<template>
<!-- 左边导航栏 -->
    <div class="bgimg">
        <div class="pc-nav">
            <div class="pc-nav-item" @click="gotoList(1)">
                <img :src="crrent==1?'/img/index/home1.png':'/img/index/home.png'" alt=""></img>
                <span :class="['span',{'active': crrent==1}]">官网首页</span>
                <img v-if="crrent==1" src="/img/index/arrow.png" alt="" style="width: 9px;height: 12px;margin-left: 10px;">
            </div>
            <div class="pc-nav-item" @click="gotoList(2)"> 
                <img :src="crrent==2?'/img/index/aboutus1.png':'/img/index/aboutus.png'" alt=""></img>
                <span :class="['span',{'active': crrent==2}]">关于我们</span>
                <img v-if="crrent==2" src="/img/index/arrow.png" alt="" style="width: 9px;height: 12px;margin-left: 10px;">
            </div>
            <div class="pc-nav-item" @click="gotoList(3)">
                <img :src="crrent==3?'/img/index/news1.png':'/img/index/news.png'" alt=""></img>
                <span :class="['span',{'active': crrent==3}]">新闻动态</span>
                <img v-if="crrent==3" src="/img/index/arrow.png" alt="" style="width: 9px;height: 12px;margin-left: 10px;">
            </div>
            <div class="pc-nav-item" @click="gotoList(4)">
                <img :src="crrent==4?'/img/index/message1.png':'/img/index/message.png'" alt=""></img>
                <span :class="['span',{'active': crrent==4}]">信息公开</span>
                <img v-if="crrent==4" src="/img/index/arrow.png" alt="" style="width: 9px;height: 12px;margin-left: 10px;">
            </div>
            <div class="pc-nav-item" @click="gotoList(5)">
                <img :src="crrent==5?'/img/index/baike1.png':'/img/index/baike.png'" alt=""></img>
                <span :class="['span',{'active': crrent==5}]">团务百科</span>
                <img v-if="crrent==5" src="/img/index/arrow.png" alt="" style="width: 9px;height: 12px;margin-left: 10px;">
            </div>
        </div>
        <div class="line_h"></div>
        <div class="goback" @click="goBack">返回首页</div>
        <div style="margin-top: 50px;margin-left: 40px;">
            <div class="box_1" id='assist-open'>无障碍阅读</div>
            <div class="box_2" @click="openOldMode">{{ isOld ? '退出适老模式' : '进入适老模式' }}</div>
        </div>
    </div>
</template>

<script lang="ts" setup>
import { ref,defineEmits,defineProps} from 'vue'
import '@/assets/assist/assist-entry.js'
const props = defineProps({
    crrentNum:Number,
    isOld:Boolean
});
const crrent = ref(1);
const emit = defineEmits(['crrentTop'])
const goBack = () => {
    emit('crrentTop',0)
}

const openOldMode = () => {
    emit('openOldMode')
}

const gotoList = (index:number) => {
    crrent.value = index
    emit('crrentTop',index)
}
//更新当前索引值
onUpdated(() => {
    crrent.value = props.crrentNum;
})


</script>

<style lang="scss" scoped>
@import '@/assets/index.scss';
.bgimg{
    width: 350px;
    height: 100vh;
    background-image: url('/img/index/leftHead.png');
    background-size: 100% 100%;
    position: absolute;
    z-index: 1000;
    .pc-nav {
        margin-left: 60px;
        margin-top: 250px;
        text-align: center;
    }
    .pc-nav-item {
        width: 100%;
        // height: 18px;
        font-family: Microsoft YaHei UI;
        font-weight: bold;
        font-size: 18px;
        color: #FFFFFF;
        text-shadow: 0px 1px 0px rgba(0,0,64,0.4);
        display: flex;
        align-items: center;
        margin-bottom: 25px;
        &:hover{
            cursor: pointer;
            color: #FFA234;
        }
        .span{
            margin-left: 20px;
            &.active{
                color: #FFA234;
            }
        }
    }
        .line_h{ 
            width: 220px;
            height: 1px;
            background: #FFFFFF;
            opacity: 0.2;
            margin-left: 40px;
        }
        .goback{
            width: 72px;
            height: 17px;
            font-family: Microsoft YaHei UI;
            font-weight: 400;
            font-size: 18px;
            color: #FFFFFF;
            margin-left:114px ;
            margin-top: 20px;
            cursor: pointer;
        }
        .box_1{
            width: 200px;
            height: 58px;
            line-height: 58px;
            background: #FFA234;
            font-family: Microsoft YaHei UI;
            font-weight: 400;
            font-size: 18px;
            text-align: center;
            color: #FFFFFF;
            cursor: pointer;
        }
        .box_2{
            width: 200px;
            height: 58px;
            line-height: 58px;
            background: #4EB64B;
            margin-top: 16px;
            font-family: Microsoft YaHei UI;
            font-weight: 400;
            font-size: 18px;
            color: #FFFFFF;
            text-align: center;
            cursor: pointer;
        }
    }

</style>