = value.toString()
  return value.charAt(0).toUpperCase() + value.slice(1)
})

new Vue({
  // ...
})