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src/services/financialService.js
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399
src/services/financialService.js
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// src/services/financialService.js
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/**
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* 完整的财务数据服务层
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* 对应Flask后端的所有财务API接口
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*/
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const isProduction = process.env.NODE_ENV === 'production';
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const API_BASE_URL = isProduction ? "" : process.env.REACT_APP_API_URL;
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const apiRequest = async (url, options = {}) => {
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try {
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console.log(`Making Financial API request to: ${API_BASE_URL}${url}`);
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const response = await fetch(`${API_BASE_URL}${url}`, {
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...options,
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headers: {
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'Content-Type': 'application/json',
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...options.headers,
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},
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credentials: 'include', // 包含 cookies，以便后端识别登录状态
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});
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if (!response.ok) {
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const errorText = await response.text();
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console.error(`Financial API request failed: ${response.status} - ${errorText}`);
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throw new Error(`HTTP error! status: ${response.status}`);
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}
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const data = await response.json();
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console.log(`Financial API response from ${url}:`, data);
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return data;
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} catch (error) {
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console.error(`Financial API request failed for ${url}:`, error);
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throw error;
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}
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};
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export const financialService = {
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/**
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* 获取股票基本信息和最新财务摘要
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* @param {string} seccode - 股票代码
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*/
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getStockInfo: async (seccode) => {
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return await apiRequest(`/api/financial/stock-info/${seccode}`);
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},
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/**
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* 获取完整的资产负债表数据
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* @param {string} seccode - 股票代码
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* @param {number} limit - 获取的报告期数量
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*/
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getBalanceSheet: async (seccode, limit = 12) => {
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return await apiRequest(`/api/financial/balance-sheet/${seccode}?limit=${limit}`);
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},
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/**
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* 获取完整的利润表数据
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* @param {string} seccode - 股票代码
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* @param {number} limit - 获取的报告期数量
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*/
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getIncomeStatement: async (seccode, limit = 12) => {
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return await apiRequest(`/api/financial/income-statement/${seccode}?limit=${limit}`);
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},
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/**
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* 获取完整的现金流量表数据
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* @param {string} seccode - 股票代码
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* @param {number} limit - 获取的报告期数量
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*/
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getCashflow: async (seccode, limit = 12) => {
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return await apiRequest(`/api/financial/cashflow/${seccode}?limit=${limit}`);
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},
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/**
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* 获取完整的财务指标数据
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* @param {string} seccode - 股票代码
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* @param {number} limit - 获取的报告期数量
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*/
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getFinancialMetrics: async (seccode, limit = 12) => {
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return await apiRequest(`/api/financial/financial-metrics/${seccode}?limit=${limit}`);
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},
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/**
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* 获取主营业务构成数据
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* @param {string} seccode - 股票代码
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* @param {number} periods - 获取的报告期数量
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*/
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getMainBusiness: async (seccode, periods = 4) => {
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return await apiRequest(`/api/financial/main-business/${seccode}?periods=${periods}`);
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},
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/**
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* 获取业绩预告和预披露时间
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* @param {string} seccode - 股票代码
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*/
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getForecast: async (seccode) => {
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return await apiRequest(`/api/financial/forecast/${seccode}`);
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},
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/**
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* 获取行业排名数据
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* @param {string} seccode - 股票代码
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* @param {number} limit - 获取的报告期数量
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*/
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getIndustryRank: async (seccode, limit = 4) => {
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return await apiRequest(`/api/financial/industry-rank/${seccode}?limit=${limit}`);
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},
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/**
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* 获取不同报告期的对比数据
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* @param {string} seccode - 股票代码
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* @param {number} periods - 对比的报告期数量
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*/
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getPeriodComparison: async (seccode, periods = 8) => {
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return await apiRequest(`/api/financial/comparison/${seccode}?periods=${periods}`);
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},
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};
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// 数据格式化工具函数
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export const formatUtils = {
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/**
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* 格式化大数字（亿/万）
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* @param {number} num - 数字
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* @param {number} decimal - 小数位数
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*/
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formatLargeNumber: (num, decimal = 2) => {
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if (num === null || num === undefined) return '-';
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const absNum = Math.abs(num);
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let result = '';
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if (absNum >= 100000000) {
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result = (num / 100000000).toFixed(decimal) + '亿';
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} else if (absNum >= 10000) {
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result = (num / 10000).toFixed(decimal) + '万';
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} else if (absNum >= 1) {
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result = num.toFixed(decimal);
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} else {
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result = num.toFixed(4); // 小于1的数字显示更多小数位
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}
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return result;
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},
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/**
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* 格式化百分比
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* @param {number} num - 数字
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* @param {number} decimal - 小数位数
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*/
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formatPercent: (num, decimal = 2) => {
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if (num === null || num === undefined) return '-';
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return num.toFixed(decimal) + '%';
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},
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/**
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* 格式化日期
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* @param {string} dateStr - 日期字符串
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*/
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formatDate: (dateStr) => {
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if (!dateStr) return '-';
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const date = new Date(dateStr);
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return `${date.getFullYear()}-${String(date.getMonth() + 1).padStart(2, '0')}-${String(date.getDate()).padStart(2, '0')}`;
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},
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/**
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* 获取报告期类型
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* @param {string} dateStr - 日期字符串
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*/
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getReportType: (dateStr) => {
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if (!dateStr) return '';
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const date = new Date(dateStr);
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const month = date.getMonth() + 1;
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const year = date.getFullYear();
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switch(month) {
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case 3:
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return `${year}Q1`;
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case 6:
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return `${year}中报`;
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case 9:
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return `${year}Q3`;
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case 12:
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return `${year}年报`;
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default:
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return dateStr;
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}
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},
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/**
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* 格式化增长率颜色（用于Chakra UI）
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* @param {number} value - 增长率数值
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*/
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getGrowthColor: (value) => {
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if (value === null || value === undefined) return 'gray.500';
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if (value > 0) return 'green.500';
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if (value < 0) return 'red.500';
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return 'gray.500';
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},
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/**
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* 获取指标变化趋势图标
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* @param {number} current - 当前值
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* @param {number} previous - 之前的值
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*/
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getTrendIcon: (current, previous) => {
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if (!current || !previous) return 'stable';
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if (current > previous) return 'up';
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if (current < previous) return 'down';
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return 'stable';
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},
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/**
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* 计算同比增长率
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* @param {number} current - 当前值
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* @param {number} yearAgo - 去年同期值
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*/
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calculateYoY: (current, yearAgo) => {
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if (!current || !yearAgo) return null;
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return ((current - yearAgo) / Math.abs(yearAgo)) * 100;
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},
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/**
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* 计算环比增长率
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* @param {number} current - 当前值
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* @param {number} previous - 上期值
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*/
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calculateQoQ: (current, previous) => {
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if (!current || !previous) return null;
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return ((current - previous) / Math.abs(previous)) * 100;
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},
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/**
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* 获取财务健康度评分
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* @param {object} metrics - 财务指标对象
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*/
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getFinancialHealthScore: (metrics) => {
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let score = 0;
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let factors = 0;
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// ROE评分
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if (metrics.roe !== null && metrics.roe !== undefined) {
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factors++;
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if (metrics.roe > 20) score += 5;
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else if (metrics.roe > 15) score += 4;
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else if (metrics.roe > 10) score += 3;
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else if (metrics.roe > 5) score += 2;
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else if (metrics.roe > 0) score += 1;
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}
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// 流动比率评分
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if (metrics.current_ratio !== null && metrics.current_ratio !== undefined) {
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factors++;
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if (metrics.current_ratio > 2) score += 5;
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else if (metrics.current_ratio > 1.5) score += 4;
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else if (metrics.current_ratio > 1) score += 3;
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else if (metrics.current_ratio > 0.75) score += 2;
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else score += 1;
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}
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// 资产负债率评分
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if (metrics.debt_ratio !== null && metrics.debt_ratio !== undefined) {
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factors++;
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if (metrics.debt_ratio < 30) score += 5;
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else if (metrics.debt_ratio < 40) score += 4;
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else if (metrics.debt_ratio < 50) score += 3;
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else if (metrics.debt_ratio < 60) score += 2;
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else if (metrics.debt_ratio < 70) score += 1;
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}
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// 营收增长率评分
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if (metrics.revenue_growth !== null && metrics.revenue_growth !== undefined) {
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factors++;
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if (metrics.revenue_growth > 30) score += 5;
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else if (metrics.revenue_growth > 20) score += 4;
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else if (metrics.revenue_growth > 10) score += 3;
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else if (metrics.revenue_growth > 5) score += 2;
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else if (metrics.revenue_growth > 0) score += 1;
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}
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if (factors === 0) return null;
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const avgScore = (score / factors) * 20; // 转换为100分制
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return {
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score: avgScore,
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level: avgScore >= 80 ? '优秀' : avgScore >= 60 ? '良好' : avgScore >= 40 ? '一般' : '较差',
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color: avgScore >= 80 ? 'green' : avgScore >= 60 ? 'blue' : avgScore >= 40 ? 'yellow' : 'red'
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};
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},
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/**
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* 格式化数据表格列配置
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* @param {string} type - 表格类型
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*/
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getTableColumns: (type) => {
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const columnConfigs = {
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balanceSheet: [
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{ key: 'period', label: '报告期', align: 'left' },
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{ key: 'total_assets', label: '总资产', align: 'right', format: 'largeNumber' },
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{ key: 'total_liabilities', label: '总负债', align: 'right', format: 'largeNumber' },
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{ key: 'total_equity', label: '股东权益', align: 'right', format: 'largeNumber' },
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{ key: 'current_ratio', label: '流动比率', align: 'right', format: 'decimal' },
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{ key: 'debt_ratio', label: '资产负债率', align: 'right', format: 'percent' },
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],
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incomeStatement: [
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{ key: 'period', label: '报告期', align: 'left' },
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{ key: 'revenue', label: '营业收入', align: 'right', format: 'largeNumber' },
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{ key: 'operating_profit', label: '营业利润', align: 'right', format: 'largeNumber' },
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{ key: 'net_profit', label: '净利润', align: 'right', format: 'largeNumber' },
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{ key: 'gross_margin', label: '毛利率', align: 'right', format: 'percent' },
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{ key: 'net_margin', label: '净利率', align: 'right', format: 'percent' },
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],
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cashflow: [
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{ key: 'period', label: '报告期', align: 'left' },
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{ key: 'operating_cashflow', label: '经营现金流', align: 'right', format: 'largeNumber' },
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{ key: 'investing_cashflow', label: '投资现金流', align: 'right', format: 'largeNumber' },
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{ key: 'financing_cashflow', label: '筹资现金流', align: 'right', format: 'largeNumber' },
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{ key: 'free_cashflow', label: '自由现金流', align: 'right', format: 'largeNumber' },
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],
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metrics: [
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{ key: 'period', label: '报告期', align: 'left' },
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{ key: 'roe', label: 'ROE', align: 'right', format: 'percent' },
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{ key: 'roa', label: 'ROA', align: 'right', format: 'percent' },
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{ key: 'eps', label: 'EPS', align: 'right', format: 'decimal' },
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{ key: 'pe', label: 'PE', align: 'right', format: 'decimal' },
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{ key: 'pb', label: 'PB', align: 'right', format: 'decimal' },
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]
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};
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return columnConfigs[type] || [];
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}
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};
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// 图表数据处理工具
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export const chartUtils = {
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/**
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* 准备趋势图数据
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* @param {array} data - 原始数据
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* @param {array} metrics - 要显示的指标
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*/
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prepareTrendData: (data, metrics) => {
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return data.map(item => {
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const point = {
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period: formatUtils.getReportType(item.period)
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};
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metrics.forEach(metric => {
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point[metric.key] = item[metric.dataPath];
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});
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return point;
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}).reverse(); // 按时间顺序排列
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},
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/**
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* 准备饼图数据
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* @param {array} data - 原始数据
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* @param {string} valueKey - 值字段
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* @param {string} nameKey - 名称字段
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*/
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preparePieData: (data, valueKey, nameKey) => {
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const total = data.reduce((sum, item) => sum + (item[valueKey] || 0), 0);
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return data.map(item => ({
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name: item[nameKey],
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value: item[valueKey],
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percentage: total > 0 ? (item[valueKey] / total * 100).toFixed(2) : 0
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}));
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},
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/**
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* 准备对比柱状图数据
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* @param {array} data - 原始数据
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* @param {array} periods - 要对比的期间
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* @param {array} metrics - 要对比的指标
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*/
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prepareComparisonData: (data, periods, metrics) => {
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return metrics.map(metric => ({
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metric: metric.label,
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...periods.reduce((acc, period, index) => {
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const periodData = data.find(d => d.period === period);
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acc[`period${index + 1}`] = periodData ? periodData[metric.key] : 0;
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return acc;
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}, {})
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}));
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},
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/**
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* 获取图表颜色配置
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* @param {string} theme - 主题类型
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*/
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getChartColors: (theme = 'default') => {
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const themes = {
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default: ['#3182CE', '#38A169', '#DD6B20', '#805AD5', '#D69E2E', '#E53E3E'],
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blue: ['#0088FE', '#00C49F', '#FFBB28', '#FF8042', '#8884D8', '#82CA9D'],
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green: ['#38A169', '#48BB78', '#68D391', '#9AE6B4', '#C6F6D5', '#F0FFF4']
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};
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return themes[theme] || themes.default;
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}
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};
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export default financialService;
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