sannongzixunwang_web/pages/newsList/[id].vue

<template>
    <div id="newsList">
        <!-- 页面头部 -->
        <HomePageHead></HomePageHead>

        <!-- 导航栏 -->
        <HomePageNavigation1></HomePageNavigation1>

        <!-- 列表页广告一 -->
        <HomeTopTen :imgurl="adImg1" v-if="adImg1"></HomeTopTen>

        <!-- 二级标题-->
        <div class="sannongzhichuang" v-if="parent_name != ''">
            <div class="inner">
                <h2>
                    <NuxtLink :to="`/primaryNavigation/${parent_id}`"> {{ parent_name }}</NuxtLink>
                    <em class="iconfont icon-xingzhuang-zhijiaosanjiaoxing-copy"></em>
                </h2>
                <p class="introduction">
                    <strong>频道介绍</strong>
                <div v-for="(item, index) in secondNav" :key="index">
                    <span v-if="index <= 7">
                        <NuxtLink :to="{ path: `/newsList/${item.category_id}` }">{{ item.alias }}</NuxtLink>
                    </span>
                    <b v-else></b>
                </div>
                </p>
            </div>
        </div>

        <!-- 面包屑导航 -->
        <div class="breadcrumb">
            <div class="inner">
                <span class="location">当前位置:</span>
                <el-breadcrumb :separator-icon="ArrowRight">
                    <el-breadcrumb-item>
                        <NuxtLink to="/">首页</NuxtLink>
                    </el-breadcrumb-item>
                    <el-breadcrumb-item v-if="parent_name != ''">
                        <NuxtLink :to="`/primaryNavigation/${parent_id}`"> {{ parent_name }}</NuxtLink>
                    </el-breadcrumb-item>
                    <el-breadcrumb-item>{{ name }}</el-breadcrumb-item>
                </el-breadcrumb>
            </div>
        </div>
        <!-- 资讯列表 -->
        <div class="newsList">
            <div class="inner">
                <div class="innerLeft">
                    <ul class="list">
                        <li v-for="(item, index) in newsList" :key="index">
                            <NuxtLink :to="item.linkurl" v-show="item.islink == 1" :title="item.title">{{ item.title }}
                            </NuxtLink>
                            <NuxtLink :to="`/newsDetail/${item.id}`" v-if="item.islink == 0" :title="item.title">{{
                                item.title }}</NuxtLink>
                        </li>
                    </ul>
                    <!-- 分页器 -->
                    <div class="pagination" v-if="total">
                        <el-pagination 
                            size="small" 
                            background 
                            layout="prev, pager, next" 
                            :total="total" 
                            class="mt-4"
                            v-model:page-size="pageSize" 
                            v-model:current-page="page"
                            prev-text="上一页" 
                            next-text="下一页" 
                            @change="changePage" 
                        />
                    </div>
                </div>
                <div class="innerRight">
                    <DetailHotNews></DetailHotNews>
                    <DetailHotNews2></DetailHotNews2>
                </div>
            </div>
        </div>

        <!-- 列表页广告二 -->
        <HomeTopTen :imgurl="adImg2" v-if="adImg2"></HomeTopTen>

        <!-- 页面底部 -->
        <HomeFoot1></HomeFoot1>
    </div>
</template>

<script setup>
//1.页面必备依赖 start ---------------------------------------->
import { ElBreadcrumb, ElBreadcrumbItem, ElPagination } from 'element-plus'
import { ArrowRight } from '@element-plus/icons-vue'
import { ref, onMounted } from 'vue';
//当前列表名称
const name = ref('')

const { $webUrl, $CwebUrl, $BwebUrl } = useNuxtApp()
//1.页面必备依赖 end ---------------------------------------->


//1.获得路由id start ---------------------------------------->
const route = useRoute();
let articleId = 0;//路由id
let page = ref(1)
let total = useState("total", () => 0)
let pageSize = useState("pageSize", () => 20)

//判断用户是由于别名跳转还是直接访问二级分类，正常来说只会从别名访问
const getRoute = () => {
    if(route.meta.isAlias){
        //如果有别名，跳转是这样的：http://localhost:3000/zhaogongzhaopin20/1.html
        //如果用户从别名访问，数据需要从meta中获取
        articleId = route.meta.routeId;
        // 获取route.params.id中的数字部分
        const idString = route.params.id;
        const idNumber = parseInt(idString.replace(/\D/g, ''), 10);
        page.value = idNumber;

    }else{
        //如果没有别名 跳转是这样的：http://localhost:3000/newsList/20?page=1
        articleId = route.params.id;
        page.value = route.query.page;
    }
}

// 监听路由变化
watch(() => route.path, (newPath) => {
    //每当路径变化的时候重新获取routeId
    getRoute()
}, { immediate: true })
//1.获得路由id end ---------------------------------------->


//2.页面数据 start ---------------------------------------->
//2.2新闻列表
const newsList = ref([]);
let newslists = async () => {
    const listData = await requestDataPromise('/web/getWebsiteArticleList', {
        method: 'GET',
        query: {
            'page': page.value,
            'pageSize': pageSize.value,
            'catid': articleId
        },
    });
    if (listData.code == 200) {
        newsList.value = listData.data.rows;
        total.value = listData.data.count;
    } else {
        console.log("SSR waring ---------- SSR waring ---------- SSR waring ---------->")
        console.log("错误位置：获取新闻列表")
        console.log("后端错误反馈：", listData.message)
        console.log("SSR waring ---------- SSR waring ---------- SSR waring ---------->")
    }
}
//获得列表
newslists();

//分页事件
let changePage = (value) => {
    console.log("当前页码", value);
    page.value = value

    //判断是否为真路径
    if(route.meta.isAlias){
        navigateTo(`${route.meta.path}${page.value}.html`)
    }else{
        navigateTo(`/newsList/${articleId}?page=${page.value}`)
    }
}

//2.3获得页面名称
let getPageName = async () => {
    const pageName = await requestDataPromise('/web/getOneWebsiteCategory', {
        method: 'GET',
        query: {
            'catid': articleId
        },
    });
    if (pageName.code == 200) {
        name.value = pageName.data.alias
    } else {
        console.log("SSR waring ---------- SSR waring ---------- SSR waring ---------->")
        console.log("错误位置：设置页面标题")
        console.log("后端错误反馈：", pageName.message)
        console.log("SSR waring ---------- SSR waring ---------- SSR waring ---------->")
    }
}
//获得列表
getPageName();
//2.页面数据 end ---------------------------------------->


//3.二级栏目 start ---------------------------------------->
//3.1通过id获取父栏目
const parent_name = ref([]);
const parent_id = ref([]);
let getParentNav = async () => {
    const listData = await requestDataPromise('/web/getOneWebsiteCategory', {
        method: 'GET',
        query: {
            'catid': articleId
        },
    });
    if (listData.code == 200) {
        console.log(listData.data);
        parent_name.value = listData.data.parent_name;
        parent_id.value = listData.data.parent_id;
    } else {
        console.log("SSR waring ---------- SSR waring ---------- SSR waring ---------->")
        console.log("错误位置：获取新闻列表")
        console.log("后端错误反馈：", listData.message)
        console.log("SSR waring ---------- SSR waring ---------- SSR waring ---------->")
    }
    getSecondNav();
}
//获得列表
getParentNav();

// 3.2获取二级栏目
const secondNav = ref([]);
let getSecondNav = async () => {
    const listData = await requestDataPromise('/web/getWebsiteModelCategory', {
        method: 'GET',
        query: {
            'placeid': 1,
            'pid': parent_id.value,
            'num': 8,
        },
    });
    console.log('listData', listData);

    if (listData.code == 200) {
        secondNav.value = listData.data;
    } else {
        console.log("SSR waring ---------- SSR waring ---------- SSR waring ---------->")
        console.log("错误位置：获取新闻列表")
        console.log("后端错误反馈：", listData.message)
        console.log("SSR waring ---------- SSR waring ---------- SSR waring ---------->")
    }
}
//3.二级栏目 end ---------------------------------------->

//4.设置seo信息 start---------------------------------------->
//4.1 设置seo信息
const setData = await requestDataPromise('/web/getWebsiteCategoryHead', {
    method: 'GET',
    query: {
        'catid': articleId
    },
});

if (setData.code == 200) {
    let seoTitle = setData.data.seo_title;
    let seoDescription = setData.data.seo_description;
    let seoKeywords = setData.data.seo_keywords;
    let seoSuffix = setData.data.suffix;
    let seoName = setData.data.website_name;

    useSeoMeta({
        title: seoTitle + "_" + seoName + "_" + seoSuffix,
        meta: [
            { name: 'description', content: seoDescription + "_" + seoName + "_" + seoSuffix , tagPriority: 10 },
            { name: 'keywords', content: seoKeywords + "_" + seoName + "_" + seoSuffix , tagPriority: 10 }
        ]
    });
} else {
    console.log("SSR waring ---------- SSR waring ---------- SSR waring ---------->")
    console.log("错误位置：设置列表页面SEO数据")
    console.log("后端错误反馈：", setData.message)
    console.log("SSR waring ---------- SSR waring ---------- SSR waring ---------->")
}
//4.设置seo信息 end---------------------------------------->


//5.广告 start---------------------------------------->
let adImg1 = ref({});
let adImg2 = ref({});

onMounted(async ()  => {
    //从客户端获取行政职能部门 加快打开速度
    const { $webUrl, $CwebUrl } = useNuxtApp();
    //广告1
    let url = `${$webUrl}/web/getWebsiteAdvertisement?ad_tag=snzxw_index_0001`
    const responseAd1 = await fetch(url, {
        headers: {
            'Content-Type': 'application/json',
            'Userurl': $CwebUrl,
            'Origin': $CwebUrl
        }
    });
    const resultAd1 = await responseAd1.json();
    adImg1.value = resultAd1.data[0];
    
    //广告2
    let url2 = `${$webUrl}/web/getWebsiteAdvertisement?ad_tag=snzxw_index_0002`
    const responseAd2 = await fetch(url2, {
        headers: {
            'Content-Type': 'application/json',
            'Userurl': $CwebUrl,
            'Origin': $CwebUrl
        }
    });
    const resultAd2 = await responseAd2.json();
    adImg2.value = resultAd2.data[0];

})
//5.广告 end---------------------------------------->
</script>

<style lang="less" scoped>
@import url('@/assets/css/list.less');
</style>