178 lines
3.3 KiB
Vue
178 lines
3.3 KiB
Vue
<script setup lang="ts">
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import { ref, onMounted } from 'vue';
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import * as echarts from 'echarts';
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const chartRef = ref<HTMLElement | null>(null);
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let chart: echarts.ECharts | null = null;
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// 模拟数据
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const years = ['2022', '2023', '2024', '2025', '2026', '2027'];
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const data = [320, 400, 350, 500, 450, 380];
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const initChart = () => {
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if (!chartRef.value) return;
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chart = echarts.init(chartRef.value);
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const option = {
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grid: {
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top: '15%',
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left: '3%',
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right: '4%',
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bottom: '10%',
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containLabel: true
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},
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tooltip: {
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trigger: 'axis',
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axisPointer: {
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type: 'shadow'
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}
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},
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xAxis: {
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type: 'category',
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data: years,
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axisLine: {
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lineStyle: {
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color: '#E0E0E0'
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}
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},
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axisLabel: {
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color: '#999999'
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}
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},
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yAxis: {
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type: 'value',
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splitLine: {
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lineStyle: {
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type: 'dashed',
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color: '#E0E0E0'
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}
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},
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axisLabel: {
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color: '#999999'
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}
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},
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series: [
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{
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name: '学生人数',
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type: 'line',
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data: data,
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smooth: true,
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showSymbol: true,
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symbolSize: 8,
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itemStyle: {
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color: '#4B96FF'
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},
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areaStyle: {
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color: {
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type: 'linear',
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x: 0,
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y: 0,
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x2: 0,
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y2: 1,
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colorStops: [
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{
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offset: 0,
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color: 'rgba(75, 150, 255, 0.3)'
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},
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{
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offset: 1,
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color: 'rgba(75, 150, 255, 0.1)'
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}
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]
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}
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}
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}
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]
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};
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chart.setOption(option);
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};
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// 监听窗口大小变化，重绘图表
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const handleResize = () => {
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if (chart) {
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chart.resize();
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}
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};
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onMounted(() => {
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initChart();
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window.addEventListener('resize', handleResize);
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});
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// 组件卸载时移除事件监听
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const onUnmounted = () => {
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window.removeEventListener('resize', handleResize);
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if (chart) {
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chart.dispose();
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chart = null;
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}
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};
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// 添加默认导出
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defineComponent({
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name: 'StudentDistribution'
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});
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</script>
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<template>
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<div class="student-distribution">
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<div class="chart-container" ref="chartRef"></div>
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<div class="chart-info">
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<div class="info-item">
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<div class="info-label">总考生数量</div>
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<div class="info-value">24,680</div>
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</div>
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<div class="info-item">
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<div class="info-label">同比增长</div>
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<div class="info-value increase">+12.5%</div>
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</div>
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</div>
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</div>
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</template>
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<style scoped lang="scss">
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.student-distribution {
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width: 100%;
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height: 100%;
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display: flex;
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flex-direction: column;
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}
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.chart-container {
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flex: 1;
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width: 100%;
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}
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.chart-info {
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display: flex;
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justify-content: space-around;
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margin-top: 10px;
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padding: 10px 0;
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.info-item {
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text-align: center;
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.info-label {
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font-size: 14px;
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color: #666;
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margin-bottom: 5px;
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}
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.info-value {
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font-size: 20px;
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font-weight: bold;
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color: #333;
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&.increase {
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color: #52c41a;
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}
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&.decrease {
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color: #f5222d;
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}
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}
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}
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}
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</style> |