vue3实现可视化大屏布局

实现功能:
1 实现4x3宫格布局，
2 自定义设置跨行，跨列自动隐藏对应列，比如setAreaSpanAndUpdateVisibility(2, 3, 2); 表示设置区域2，跨3行，跨2列，然后区域3，6，7，10，11自动隐藏
3 内容自动剧中

1 效果图

代码

<template>
  <div class="visual-root big-data-bg-qjg-v1">
    <div class="top-bar">数据可视化大屏 - 顶部区域</div>
    <div class="grid-area">
      <template v-for="(item, _idx) in gridItems" :key="item.id">
        <div class="grid-cell" v-if="item.visible" :style="getGridStyle(item)">
          <div class="cell-title">
            <div class="title-bg"></div>
            <span>{{ item.id }}-{{ item.title }}</span>
          </div>
          <div
            class="cell-content" 
            :style="getContentSpanStyle(item)"
          >
            <div v-if="item.component === 'ChartCell'">
              <ChartCell></ChartCell>
            </div>
            <div v-else-if="item.component === 'TableCell'">
              <TableCell></TableCell>
            </div>
            <div v-else-if="item.component === 'TextCell'">
              <TextCell></TextCell>
            </div>
          </div>
        </div>
      </template>
    </div>
    <!-- <button class="test-btn" @click="testSpan">测试区域1跨2行2列</button> -->
  </div>
</template>

<script setup lang="ts">
import GridCell from "./components/GridCell.vue.vue";
import ChartCell from "./components/ChartCell.vue";
import TableCell from "./components/TableCell.vue";
import TextCell from "./components/TextCell.vue";
import { onMounted, ref } from "vue";

const gridItems = ref([
  {
    id: 1,
    title: "区域1",
    color: "#4fdcff",
    visible: true,
    row: 1,
    col: 1,
    rowspan: 1,
    colspan: 1,
    component: "ChartCell",
  },
  {
    id: 2,
    title: "区域2",
    color: "#ffe066",
    visible: true,
    row: 1,
    col: 2,
    rowspan: 1,
    colspan: 1,
    component: "TableCell",
  },
  {
    id: 3,
    title: "区域3",
    color: "#ff8c66",
    visible: true,
    row: 1,
    col: 3,
    rowspan: 1,
    colspan: 1,
    component: "TextCell",
  },
  {
    id: 4,
    title: "区域4",
    color: "#6fff8f",
    visible: true,
    row: 1,
    col: 4,
    rowspan: 1,
    colspan: 1,
    component: "TextCell",
  },
  {
    id: 5,
    title: "区域5",
    color: "#a066ff",
    visible: true,
    row: 2,
    col: 1,
    rowspan: 1,
    colspan: 1,
    component: "TextCell",
  },
  {
    id: 6,
    title: "区域6",
    color: "#ff66c4",
    visible: true,
    row: 2,
    col: 2,
    rowspan: 1,
    colspan: 1,
    component: "TextCell",
  },
  {
    id: 7,
    title: "区域7",
    color: "#66e0ff",
    visible: true,
    row: 2,
    col: 3,
    rowspan: 1,
    colspan: 1,
    component: "TextCell",
  },
  {
    id: 8,
    title: "区域8",
    color: "#ffb366",
    visible: true,
    row: 2,
    col: 4,
    rowspan: 1,
    colspan: 1,
    component: "TextCell",
  },
  {
    id: 9,
    title: "区域9",
    color: "#b3ff66",
    visible: true,
    row: 3,
    col: 1,
    rowspan: 1,
    colspan: 1,
    component: "TextCell",
  },
  {
    id: 10,
    title: "区域10",
    color: "#ff6666",
    visible: true,
    row: 3,
    col: 2,
    rowspan: 1,
    colspan: 1,
    component: "TextCell",
  },
  {
    id: 11,
    title: "区域11",
    color: "#66ffb3",
    visible: true,
    row: 3,
    col: 3,
    rowspan: 1,
    colspan: 1,
    component: "TextCell",
  },
  {
    id: 12,
    title: "区域12",
    color: "#668cff",
    visible: true,
    row: 3,
    col: 4,
    rowspan: 1,
    colspan: 1,
    component: "TextCell",
  },
]);



function setAreaSpanAndUpdateVisibility(
  areaId: number,
  rowspan: number,
  colspan: number,
) {
  const area = gridItems.value.find((item) => item.id === areaId);
  if (!area) return;
  area.rowspan = rowspan;
  area.colspan = colspan;
  // gridItems.value.forEach(item => { item.visible = true })
  for (let r = 0; r < rowspan; r++) {
    for (let c = 0; c < colspan; c++) {
      if (r === 0 && c === 0) continue;
      const coverRow = area.row + r;
      const coverCol = area.col + c;
      const coveredItem = gridItems.value.find(
        (item) => item.row === coverRow && item.col === coverCol,
      );
      if (coveredItem) coveredItem.visible = false;
    }
  }
}

function getGridStyle(item: any) {
  return {
    gridRow: `${item.row} / span ${item.rowspan || 1}`,
    gridColumn: `${item.col} / span ${item.colspan || 1}`,
    background: item.color,
  };
}
function getContentSpanStyle(item: any) {
  return;
  const style: any = {};
  if (item.rowspan > 1)
    style.height = `calc(100% * ${item.rowspan} + ${
      (item.rowspan - 1) * 18
    }px)`;
  if (item.colspan > 1)
    style.width = `calc(100% * ${item.colspan} + ${(item.colspan - 1) * 18}px)`;
  return style;
}

onMounted(() => {
  setAreaSpanAndUpdateVisibility(2, 3, 2);
});
</script>

<style scoped>
.visual-root {
  width: 100vw;
  height: 100vh;
  min-width: 800px;
  min-height: 600px;
  background: linear-gradient(120deg, rgba(10, 26, 42, 0.8) 60%, rgba(24, 60, 90, 0.8) 100%), url('@/assets/imgs/background.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  overflow: hidden;
  font-family: "Microsoft YaHei", Arial, sans-serif;
  color: #fff;
  display: flex;
  flex-direction: column;
}
.top-bar {
  width: 100%;
  height: 100px;
  background: linear-gradient(90deg, #1e2a3a 60%, #223c5a 100%);
  color: #4fdcff;
  font-size: 36px;
  font-weight: bold;
  letter-spacing: 8px;
  text-align: center;
  line-height: 100px;
  box-shadow: 0 2px 12px #0008;
  z-index: 10;
  flex-shrink: 0;
}
.grid-area {
  flex: 1;
  width: 100%;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(3, 1fr);
  gap: 18px;
  padding: 28px 32px 32px 32px;
  box-sizing: border-box;
  align-items: stretch;
  justify-items: stretch;
}
.grid-cell {
  border-radius: 18px;
  box-shadow: 0 0 18px #0004;
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  position: relative;
  transition: box-shadow 0.2s;
  background: var(--cell-color, #4fdcff);
}
.grid-cell:hover {
  box-shadow:
    0 0 32px #fff8,
    0 2px 12px #0008;
  z-index: 2;
}
.cell-title {
  position: relative;
  font-size: 22px;
  font-weight: bold;
  padding: 0;
  color: #fff;
  text-shadow: 0 0 8px #000a;
  height: 48px;
  display: flex;
  align-items: center;
  z-index: 1;
}
.cell-title .title-bg {
  position: absolute;
  left: 0;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: 0;
  background:
    url("https://img.alicdn.com/imgextra/i2/O1CN01Qw6QwB1wQw6QwB1wQw6QwB1wQw.png")
      no-repeat center/cover,
    linear-gradient(90deg, #0008 0%, #fff2 100%);
  opacity: 0.18;
  border-bottom: 2px solid #fff2;
  border-radius: 0 0 16px 16px;
}
.cell-title span {
  position: relative;
  z-index: 1;
  padding: 0 18px;
  line-height: 48px;
}
.cell-content {
   flex: 1;
  padding: 18px;
  overflow: auto;
  font-size: 18px;
  color: #fff;
  background: rgba(0, 0, 0, 0.04);
  transition: width 0.3s, height 0.3s;
  display: flex;
  align-items: center;
  justify-content: center;
}
.cell-content-hide {
  display: none;
}
</style>