ECharts 및 Java 인터페이스를 사용하여 다중 채널 데이터 비교를 위한 통계 차트 디자인 구현

private Integer id; // 销售记录ID
private String channelName; // 渠道名称
private Date salesDate; // 销售日期
private BigDecimal salesAmount; // 销售金额

// 省略getters和setters方法

/**
 * 查询不同渠道的销售数据
 * @param startDate 开始日期
 * @param endDate 结束日期
 * @return 销售数据列表
 */
List<ChannelSales> selectByDate(@Param("startDate") Date startDate,
                                @Param("endDate") Date endDate);

@Autowired
private ChannelSalesMapper channelSalesMapper;

/**
 * 查询不同渠道的销售数据
 * @param startDate 开始日期
 * @param endDate 结束日期
 * @return 销售数据列表
 */
@Override
public List<ChannelSales> getSalesData(Date startDate, Date endDate) {
    return channelSalesMapper.selectByDate(startDate, endDate);
}

startDate: '2021-01-01',
endDate: '2021-12-31'

var range = $('#date-range').data('daterangepicker');

// 发送Ajax请求
$.ajax({
    type: 'GET',
    url: '/api/sales-data',
    data: {
        startDate: range.startDate.format('YYYY-MM-DD'),
        endDate: range.endDate.format('YYYY-MM-DD')
    },
    success: function(result) {
        // 处理查询结果
        drawChart(result.data);
    }
});

@Autowired
private ChannelSalesService channelSalesService;

/**
 * 获取不同渠道的销售数据
 * @param startDate 开始日期
 * @param endDate 结束日期
 * @return 查询结果
 */
@GetMapping("/sales-data")
public Result getSalesData(@RequestParam("startDate")
                                   @DateTimeFormat(pattern = "yyyy-MM-dd") Date startDate,
                           @RequestParam("endDate")
                                   @DateTimeFormat(pattern = "yyyy-MM-dd") Date endDate) {
    List<ChannelSales> salesData = channelSalesService.getSalesData(startDate, endDate);
    return Result.success(salesData);
}

// 构造销售数据
var salesData = [];
var totalAmount = 0;
data.forEach(function(item) {
    salesData.push({
        name: item.channelName,
        value: item.salesAmount
    });
    totalAmount += item.salesAmount;
});

// 绘制饼图
var pieChart = echarts.init(document.getElementById('chart-1'));
var pieOption = {
    title: {
        text: '不同渠道销售占比',
        left: 'center'
    },
    tooltip: {
        trigger: 'item',
        formatter: '{a} <br/>{b} : {c} ({d}%)'
    },
    series: [
        {
            name: '渠道',
            type: 'pie',
            radius: '60%',
            data: salesData.sort(function(a, b) {
                return a.value - b.value;
            }),
            itemStyle: {
                normal: {
                    shadowBlur: 10,
                    shadowOffsetX: 0,
                    shadowColor: 'rgba(0, 0, 0, 0.5)'
                }
            },
            label: {
                formatter: '{b} ({d}%)'
            }
        }
    ]
};
pieChart.setOption(pieOption);

// 构造销售数据
var salesData = [];
data.forEach(function(item) {
    salesData.push({
        name: item.channelName,
        value: item.salesAmount
    });
});
salesData.sort(function(a, b) {
    return b.value - a.value;
});

// 绘制柱状图
var barChart = echarts.init(document.getElementById('chart-2'));
var barOption = {
    title: {
        text: '不同渠道销售排名',
        left: 'center'
    },
    tooltip: {
        trigger: 'axis',
        axisPointer: {
            type: 'shadow'
        },
        formatter: '{b}: {c} 元'
    },
    xAxis: {
        type: 'category',
        data: salesData.map(function(item) {
            return item.name;
        }),
        axisLabel: {
            interval: 0,
            rotate: 45
        }
    },
    yAxis: {
        type: 'value'
    },
    series: [
        {
            name: '销售额',
            type: 'bar',
            data: salesData.map(function(item) {
                return item.value;
            }),
            itemStyle: {
                normal: {
                    color: function(params) {
                        var colorList = [
                            '#c23531', '#2f4554', '#61a0a8', '#d48265', '#91c7ae',
                            '#749f83', '#ca8622', '#bda29a', '#6e7074', '#546570'
                        ];
                        return colorList[params.dataIndex % colorList.length];
                    }
                }
            }
        }
    ]
};
barChart.setOption(barOption);