<template>
    <div class="swiper">
        <!-- 首页大轮播图 -->
        <el-carousel :interval="3333" height="405px" indicator-position="none" arrow="always"  @change="change_fun">
            <el-carousel-item v-for="(item, index) in imagelist" :key="item">
                <NuxtLink :to="`/newsDetail/${item.id}`" target="_blank">
                    <img :src="item.imgurl">
                    <span class="swiper_dot1 dot1">
                        {{ index + 1 }}
                        {{ item.title }}
                    </span>
                </NuxtLink>
            </el-carousel-item>
        </el-carousel>
        <div class="roll_num_box">
            <span class="roll_num_box_new">{{ roll_num_this + 1 }}</span>
            /
            {{ roll_num_lang }}
        </div>
    </div>
</template>

<script setup>
import { ElCarousel, ElCarouselItem } from 'element-plus'
//获取焦点图数据 start---------------------------------------->
import { ref } from 'vue'
const roll_num_lang = ref(4);
const roll_num_this = ref(0);

const change_fun = (the_1) => {
    roll_num_this.value = the_1
}

const imagelist = ref("")
async function getModelData1() {
    const mkdata =  await requestDataPromise('/web/getWebsiteArticlett', {
        method: 'GET',
        query: {
            'pageSize': 5,
            'level': 2,
            'placeid': 0,
            'id':''
        },
    });
    if(mkdata.code == 200){
        imagelist.value = mkdata.data;
    }else{
        console.log("SSR waring ---------- SSR waring ---------- SSR waring ---------->")
        console.log("错误位置：获取首页轮播图")
        console.log("后端错误反馈：",mkdata.message)
        console.log("SSR waring ---------- SSR waring ---------- SSR waring ---------->")
    }
}
getModelData1()

let currentIndex = ref(0)
let handleIndicatorChange = (val) => {
    currentIndex.value = val
}
</script>

<style lang="less" scoped>
.roll_num_box {
    position: absolute;
    z-index: 100;
    left: 60px;
    bottom: 0px;
    height: 60px;
    line-height: 60px;
    color: #fff;
    font-size: 16px;

    .roll_num_box_new {
        font-size: 20px;
    }
}

.dot1 {
    display: block;
    word-break: keep-all;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.swiper {
    width: 100%;
    height: 405px;
    position: relative;

    img {
        width: 100%;
        height: 405px;
    }

    .swiper_dot1 {
        display: block;
        width: 100%;
        line-height: 60px;
        height: 60px;
        color: #fff;
        font-size: 18px;
        text-indent: 20px;
        position: absolute;
        bottom: 0;
        left: 0;
        z-index: 10;
        box-sizing: border-box;
        padding: 0 144px;

        background: linear-gradient(0deg, rgba(0, 0, 0, 0.5) 33%, rgba(0, 0, 0, 0) 100%);
    }

}

.el-carousel {
    /deep/.el-carousel__arrow i {
        font-size: 33px !important;
    }

    .roll_1_box {
        position: relative;
    }

    /deep/.el-carousel__arrow--left {
        position: absolute;


        width: 35px;
        height: 57px;
        color: #fff;
        background: rgba(0, 0, 0, 0);

        left: 9px;
        border: none;
        border-radius: 0;
        top: 100%;
        margin-top: -28px;
    }

    /deep/.el-carousel__arrow--right {
        width: 35px;
        height: 57px;
        color: #fff;
        background: rgba(0, 0, 0, 0);
        position: absolute;
        right: 9;
        border: none;
        border-radius: 0;
        top: 100%;
        margin-top: -28px;
    }

    /deep/ .el-carousel__indicators {
        // 指示器
        left: unset;
        transform: unset;
        right: 10px;
        bottom: 11px;
    }

    /deep/ .el-carousel__button {
        // 指示器按钮
        width: 10px;
        height: 10px;
        border: none;
        border-radius: 5px;
        background: #fff;
        opacity: 1;
    }

    /deep/ .is-active .el-carousel__button {
        // 指示器激活按钮
        background: #255590;
        width: 25px;
        opacity: 1;

    }

    /deep/ .el-carousel__container {
        height: 100%;
    }
}

.custom-indicator button {
    background-color: #fff;

    opacity: 1;
    width: 8px;
    height: 8px;
}

.custom-indicator button.is-active {
    background-color: #DD7D18;
    width: 58px;

    opacity: 1;
}
</style>