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| /*
| * @Company: hugeInfo
| * @Author: AI
| * @Date: 2025-04-17 16:30:00
| * @LastEditTime: 2025-04-23 16:41:01
| * @LastEditors: lwh
| * @Version: 1.0.0
| * @Description: 柱状图组件
| */
| import React, { useEffect, useRef } from 'react';
| import * as echarts from 'echarts/core';
| import { BarChart } from 'echarts/charts';
| import { GridComponent, TooltipComponent, LegendComponent } from 'echarts/components';
| import { CanvasRenderer } from 'echarts/renderers';
|
| echarts.use([BarChart, GridComponent, TooltipComponent, LegendComponent, CanvasRenderer]);
|
| /**
| * data: array, // 数据
| * dataAxis: array, // x轴
| * barColor: array, // 柱状图颜色
| * isStacked: boolean, // 是否堆叠柱状图
| */
| const MyChartBar = ({ data = [], dataAxis = [], barColor = ['#5fa6d4', '#1a6fb8'], isStacked = false }) => {
| const chartRef = useRef(null);
| const chartInstance = useRef(null);
|
| useEffect(() => {
| if (chartRef.current) {
| if (!chartInstance.current) {
| chartInstance.current = echarts.init(chartRef.current);
| }
| renderChart();
| }
|
| return () => {
| if (chartInstance.current) {
| chartInstance.current.dispose();
| chartInstance.current = null;
| }
| };
| }, [data, dataAxis, isStacked]);
|
| const renderChart = () => {
| if (!chartInstance.current) return;
|
| let series = [];
| let legendData = [];
|
| if (isStacked) {
| // 堆叠柱状图模式（化解成功和化解不成功）
| series = [
| {
| name: '化解成功',
| type: 'bar',
| stack: 'total',
| barWidth: '40%',
| itemStyle: {
| color: barColor[0]
| },
| emphasis: {
| focus: 'series'
| },
| data: data.map(item => item.resolveNum)
| },
| {
| name: '化解不成功',
| type: 'bar',
| stack: 'total',
| barWidth: '40%',
| itemStyle: {
| color: barColor[1]
| },
| emphasis: {
| focus: 'series'
| },
| data: data.map(item => item.unResolveNum)
| }
| ];
| legendData = ['化解成功', '化解不成功'];
| } else {
| // 普通柱状图模式
| series = [
| {
| name: '数量',
| type: 'bar',
| barWidth: '40%',
| itemStyle: {
| color: new echarts.graphic.LinearGradient(0, 0, 0, 1, [
| {
| offset: 0,
| color: barColor[0]
| },
| {
| offset: 1,
| color: barColor[1]
| }
| ])
| },
| data: data.map(item => item.caseNum)
| }
| ];
| // legendData = ['数量'];
| }
|
| const option = {
| tooltip: {
| trigger: 'axis',
| axisPointer: {
| type: 'shadow'
| },
| formatter: function(params) {
| let result = `${params[0].axisValue}<br/>`;
| params.forEach(item => {
| result += `${item.seriesName}: ${item.value}<br/>`;
| });
| return result;
| }
| },
| legend: {
| data: legendData,
| bottom: 0,
| itemWidth: 10,
| itemHeight: 10
| },
| grid: {
| left: '3%',
| right: '4%',
| bottom: '10%',
| top: '3%',
| containLabel: true
| },
| xAxis: [
| {
| type: 'category',
| data: dataAxis,
| axisTick: {
| alignWithLabel: true
| },
| axisLabel: {
| color: '#666',
| interval: 0,
| rotate: dataAxis.length > 5 ? 40 : 0
| }
| }
| ],
| yAxis: [
| {
| type: 'value',
| axisLine: {
| show: false
| },
| axisTick: {
| show: false
| },
| splitLine: {
| lineStyle: {
| type: 'dashed',
| color: '#eee'
| }
| },
| axisLabel: {
| color: '#666'
| }
| }
| ],
| series: series
| };
|
| chartInstance.current.setOption(option);
| };
|
| return <div ref={chartRef} style={{ width: '100%', height: '100%' }} />;
| };
|
| export default MyChartBar;
|
|
