frontend/src/views/pictureRotation/index.vue

<template>
  <div class="picRotation">
    <div class="picHead">
      <div class="pageNation">
        <el-pagination
          @size-change="handleSizeChange"
          @current-change="handleCurrentChange"
          :current-page="page"
          :page-size="pageSize"
          layout=" prev, pager, next, jumper,total"
          :total="total"
        >
        </el-pagination>
      </div>
      <div class="buttonGroup">
        <el-button type="primary" @click="toggleCountdown">{{
          isRuning ? "暂停轮巡" : "开始轮巡"
        }}</el-button>
        <el-button type="primary">设置</el-button>
        <el-button type="primary">轮询条件</el-button>
        <el-select v-model="value" placeholder="请选择">
          <el-option
            v-for="item in options"
            :key="item.value"
            :label="item.label"
            :value="item.value"
          >
          </el-option>
        </el-select>
        <span class="info">
          <b> {{ isRuning ? remainingTime : "已暂停" }} </b>
        </span>
      </div>
    </div>
    <div class="imageCenter">
      <div class="imgList" v-for="(item, index) in picList" :key="index">
        <img :src="item.path" />
        <p class="infoTop">
          {{ item.channelId }}-{{ item.termId }}-{{ item.fileSize }}
        </p>
        <p class="infoBottom">{{ item.photoTime }}</p>
      </div>
    </div>
  </div>
</template>
<script>
//import { picLoop } from "@/utils/api/index";
import qs from "qs";
export default {
  data() {
    return {
      options: [
        {
          value: "选项1",
          label: "顺序",
        },
        {
          value: "选项2",
          label: "倒序",
        },
      ],
      value: "选项1",
      page: 1, // 当前页数
      pageSize: 4, // 每页数量
      totalPage: 0, //总页数
      total: 0, //总条数
      picList: [], //图片列表数据
      basUrl: "",
      totalTime: 15, //总共倒计时时间
      remainingTime: 15, //剩余时间
      isRuning: false,
      timer: null,
    };
  },
  methods: {
    handleSizeChange(val) {
      console.log(`每页 ${val} 条`);
    },
    handleCurrentChange(val) {
      console.log(`当前页: ${val}`);
      this.isRuning = false;
      this.pauseCountdown();
      this.page = val;
      this.getPicData();
    },
    //请求数据接口方法
    getPicData() {
      this.picList = [
        {
          id: 15,
          termId: 10010,
          channelId: 1,
          presetId: 255,
          width: 0,
          height: 0,
          fileSize: 265357,
          photoTime: "2023-05-05T17:21:04.000+00:00",
          recvTime: null,
          path: "http://47.96.238.157/photos/2023/05/06/64/XYIGQ10C221000064_1_FF_20230506012104.jpg",
          manualRequest: 0,
        },
        {
          id: 16,
          termId: 10010,
          channelId: 1,
          presetId: 255,
          width: 0,
          height: 0,
          fileSize: 263597,
          photoTime: "2023-05-05T17:21:49.000+00:00",
          recvTime: null,
          path: "http://47.96.238.157/photos/2023/05/06/64/XYIGQ10C221000064_1_FF_20230506012149.jpg",
          manualRequest: 0,
        },
        {
          id: 17,
          termId: 10010,
          channelId: 1,
          presetId: 255,
          width: 0,
          height: 0,
          fileSize: 265471,
          photoTime: "2023-05-05T17:25:13.000+00:00",
          recvTime: null,
          path: "http://47.96.238.157/photos/2023/05/06/64/XYIGQ10C221000064_1_FF_20230506012513.jpg",
          manualRequest: 0,
        },
        {
          id: 18,
          termId: 10010,
          channelId: 1,
          presetId: 255,
          width: 0,
          height: 0,
          fileSize: 263625,
          photoTime: "2023-05-05T17:36:37.000+00:00",
          recvTime: null,
          path: "http://47.96.238.157/photos/2023/05/06/64/XYIGQ10C221000064_1_FF_20230506013617.jpg",
          manualRequest: 0,
        },
        {
          id: 19,
          termId: 10010,
          channelId: 1,
          presetId: 255,
          width: 0,
          height: 0,
          fileSize: 261572,
          photoTime: "2023-05-05T17:37:14.000+00:00",
          recvTime: null,
          path: "http://47.96.238.157/photos/2023/05/06/64/XYIGQ10C221000064_1_FF_20230506013654.jpg",
          manualRequest: 0,
        },
        {
          id: 22,
          termId: 10010,
          channelId: 1,
          presetId: 255,
          width: 0,
          height: 0,
          fileSize: 264348,
          photoTime: "2023-05-05T17:40:06.000+00:00",
          recvTime: null,
          path: "http://47.96.238.157/photos/2023/05/06/64/XYIGQ10C221000064_1_FF_20230506013946.jpg",
          manualRequest: 0,
        },
        {
          id: 23,
          termId: 10010,
          channelId: 1,
          presetId: 255,
          width: 0,
          height: 0,
          fileSize: 262231,
          photoTime: "2023-05-05T17:42:33.000+00:00",
          recvTime: null,
          path: "http://47.96.238.157/photos/2023/05/06/64/XYIGQ10C221000064_1_FF_20230506014213.jpg",
          manualRequest: 0,
        },
        {
          id: 24,
          termId: 10010,
          channelId: 1,
          presetId: 255,
          width: 0,
          height: 0,
          fileSize: 262564,
          photoTime: "2023-05-05T17:43:11.000+00:00",
          recvTime: null,
          path: "http://47.96.238.157/photos/2023/05/06/64/XYIGQ10C221000064_1_FF_20230506014252.jpg",
          manualRequest: 0,
        },
        {
          id: 26,
          termId: 10010,
          channelId: 2,
          presetId: 255,
          width: 0,
          height: 0,
          fileSize: 177557,
          photoTime: "2023-05-05T17:46:23.000+00:00",
          recvTime: null,
          path: "http://47.96.238.157/photos/2023/05/06/64/XYIGQ10C221000064_2_FF_20230506014604.jpg",
          manualRequest: 0,
        },
        {
          id: 37,
          termId: 10010,
          channelId: 2,
          presetId: 255,
          width: 0,
          height: 0,
          fileSize: 219467,
          photoTime: "2023-05-05T17:47:31.000+00:00",
          recvTime: null,
          path: "http://47.96.238.157/photos/2023/05/06/64/XYIGQ10C221000064_2_FF_20230506014711.jpg",
          manualRequest: 0,
        },
        {
          id: 89,
          termId: 10010,
          channelId: 2,
          presetId: 255,
          width: 0,
          height: 0,
          fileSize: 257854,
          photoTime: "2023-05-06T00:54:07.000+00:00",
          recvTime: null,
          path: "http://47.96.238.157/photos/2023/05/06/64/XYIGQ10C221000064_2_FF_20230506085401.jpg",
          manualRequest: 0,
        },
      ];
    },

    //开始轮巡
    startCountdown() {
      this.timer = setInterval(() => {
        if (this.remainingTime <= 0) {
          //等于0时  清除定时器，剩余时间等于总时间，从新执行当前轮巡函数
          clearInterval(this.timer);
          this.remainingTime = this.totalTime;
          this.startCountdown();
          this.page++;
          this.getPicData();
          console.log(this.page);
          if (this.page > this.totalPage) {
            clearInterval(this.timer);
            //alert("最后一页了");
            this.page = 1;
            this.startCountdown();
            this.getPicData();
          }
        } else {
          this.remainingTime--;
        }
      }, 1000);
    },

    //暂停轮巡
    pauseCountdown() {
      clearInterval(this.timer); //清除定时器
    },
    //根据isRuning执行开始暂停操作
    toggleCountdown() {
      if (this.isRuning) {
        this.pauseCountdown();
      } else {
        this.startCountdown();
        this.getPicData();
      }
      this.isRuning = !this.isRuning;
    },
  },
  computed: {},
  mounted() {
    //this.toggleCountdown();
  },
  created() {},

  beforeDestroy() {
    console.log("销毁定时器");
    clearInterval(this.timer);
    this.timer = null;
  },
};
</script>
<style lang="less">
.picRotation {
  width: calc(100% - 32px);
  height: calc(100% - 32px);
  padding: 16px 16px;
  background: #ffffff;
  .picHead {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0px 0px 8px 0px;
    .buttonGroup {
      display: flex;
      .el-select {
        margin-left: 10px;
        width: 100px;
      }
      .info {
        width: 80px;
        text-align: center;
        margin-left: 16px;
        line-height: 32px;
        b {
          font-size: 24px;
          font-weight: normal;
          color: @color-success;
          vertical-align: middle;
        }
      }
    }
  }

  .imageCenter {
    display: flex;
    // justify-content: space-around;
    flex-wrap: wrap;
    height: calc(100% - 52px);
    .imgList {
      width: 49.4%;
      position: relative;
      display: inline-block;
      margin-right: 0.25%;
      margin-left: 0.25%;
      margin-top: 0.3%;
      position: relative;
      -moz-border-radius: 3px;
      -webkit-border-radius: 3px;
      border-radius: 3px px;
      height: 49%;

      img {
        width: 100%;
        height: 100%;
      }
      .infoTop {
        position: absolute;
        bottom: 28px;
        left: 0px;
        font-size: 15px;
        background-color: #3a87ad !important;
        color: @color-white;
        font-weight: normal;
        margin-top: 2px;
        padding-left: 5px;
        padding-right: 5px;
      }
      .infoBottom {
        position: absolute;
        bottom: 4px;
        color: @color-white;
        left: 0px;
        font-size: 15px;
        background-color: #51b17c !important;
        font-weight: normal;
        margin-top: 2px;
        padding-left: 5px;
        padding-right: 5px;
      }
    }
  }
}
</style>