cankao-h5/src/components/RankList.vue

<template>
  <view class="news-rank-list">
    <u-skeleton rows="5" title loading style="margin-bottom: 30rpx" v-if="loading"></u-skeleton>
    <view class="list" v-else>
      <view v-for="(item, index) in rankListLocal" :key="index" class="news-item" @click="goDetail(item, 0)">
        <view class="rank-tag">
          <view v-if="index == 0" class="rank-text-top3">
            <img src="@/assets/zixun/ranking_icon_1.png" />
          </view>
          <view v-else-if="index == 1" class="rank-text-top3">
            <img src="@/assets/zixun/ranking_icon_2.png" />
          </view>
          <view v-else-if="index == 2" class="rank-text-top3">
            <img src="@/assets/zixun/ranking_icon_3.png" />
          </view>
          <text class="rank-text" v-else>{{ index + 1 }}</text>
        </view>

        <view class="news-content" :style="{ filter: Session.get('token') ? '' : 'blur(5px)' }">
          <text class="news-title">{{ item.title }}</text>
          <text class="news-desc">{{ item.summary }}</text>

          <!-- 两个标签 start -->
          <view class="r_r_tags" v-if="hasTag">
            <view style="display: flex; margin-top: 20rpx; overflow-x: auto; width: 95vw">
              <view class="r_tags">
                <view class="tag" style="background-color: #fff9ec; color: #ffb100"
                  v-for="(item, index) in item.conceptLabels" :key="index">{{
                    item
                  }}</view>
              </view>
            </view>

            <view style="display: flex; margin-top: 20rpx; overflow-x: auto; width: 100vw">
              <view class="r_tags">
                <view class="tag" style="background-color: #f5f8fe; color: #007aff"
                  v-for="(item, index) in item.industryLabels" :key="index">{{
                    item
                  }}</view>
              </view>
            </view>
          </view>
          <!-- 两个标签 end -->

          <view class="news-meta">
            <view>
              <text class="source">{{ item.source }}</text>
              <!-- <text class="time">{{ dayjs(item.publish_time).format("YYYY-MM-DD HH:MM:ss") }}</text> -->
              <!-- .format('YYYY-MM-DD HH:mm:ss'); -->
              <text class="time">
                {{ timeFormat(new Date(item.publish_time).getTime()) }}
              </text>
            </view>
            <text class="score" v-if="needExp">
              <text v-if="index < 3">资讯评分：</text>
              {{ item.news_score }}</text>
          </view>
        </view>
      </view>
    </view>

    <view @click="isExp = !isExp" class="r_exp" v-if="needExp">
      <text v-if="isExp">收起</text>
      <text v-else>展开全部</text>
      <img src="@/assets/zixun/up_icon.png" class="exp_up" v-if="isExp" />
      <img src="@/assets/zixun/down_icon.png" class="exp_up" v-else />
    </view>

    <LoginPopup :show="LoginShow" @handlePopupClose="handlePopupClose"
      @handlePopupSuccessCallback="handlePopupSuccessCallback" @handlePopupErrorCallback="handlePopupErrorCallback" />
  </view>
</template>

<script setup lang="ts">
import { ref, watch, computed } from "vue";
import dayjs from "dayjs/esm/index";
import LoginPopup from "@/components/loginPopup/index.vue";
import { Session } from "@/utils/storage";

const isExp = ref(false);
const rankListLocal = ref([]);
const loading = ref(true);

watch(
  () => isExp.value,
  (newValue, oldValue) => {
    rankListLocal.value = [];
    props.newsList.forEach((item, index) => {
      if (!isExp.value && index > 9) {
        return;
      }
      let concept_label = "";
      let industry_label = "";
      try {
        concept_label = JSON.parse(item.concept_label);
        industry_label = JSON.parse(item.industry_label);
      } catch (e) { }
      rankListLocal.value.push({
        ...item,
        conceptLabels: concept_label,
        industryLabels: industry_label,
      });
    });

    loading.value = false;
  }
);

watch(
  () => props.newsList,
  (newValue, oldValue) => {
    if (!props.needExp) {
      isExp.value = true;
    }
    rankListLocal.value = [];
    props.newsList.forEach((item, index) => {
      if (!isExp.value && index > 9) {
        return;
      }
      let concept_label = "";
      let industry_label = "";
      try {
        concept_label = JSON.parse(item.concept_label);
        industry_label = JSON.parse(item.industry_label);
      } catch (e) { }

      rankListLocal.value.push({
        ...item,
        conceptLabels: concept_label,
        industryLabels: industry_label,
      });
    });
    loading.value = false;
  }
);

// 接收父组件传入的新闻列表
const props = defineProps({
  newsList: {
    type: Array,
    required: true,
    default: () => [],
  },
  needExp: {
    type: Boolean,
    default: true,
  },
  hasTag: {
    type: Boolean,
    default: false,
  },
});

const clickItem = ref({});
function goDetail(item) {
  if (Session.get("token")) {
    clickItem.value = item;
    uni.navigateTo({
      url: `/pages/detail/indexNewsInfo?id=${item.news_id}`,
    });
  } else {
    LoginShow.value = true;
  }
}

const LoginShow = ref(false);
const isLoginStatus = ref();
// 关闭弹框
const handlePopupClose = () => {
  LoginShow.value = false;
};

// 登录成功之后的回调
const handlePopupSuccessCallback = () => {
  isLoginStatus.value = true;

  // uni.navigateTo({
  //   url: `/pages/detail/indexNewsInfo?id=${clickItem.value.news_id}`,
  // });
};

// 登录失败之后的回调
const handlePopupErrorCallback = () => {
  console.log("登录失败");
};

/**
 * @description 格式化时间
 * @param {String|Number} dateTime 需要格式化的时间戳
 * @param {String} fmt 格式化规则 yyyy:mm:dd|yyyy:mm|yyyy年mm月dd日|yyyy年mm月dd日 hh时MM分等,可自定义组合 默认yyyy-mm-dd
 * @returns {string} 返回格式化后的字符串
 */
function timeFormat(dateTime = null, formatStr = "yyyy-mm-dd hh:MM:ss") {
  let date;
  // 若传入时间为假值，则取当前时间
  if (!dateTime) {
    date = new Date();
  }
  // 若为unix秒时间戳，则转为毫秒时间戳（逻辑有点奇怪，但不敢改，以保证历史兼容）
  else if (/^\d{10}$/.test(dateTime.toString().trim())) {
    date = new Date(dateTime * 1000);
  }
  // 若用户传入字符串格式时间戳，new Date无法解析，需做兼容
  else if (typeof dateTime === "string" && /^\d+$/.test(dateTime.trim())) {
    date = new Date(Number(dateTime));
  }
  // 其他都认为符合 RFC 2822 规范
  else {
    // 处理平台性差异，在Safari/Webkit中，new Date仅支持/作为分割符的字符串时间
    date = new Date(typeof dateTime === "string" ? dateTime.replace(/-/g, "/") : dateTime);
  }

  const timeSource = {
    y: date.getFullYear().toString(), // 年
    m: (date.getMonth() + 1).toString().padStart(2, "0"), // 月
    d: date.getDate().toString().padStart(2, "0"), // 日
    h: date.getHours().toString().padStart(2, "0"), // 时
    M: date.getMinutes().toString().padStart(2, "0"), // 分
    s: date.getSeconds().toString().padStart(2, "0"), // 秒
    // 有其他格式化字符需求可以继续添加，必须转化成字符串
  };

  for (const key in timeSource) {
    const [ret] = new RegExp(`${key}+`).exec(formatStr) || [];
    if (ret) {
      // 年可能只需展示两位
      const beginIndex = key === "y" && ret.length === 2 ? 2 : 0;
      formatStr = formatStr.replace(ret, timeSource[key].slice(beginIndex));
    }
  }

  return formatStr;
}
</script>

<style scoped lang="scss">
.news-rank-list {
  padding: 10px;
}

.list {
  min-height: 700rpx;
}

.news-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: 15px;
  border-bottom: 1px solid #f2f2f2;
  padding-bottom: 10px;
}

.rank-tag {
  width: 30px;
  height: 30px;
  border-radius: 4px;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-right: 10px;
}

.rank-text-top3 {
  font-family: PingFangSC, PingFang SC;
  font-weight: 500;
  font-size: 24rpx;
  color: #ffffff;
  line-height: 33rpx;
  text-shadow: 0px 0px 2px #deb72b;
  text-align: left;
  font-style: normal;

  img {
    width: 33rpx;
    height: 41rpx;
    margin-top: -10rpx;
  }
}

.rank-text {
  font-family: PingFangSC, PingFang SC;
  font-weight: bold;
  font-size: 28rpx;
  color: #e98254;
  margin-top: -20rpx;
}

.news-content {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.news-title {
  font-size: 16px;
  font-weight: bold;
  color: #333;
  margin-bottom: 5px;
  line-height: 1.2;
}

.news-desc {
  font-family: PingFangSC, PingFang SC;
  font-weight: 400;
  font-size: 24rpx;
  color: #333333;
  text-align: left;
  font-style: normal;

  display: -webkit-box;
  /* 设置为WebKit内核的弹性盒子模型 */
  -webkit-box-orient: vertical;
  /* 垂直排列 */
  -webkit-line-clamp: 2;
  /* 限制显示三行 */
  overflow: hidden;
  /* 隐藏超出范围的内容 */
  text-overflow: ellipsis;
  /* 使用省略号 */
}

.news-meta {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: #999;
  margin-top: 10rpx;
}

.source,
.time,
.score {
  // opacity: 0.8;
  font-family: PingFangSC, PingFang SC;
  font-weight: 400;
  font-size: 22rpx;
  color: #999999;
  line-height: 30rpx;
  text-align: left;
  font-style: normal;
}

.time {
  margin-left: 10rpx;
}

.score {
  font-family: PingFangSC, PingFang SC;
  font-weight: 500;
  font-size: 22rpx;
  color: #ffa800;
  line-height: 30rpx;
  text-align: center;
  font-style: normal;
}

.exp_up {
  width: 21rpx;
  height: 20rpx;
}

.r_exp {
  display: flex;
  text-align: center;
  justify-content: center;
  align-items: center;
  gap: 10rpx;
}

.r_r_tags {
  // margin-left: 20rpx;
  width: 85vw;
  overflow-x: scroll;
}

.r_tags {
  display: flex;
  gap: 10rpx;

  .tag {
    font-family: PingFangSC, PingFang SC;
    font-weight: 400;
    font-size: 22rpx;
    color: #3f80fa;

    padding: 5rpx 20rpx;
    border-radius: 10rpx;

    white-space: nowrap;
  }
}
</style>