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@ -1,5 +1,9 @@ |
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<template> |
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<template> |
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<div ref="chartContainer" class="KlineClass"></div> |
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<div ref="chartContainer" class="KlineClass"> |
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<div v-if="!hasValidData" class="no-data-message"> |
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<p>暂无K线数据</p> |
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</div> |
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</div> |
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</template> |
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</template> |
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<script setup> |
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<script setup> |
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@ -17,87 +21,166 @@ const props = defineProps({ |
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const chartContainer = ref() // 容器引用 |
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const chartContainer = ref() // 容器引用 |
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const chartInstance = ref(null) // 当前图表实例 |
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const chartInstance = ref(null) // 当前图表实例 |
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const hasValidData = ref(false) // 是否有有效数据 |
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const chartOptions = ref(null) // 保存当前配置 |
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// 检查数据是否有效 |
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const checkDataValid = (data) => { |
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return data && |
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data.Kline && |
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Array.isArray(data.Kline) && |
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data.Kline.length > 0 && |
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data.Kline.every(item => |
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Array.isArray(item) && |
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item.length >= 5 && |
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!isNaN(Number(item[1])) && |
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!isNaN(Number(item[2])) && |
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!isNaN(Number(item[3])) && |
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!isNaN(Number(item[4])) |
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); |
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} |
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// 监听传入的数据变化 |
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// 监听传入的数据变化 |
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watch( |
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watch( |
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() => props.chartData, |
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() => props.chartData, |
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(newValue) => { |
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(newValue) => { |
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console.log('KLine组件收到数据:', newValue) |
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console.log('KLine组件收到数据:', newValue) |
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if (newValue) { |
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// 使用数据验证函数检查 |
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const isValid = checkDataValid(newValue); |
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hasValidData.value = isValid; |
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if (isValid) { |
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nextTick(() => { |
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nextTick(() => { |
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// 仅当容器存在且没有初始化过图表时创建 |
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if (chartContainer.value && !chartInstance.value) { |
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chartInstance.value = echarts.init(chartContainer.value) |
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// 使用深拷贝防止数据被修改 |
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const instanceData = JSON.parse(JSON.stringify(newValue)) |
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KlineCanvsEcharts(instanceData, chartInstance.value) |
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try { |
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// 仅当容器存在且没有初始化过图表时创建 |
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if (chartContainer.value && !chartInstance.value) { |
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// 使用try-catch捕获图表初始化和数据处理过程中的错误 |
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chartInstance.value = echarts.init(chartContainer.value) |
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// 使用深拷贝防止数据被修改 |
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const instanceData = JSON.parse(JSON.stringify(newValue)) |
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KlineCanvsEcharts(instanceData, chartInstance.value) |
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} |
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} catch (error) { |
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console.error('初始化K线图表时出错:', error) |
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hasValidData.value = false; |
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} |
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} |
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}) |
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}) |
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} else { |
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console.error('无效的K线数据格式:', newValue) |
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} |
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} |
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}, |
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}, |
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{ immediate: true } |
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{ immediate: true } |
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) |
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) |
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function KlineCanvsEcharts(datatok, instance) { |
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function KlineCanvsEcharts(datatok, instance) { |
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console.log('传入的K线数据:', datatok); |
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// 更严格的数据验证 |
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if (!datatok) { |
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console.error('K线数据为空'); |
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return; |
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} |
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if (!datatok.Kline) { |
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console.error('K线数据中没有Kline属性:', datatok); |
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return; |
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} |
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if (!Array.isArray(datatok.Kline)) { |
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console.error('Kline数据不是数组:', typeof datatok.Kline); |
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return; |
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} |
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if (datatok.Kline.length === 0) { |
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console.error('Kline数组为空'); |
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return; |
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} |
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// 验证数组中的每个元素是否符合要求 |
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const isValidKlineItem = datatok.Kline.every(item => |
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Array.isArray(item) && item.length >= 5 && |
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!isNaN(Number(item[1])) && !isNaN(Number(item[2])) && |
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!isNaN(Number(item[3])) && !isNaN(Number(item[4])) |
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); |
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if (!isValidKlineItem) { |
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console.error('Kline数据格式不正确, 期望格式: [[date, open, close, low, high], ...]'); |
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console.error('实际数据样例:', datatok.Kline[0]); |
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return; |
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} |
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// 切割数据方法 |
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// 切割数据方法 |
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const data = datatok.Kline |
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const data = datatok.Kline; |
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const spliteDate = (a) => { |
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const spliteDate = (a) => { |
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const categoryData = [] |
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let value = [] |
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for (let i = 0; i < a.length; i++) { |
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categoryData.push(a[i][0]) |
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value.push([a[i][1], a[i][2], a[i][3], a[i][4]]) |
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const categoryData = []; |
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let value = []; |
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try { |
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for (let i = 0; i < a.length; i++) { |
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// 确保每个数据项都是有效的 |
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if (Array.isArray(a[i]) && a[i].length >= 5) { |
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categoryData.push(a[i][0]); |
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// 确保转换为数字类型 |
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value.push([ |
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Number(a[i][1]), |
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Number(a[i][2]), |
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Number(a[i][3]), |
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Number(a[i][4]) |
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]); |
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} |
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} |
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} catch (error) { |
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console.error('处理K线数据时出错:', error); |
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return { categoryData: [], value: [] }; |
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} |
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} |
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return { categoryData, value } |
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} |
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const dealData = spliteDate(data) |
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return { categoryData, value }; |
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}; |
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const dealData = spliteDate(data); |
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console.log('处理后的K线数据:', dealData) |
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console.log('处理后的K线数据:', dealData); |
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if (dealData.value.length === 0 || dealData.categoryData.length === 0) { |
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if (dealData.value.length === 0 || dealData.categoryData.length === 0) { |
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console.error('空数据,无法渲染图表') |
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return |
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console.error('空数据,无法渲染图表'); |
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return; |
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} |
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} |
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// 给配置项 |
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// 给配置项 |
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const KlineOption = { |
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const KlineOption = { |
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title: { |
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title: { |
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text: datatok.name, |
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text: datatok.name || '股票K线图', |
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top: 20, |
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top: 20, |
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left: 20 |
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left: 20 |
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}, |
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}, |
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tooltip: { |
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tooltip: { |
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trigger: 'axis', // 触发类型 坐标轴触发 |
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// 调用接口之后方法 |
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formatter: function (a, b, d) { |
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let def = |
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a[0].name + |
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'<br/>' + |
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'开盘价' + |
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a[0].data[1] + |
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'<br/>' + |
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'收盘价' + |
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a[0].data[2] + |
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'<br/>' + |
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'最低价' + |
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a[0].data[3] + |
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'<br/>' + |
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'最高价' + |
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a[0].data[4] |
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// 判断a[1]是否存在 |
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if (a[1] && a[1].seriesName) { |
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def += '<br/>' + a[1].seriesName + ':' + a[1].value |
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} |
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return def |
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trigger: 'axis', |
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show: true, |
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formatter: function (params) { |
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if (!params || params.length === 0) return ''; |
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const param = params[0]; |
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return ` |
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<div style="font-weight:bold;margin-bottom:5px">${param.name}</div> |
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<div style="margin:3px 0">开盘价: ${param.data[1]}</div> |
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<div style="margin:3px 0">收盘价: ${param.data[2]}</div> |
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<div style="margin:3px 0">最低价: ${param.data[3]}</div> |
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<div style="margin:3px 0">最高价: ${param.data[4]}</div> |
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${params[1] && params[1].value !== '-' ? '<div style="margin:3px 0">MA5: ' + params[1].value + '</div>' : ''} |
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`; |
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}, |
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}, |
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// 鼠标放上去出现的数据展示 |
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axisPointer: { |
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axisPointer: { |
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animation: false, |
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animation: false, |
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type: 'line', |
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linestyle: { |
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type: 'cross', |
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lineStyle: { |
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color: '#376df4', |
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color: '#376df4', |
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width: 2, |
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width: 2, |
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opacity: 1 |
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opacity: 1 |
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} |
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} |
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}, |
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confine: true, |
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backgroundColor: 'rgba(255, 255, 255, 0.95)', |
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borderColor: '#ccc', |
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borderWidth: 1, |
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padding: 10, |
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textStyle: { |
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color: '#333' |
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} |
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} |
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}, |
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}, |
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// 横坐标内容 |
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// 横坐标内容 |
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@ -108,11 +191,10 @@ function KlineCanvsEcharts(datatok, instance) { |
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}, |
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}, |
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//控制坐标轴 |
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//控制坐标轴 |
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grid: { |
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grid: { |
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left: '3%', |
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right: '3%', |
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left: '12%', |
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right: '10%', |
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bottom: '10%', |
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bottom: '10%', |
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top: '15%', |
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containLabel: true // 添加此项确保标签显示 |
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top: '18%' |
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}, |
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}, |
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yAxis: { |
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yAxis: { |
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scale: !0, //true |
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scale: !0, //true |
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@ -202,27 +284,139 @@ function KlineCanvsEcharts(datatok, instance) { |
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} |
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} |
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// 应用配置到图表实例 |
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// 应用配置到图表实例 |
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instance.setOption(KlineOption) |
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instance.setOption(KlineOption, true); |
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// 保存配置到ref,供暴露的方法使用 |
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chartOptions.value = KlineOption; |
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// 绑定点击事件 |
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instance.on('click', function(params) { |
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console.log('图表点击事件:', params); |
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if (params.componentType === 'series') { |
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const date = params.name; |
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const data = params.data; |
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if (Array.isArray(data) && data.length >= 5) { |
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console.log(`点击了 ${date} 的K线数据: 开盘${data[1]}, 收盘${data[2]}, 最低${data[3]}, 最高${data[4]}`); |
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// 在实际使用中可以替换为更友好的交互方式,如显示详细信息面板 |
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} |
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} |
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}); |
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// 添加更多事件监听 |
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instance.on('datazoom', function(params) { |
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console.log('图表缩放事件:', params); |
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// 可以在这里处理缩放事件,如记录当前缩放状态等 |
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}); |
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instance.on('legendselectchanged', function(params) { |
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console.log('图例选择变化:', params); |
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}); |
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// 绑定窗口resize事件 |
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// 绑定窗口resize事件 |
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window.addEventListener('resize', () => { |
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instance.resize() |
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}) |
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const resizeHandler = () => { |
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if (instance) { |
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instance.resize(); |
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} |
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}; |
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window.addEventListener('resize', resizeHandler); |
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// 返回清理函数供组件卸载时使用 |
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return () => { |
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window.removeEventListener('resize', resizeHandler); |
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instance.off('click'); |
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instance.off('datazoom'); |
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instance.off('legendselectchanged'); |
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}; |
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} |
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} |
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// 组件卸载时清理资源 |
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// 组件卸载时清理资源 |
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onUnmounted(() => { |
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onUnmounted(() => { |
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if (chartInstance.value) { |
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if (chartInstance.value) { |
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chartInstance.value.dispose() |
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chartInstance.value = null |
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// 移除所有事件监听 |
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chartInstance.value.off('click'); |
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chartInstance.value.off('datazoom'); |
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chartInstance.value.off('legendselectchanged'); |
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// 销毁图表实例 |
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chartInstance.value.dispose(); |
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chartInstance.value = null; |
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} |
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} |
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// 移除resize监听 |
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window.removeEventListener('resize', () => {}) |
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|
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}) |
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}) |
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onMounted(() => { |
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onMounted(() => { |
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console.log('KLine组件挂载完成') |
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console.log('KLine组件挂载完成') |
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}) |
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}) |
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// 对外暴露方法,允许父组件访问图表实例和方法 |
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defineExpose({ |
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getChartInstance: () => chartInstance.value, |
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getOptions: () => chartOptions.value, |
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resize: () => { |
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if (chartInstance.value) { |
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chartInstance.value.resize() |
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} |
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}, |
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// 缩放到指定日期范围 |
|
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|
zoomToDateRange: (startDate, endDate) => { |
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|
if (!chartInstance.value || !chartOptions.value) return; |
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const categoryData = chartOptions.value.xAxis[0].data; |
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if (!Array.isArray(categoryData)) return; |
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const startIndex = categoryData.findIndex(date => date >= startDate); |
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|
const endIndex = categoryData.findIndex(date => date >= endDate); |
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|
|
if (startIndex === -1 || endIndex === -1) return; |
|
|
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|
|
// 计算百分比 |
|
|
|
|
|
const total = categoryData.length; |
|
|
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|
|
const start = (startIndex / total) * 100; |
|
|
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|
|
const end = (endIndex / total) * 100; |
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|
|
|
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|
|
// 应用缩放 |
|
|
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|
|
chartInstance.value.dispatchAction({ |
|
|
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|
|
type: 'dataZoom', |
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|
|
start: start, |
|
|
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|
|
end: end |
|
|
|
|
|
}); |
|
|
|
|
|
}, |
|
|
|
|
|
// 高亮特定日期的K线 |
|
|
|
|
|
highlightDate: (date) => { |
|
|
|
|
|
if (!chartInstance.value || !chartOptions.value) return; |
|
|
|
|
|
|
|
|
|
|
|
const categoryData = chartOptions.value.xAxis[0].data; |
|
|
|
|
|
if (!Array.isArray(categoryData)) return; |
|
|
|
|
|
|
|
|
|
|
|
const index = categoryData.findIndex(d => d === date); |
|
|
|
|
|
if (index !== -1) { |
|
|
|
|
|
chartInstance.value.dispatchAction({ |
|
|
|
|
|
type: 'highlight', |
|
|
|
|
|
seriesIndex: 0, |
|
|
|
|
|
dataIndex: index |
|
|
|
|
|
}); |
|
|
|
|
|
|
|
|
|
|
|
// 同时显示tooltip |
|
|
|
|
|
chartInstance.value.dispatchAction({ |
|
|
|
|
|
type: 'showTip', |
|
|
|
|
|
seriesIndex: 0, |
|
|
|
|
|
dataIndex: index |
|
|
|
|
|
}); |
|
|
|
|
|
} |
|
|
|
|
|
}, |
|
|
|
|
|
// 清除高亮 |
|
|
|
|
|
clearHighlight: () => { |
|
|
|
|
|
if (chartInstance.value) { |
|
|
|
|
|
chartInstance.value.dispatchAction({ |
|
|
|
|
|
type: 'downplay' |
|
|
|
|
|
}); |
|
|
|
|
|
|
|
|
|
|
|
chartInstance.value.dispatchAction({ |
|
|
|
|
|
type: 'hideTip' |
|
|
|
|
|
}); |
|
|
|
|
|
} |
|
|
|
|
|
} |
|
|
|
|
|
}) |
|
|
</script> |
|
|
</script> |
|
|
|
|
|
|
|
|
<style scoped> |
|
|
<style scoped> |
|
@ -231,5 +425,35 @@ onMounted(() => { |
|
|
width: 100%; |
|
|
width: 100%; |
|
|
min-height: 400px; |
|
|
min-height: 400px; |
|
|
height: 100%; |
|
|
height: 100%; |
|
|
|
|
|
background-color: #fff; |
|
|
|
|
|
border-radius: 8px; |
|
|
|
|
|
box-shadow: 0 2px 12px 0 rgba(0, 0, 0, 0.1); |
|
|
|
|
|
padding: 10px; |
|
|
|
|
|
margin-bottom: 20px; |
|
|
|
|
|
overflow: visible !important; |
|
|
|
|
|
/* 确保dataZoom可见 */ |
|
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
.no-data-message { |
|
|
|
|
|
display: flex; |
|
|
|
|
|
justify-content: center; |
|
|
|
|
|
align-items: center; |
|
|
|
|
|
height: 100%; |
|
|
|
|
|
width: 100%; |
|
|
|
|
|
position: absolute; |
|
|
|
|
|
top: 0; |
|
|
|
|
|
left: 0; |
|
|
|
|
|
background-color: rgba(255, 255, 255, 0.9); |
|
|
|
|
|
border-radius: 8px; |
|
|
|
|
|
font-size: 16px; |
|
|
|
|
|
color: #909399; |
|
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
/* 确保图表容器在移动设备上也有足够的空间 */ |
|
|
|
|
|
@media (max-width: 768px) { |
|
|
|
|
|
.KlineClass { |
|
|
|
|
|
min-height: 450px; |
|
|
|
|
|
/* 给移动设备增加额外高度确保dataZoom可见 */ |
|
|
|
|
|
} |
|
|
} |
|
|
} |
|
|
</style> |
|
|
</style> |