uniapp input输入框实现自动选中

<input id="select" v-model="value" :focus='focus' @focus="render._select">  

<script module="render" lang="renderjs">  
    export default {  
        methods: {  
            _select () {  
                document.querySelector('#select input').select()  
            }  
        }  
    }  
</script>

实测Android、ios、H5均可生效