mirror of
https://github.com/ArvinLovegood/go-stock.git
synced 2025-07-19 00:00:09 +08:00
db43da6577
- 新增基金数据 API，实现基金信息爬取和数据库操作 - 添加基金监控逻辑，定期更新基金净值信息 - 实现基金列表查询、关注和取消关注功能 - 新增基金相关前端组件，展示基金信息和操作
389 lines
12 KiB
Go
389 lines
12 KiB
Go
package data
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import (
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"context"
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"encoding/json"
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"fmt"
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"github.com/duke-git/lancet/v2/convertor"
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"github.com/duke-git/lancet/v2/strutil"
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"github.com/go-resty/resty/v2"
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"go-stock/backend/db"
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"go-stock/backend/logger"
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"strconv"
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"strings"
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"time"
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"github.com/PuerkitoBio/goquery"
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"gorm.io/gorm"
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)
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type FundApi struct {
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client *resty.Client
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config *Settings
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}
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func NewFundApi() *FundApi {
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return &FundApi{
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client: resty.New(),
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config: getConfig(),
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}
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}
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type FollowedFund struct {
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gorm.Model
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Code string `json:"code" gorm:"index"` // 基金代码
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Name string `json:"name"` // 基金简称
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NetUnitValue *float64 `json:"netUnitValue"` // 单位净值
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NetUnitValueDate string `json:"netUnitValueDate"` // 单位净值日期
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NetEstimatedUnit *float64 `json:"netEstimatedUnit"` // 估算单位净值
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NetEstimatedTime string `json:"netEstimatedUnitTime"` // 估算单位净值日期
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NetAccumulated *float64 `json:"netAccumulated"` // 累计净值
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FundBasic FundBasic `json:"fundBasic" gorm:"foreignKey:Code;references:Code"`
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}
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func (FollowedFund) TableName() string {
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return "followed_fund"
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}
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// FundBasic 基金基本信息结构体
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type FundBasic struct {
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gorm.Model
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Code string `json:"code" gorm:"index"` // 基金代码
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Name string `json:"name"` // 基金简称
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FullName string `json:"fullName"` // 基金全称
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Type string `json:"type"` // 基金类型
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Establishment string `json:"establishment"` // 成立日期
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Scale string `json:"scale"` // 最新规模(亿元)
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Company string `json:"company"` // 基金管理人
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Manager string `json:"manager"` // 基金经理
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Rating string `json:"rating"` //基金评级
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TrackingTarget string `json:"trackingTarget"` //跟踪标的
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NetUnitValue *float64 `json:"netUnitValue"` // 单位净值
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NetUnitValueDate string `json:"netUnitValueDate"` // 单位净值日期
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NetEstimatedUnit *float64 `json:"netEstimatedUnit"` // 估算单位净值
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NetEstimatedTime string `json:"netEstimatedUnitTime"` // 估算单位净值日期
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NetAccumulated *float64 `json:"netAccumulated"` // 累计净值
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//净值涨跌幅： 近1月,近3月,近6月,近1年,近3年,近5年,今年来,成立来
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NetGrowth1 *float64 `json:"netGrowth1"` //近1月
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NetGrowth3 *float64 `json:"netGrowth3"` //近3月
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NetGrowth6 *float64 `json:"netGrowth6"` //近6月
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NetGrowth12 *float64 `json:"netGrowth12"` //近1年
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NetGrowth36 *float64 `json:"netGrowth36"` //近3年
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NetGrowth60 *float64 `json:"netGrowth60"` //近5年
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NetGrowthYTD *float64 `json:"netGrowthYTD"` //今年来
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NetGrowthAll *float64 `json:"netGrowthAll"` //成立来
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}
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func (FundBasic) TableName() string {
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return "fund_basic"
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}
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// CrawlFundBasic 爬取基金基本信息
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func (f *FundApi) CrawlFundBasic(fundCode string) (*FundBasic, error) {
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defer func() {
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if r := recover(); r != nil {
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logger.SugaredLogger.Errorf("CrawlFundBasic panic: %v", r)
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}
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}()
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crawler := CrawlerApi{
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crawlerBaseInfo: CrawlerBaseInfo{
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Name: "天天基金",
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BaseUrl: "http://fund.eastmoney.com",
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Headers: map[string]string{"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36"},
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},
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}
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ctx, cancel := context.WithTimeout(context.Background(), time.Duration(f.config.CrawlTimeOut)*time.Second)
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defer cancel()
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crawler = crawler.NewCrawler(ctx, crawler.crawlerBaseInfo)
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url := fmt.Sprintf("%s/%s.html", crawler.crawlerBaseInfo.BaseUrl, fundCode)
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logger.SugaredLogger.Infof("CrawlFundBasic url:%s", url)
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// 使用现有爬虫框架解析页面
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htmlContent, ok := crawler.GetHtml(url, ".merchandiseDetail", true)
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if !ok {
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return nil, fmt.Errorf("页面解析失败")
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}
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fund := &FundBasic{Code: fundCode}
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doc, err := goquery.NewDocumentFromReader(strings.NewReader(htmlContent))
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if err != nil {
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return nil, err
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}
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// 解析基础信息
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name := doc.Find(".merchandiseDetail .fundDetail-tit").First().Text()
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fund.Name = strings.TrimSpace(strutil.ReplaceWithMap(name, map[string]string{"查看相关ETF>": ""}))
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logger.SugaredLogger.Infof("基金名称:%s", fund.Name)
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doc.Find(".infoOfFund table td ").Each(func(i int, s *goquery.Selection) {
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text := strutil.RemoveWhiteSpace(s.Text(), true)
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logger.SugaredLogger.Infof("基金信息:%+v", text)
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defer func() {
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if r := recover(); r != nil {
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logger.SugaredLogger.Errorf("panic: %v", r)
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}
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}()
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splitEx := strutil.SplitEx(text, "：", true)
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if strutil.ContainsAny(text, []string{"基金类型", "类型"}) {
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fund.Type = splitEx[1]
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}
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if strutil.ContainsAny(text, []string{"成立日期", "成立日"}) {
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fund.Establishment = splitEx[1]
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}
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if strutil.ContainsAny(text, []string{"基金规模", "规模"}) {
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fund.Scale = splitEx[1]
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}
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if strutil.ContainsAny(text, []string{"管理人", "基金公司"}) {
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fund.Company = splitEx[1]
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}
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if strutil.ContainsAny(text, []string{"基金经理", "经理人"}) {
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fund.Manager = splitEx[1]
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}
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if strutil.ContainsAny(text, []string{"基金评级", "评级"}) {
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fund.Rating = splitEx[1]
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}
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if strutil.ContainsAny(text, []string{"跟踪标的", "标的"}) {
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fund.TrackingTarget = splitEx[1]
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}
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})
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//获取基金净值涨跌幅信息
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doc.Find(".dataOfFund dl > dd").Each(func(i int, s *goquery.Selection) {
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text := strutil.RemoveWhiteSpace(s.Text(), true)
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logger.SugaredLogger.Infof("净值涨跌幅信息:%+v", text)
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defer func() {
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if r := recover(); r != nil {
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logger.SugaredLogger.Errorf("panic: %v", r)
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}
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}()
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splitEx := strutil.SplitAndTrim(text, "：", "%")
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toFloat, err1 := convertor.ToFloat(splitEx[1])
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if err1 != nil {
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logger.SugaredLogger.Errorf("转换失败:%+v", err)
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return
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}
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logger.SugaredLogger.Infof("净值涨跌幅信息:%+v", toFloat)
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if strutil.ContainsAny(text, []string{"近1月"}) {
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fund.NetGrowth1 = &toFloat
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}
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if strutil.ContainsAny(text, []string{"近3月"}) {
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fund.NetGrowth3 = &toFloat
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}
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if strutil.ContainsAny(text, []string{"近6月"}) {
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fund.NetGrowth6 = &toFloat
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}
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if strutil.ContainsAny(text, []string{"近1年"}) {
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fund.NetGrowth12 = &toFloat
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}
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if strutil.ContainsAny(text, []string{"近3年"}) {
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fund.NetGrowth36 = &toFloat
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}
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if strutil.ContainsAny(text, []string{"近5年"}) {
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fund.NetGrowth60 = &toFloat
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}
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if strutil.ContainsAny(text, []string{"今年来"}) {
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fund.NetGrowthYTD = &toFloat
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}
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if strutil.ContainsAny(text, []string{"成立来"}) {
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fund.NetGrowthAll = &toFloat
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}
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})
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doc.Find(".dataOfFund dl > dd.dataNums,.dataOfFund dl > dt").Each(func(i int, s *goquery.Selection) {
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text := s.Text()
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defer func() {
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if r := recover(); r != nil {
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logger.SugaredLogger.Errorf("panic: %v", r)
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}
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}()
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logger.SugaredLogger.Infof("净值信息:%+v", text)
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})
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logger.SugaredLogger.Infof("基金信息:%+v", fund)
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count := int64(0)
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db.Dao.Model(fund).Where("code=?", fund.Code).Count(&count)
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if count == 0 {
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db.Dao.Create(fund)
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} else {
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db.Dao.Model(fund).Where("code=?", fund.Code).Updates(fund)
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}
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return fund, nil
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}
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func (f *FundApi) GetFundList(key string) []FundBasic {
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var funds []FundBasic
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db.Dao.Where("code like ? or name like ?", "%"+key+"%", "%"+key+"%").Limit(10).Find(&funds)
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return funds
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}
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func (f *FundApi) GetFollowedFund() []FollowedFund {
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var funds []FollowedFund
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db.Dao.Preload("FundBasic").Find(&funds)
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return funds
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}
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func (f *FundApi) FollowFund(fundCode string) string {
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var fund FundBasic
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db.Dao.Where("code=?", fundCode).First(&fund)
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if fund.Code != "" {
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follow := &FollowedFund{
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Code: fundCode,
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Name: fund.Name,
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}
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err := db.Dao.Model(follow).Where("code = ?", fundCode).FirstOrCreate(follow, "code", fund.Code).Error
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if err != nil {
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return "关注失败"
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}
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return "关注成功"
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} else {
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return "基金信息不存在"
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}
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}
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func (f *FundApi) UnFollowFund(fundCode string) string {
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var fund FollowedFund
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db.Dao.Where("code=?", fundCode).First(&fund)
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if fund.Code != "" {
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err := db.Dao.Model(&fund).Delete(&fund).Error
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if err != nil {
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return "取消关注失败"
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}
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return "取消关注成功"
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} else {
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return "基金信息不存在"
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}
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}
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func (f *FundApi) AllFund() {
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defer func() {
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if r := recover(); r != nil {
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logger.SugaredLogger.Errorf("AllFund panic: %v", r)
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}
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}()
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response, err := f.client.SetTimeout(time.Duration(f.config.CrawlTimeOut)*time.Second).R().
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SetHeader("User-Agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36").
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Get("https://fund.eastmoney.com/allfund.html")
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if err != nil {
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return
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}
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//中文编码
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htmlContent := GB18030ToUTF8(response.Body())
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doc, err := goquery.NewDocumentFromReader(strings.NewReader(htmlContent))
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cnt := 0
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doc.Find("ul.num_right li").Each(func(i int, s *goquery.Selection) {
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text := strutil.SplitEx(s.Text(), "|", true)
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if len(text) > 0 {
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cnt++
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name := text[0]
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str := strutil.SplitAndTrim(name, "）", "（", "）")
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logger.SugaredLogger.Infof("%d,基金信息 code:%s,name:%s", cnt, str[0], str[1])
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//go f.CrawlFundBasic(str[0])
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fund := &FundBasic{
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Code: str[0],
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Name: str[1],
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}
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count := int64(0)
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db.Dao.Model(fund).Where("code=?", fund.Code).Count(&count)
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if count == 0 {
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db.Dao.Create(fund)
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}
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}
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})
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}
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type FundNetUnitValue struct {
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Fundcode string `json:"fundcode"`
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Name string `json:"name"`
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Jzrq string `json:"jzrq"`
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Dwjz string `json:"dwjz"`
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Gsz string `json:"gsz"`
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Gszzl string `json:"gszzl"`
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Gztime string `json:"gztime"`
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}
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// CrawlFundNetEstimatedUnit 爬取净值估算值
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func (f *FundApi) CrawlFundNetEstimatedUnit(code string) {
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var fundNetUnitValue FundNetUnitValue
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response, err := f.client.SetTimeout(time.Duration(f.config.CrawlTimeOut)*time.Second).R().
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SetHeader("User-Agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36").
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SetHeader("Referer", "https://fund.eastmoney.com/").
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SetQueryParams(map[string]string{"rt": strconv.FormatInt(time.Now().UnixMilli(), 10)}).
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Get(fmt.Sprintf("https://fundgz.1234567.com.cn/js/%s.js", code))
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if err != nil {
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logger.SugaredLogger.Errorf("err:%s", err.Error())
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return
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}
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if response.StatusCode() == 200 {
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htmlContent := string(response.Body())
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logger.SugaredLogger.Infof("htmlContent:%s", htmlContent)
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if strings.Contains(htmlContent, "jsonpgz") {
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htmlContent = strutil.Trim(htmlContent, "jsonpgz(", ");")
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htmlContent = strutil.Trim(htmlContent, ");")
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logger.SugaredLogger.Infof("基金净值信息:%s", htmlContent)
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err := json.Unmarshal([]byte(htmlContent), &fundNetUnitValue)
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if err != nil {
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logger.SugaredLogger.Errorf("json.Unmarshal error:%s", err.Error())
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return
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}
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fund := &FollowedFund{
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Code: fundNetUnitValue.Fundcode,
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Name: fundNetUnitValue.Name,
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NetEstimatedTime: fundNetUnitValue.Gztime,
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}
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netEstimatedUnit, err := convertor.ToFloat(fundNetUnitValue.Gsz)
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if err == nil {
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fund.NetEstimatedUnit = &netEstimatedUnit
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}
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db.Dao.Model(fund).Where("code=?", fund.Code).Updates(fund)
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}
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}
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}
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// CrawlFundNetUnitValue 爬取净值
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func (f *FundApi) CrawlFundNetUnitValue(code string) {
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// var fundNetUnitValue FundNetUnitValue
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url := fmt.Sprintf("http://hq.sinajs.cn/rn=%d&list=f_%s", time.Now().UnixMilli(), code)
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logger.SugaredLogger.Infof("url:%s", url)
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response, err := f.client.SetTimeout(time.Duration(f.config.CrawlTimeOut)*time.Second).R().
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SetHeader("Host", "hq.sinajs.cn").
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SetHeader("User-Agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36 Edg/119.0.0.0").
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SetHeader("Referer", "https://finance.sina.com.cn").
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Get(url)
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if err != nil {
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logger.SugaredLogger.Errorf("err:%s", err.Error())
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return
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}
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if response.StatusCode() == 200 {
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data := string(GB18030ToUTF8(response.Body()))
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logger.SugaredLogger.Infof("data:%s", data)
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datas := strutil.SplitAndTrim(data, "=", "\"")
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if len(datas) >= 2 {
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//codex := strings.Split(datas[0], "hq_str_f_")[1]
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parts := strutil.SplitAndTrim(datas[1], ",", "\"")
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logger.SugaredLogger.Infof("parts:%s", parts)
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val, err := convertor.ToFloat(parts[1])
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if err != nil {
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logger.SugaredLogger.Errorf("err:%s", err.Error())
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return
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}
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fund := &FollowedFund{
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Name: parts[0],
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Code: code,
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NetUnitValue: &val,
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NetUnitValueDate: parts[4],
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}
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db.Dao.Model(fund).Where("code=?", fund.Code).Updates(fund)
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}
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}
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}
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