mirror of
https://github.com/ArvinLovegood/go-stock.git
synced 2025-07-19 00:00:09 +08:00
797a35eaa5
- 新增 GetRealTimeStockPriceInfo 函数，用于获取指定股票的实时价格和时间 - 优化爬虫配置，提高数据抓取效率 - 添加屏幕分辨率适配，动态调整应用窗口大小 - 修复部分股票代码格式问题，确保数据准确性
226 lines
8.7 KiB
Go
226 lines
8.7 KiB
Go
package data
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import (
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"context"
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"github.com/chromedp/chromedp"
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"go-stock/backend/logger"
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"time"
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)
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// @Author spark
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// @Date 2025/2/13 9:25
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// @Desc
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// -----------------------------------------------------------------------------------
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type CrawlerApi struct {
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crawlerCtx context.Context
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crawlerBaseInfo CrawlerBaseInfo
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}
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func (c *CrawlerApi) NewTimeOutCrawler(timeout int, crawlerBaseInfo CrawlerBaseInfo) CrawlerApi {
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ctx, cancel := context.WithTimeout(context.Background(), time.Duration(timeout)*time.Second)
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defer cancel()
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return c.NewCrawler(ctx, crawlerBaseInfo)
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}
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func (c *CrawlerApi) NewCrawler(ctx context.Context, crawlerBaseInfo CrawlerBaseInfo) CrawlerApi {
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return CrawlerApi{
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crawlerCtx: ctx,
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crawlerBaseInfo: crawlerBaseInfo,
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}
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}
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func (c *CrawlerApi) GetHtml(url, waitVisible string, headless bool) (string, bool) {
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htmlContent := ""
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path, e := checkBrowserOnWindows()
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logger.SugaredLogger.Infof("GetHtml path:%s", path)
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if e {
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pctx, pcancel := chromedp.NewExecAllocator(
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c.crawlerCtx,
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chromedp.ExecPath(path),
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chromedp.Flag("headless", headless),
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chromedp.Flag("blink-settings", "imagesEnabled=false"),
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chromedp.Flag("disable-javascript", false),
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chromedp.Flag("disable-gpu", true),
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chromedp.UserAgent(c.crawlerBaseInfo.Headers["User-Agent"]),
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chromedp.Flag("disable-background-networking", true),
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chromedp.Flag("enable-features", "NetworkService,NetworkServiceInProcess"),
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chromedp.Flag("disable-background-timer-throttling", true),
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chromedp.Flag("disable-backgrounding-occluded-windows", true),
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chromedp.Flag("disable-breakpad", true),
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chromedp.Flag("disable-client-side-phishing-detection", true),
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chromedp.Flag("disable-default-apps", true),
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chromedp.Flag("disable-dev-shm-usage", true),
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chromedp.Flag("disable-extensions", true),
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chromedp.Flag("disable-features", "site-per-process,Translate,BlinkGenPropertyTrees"),
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chromedp.Flag("disable-hang-monitor", true),
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chromedp.Flag("disable-ipc-flooding-protection", true),
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chromedp.Flag("disable-popup-blocking", true),
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chromedp.Flag("disable-prompt-on-repost", true),
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chromedp.Flag("disable-renderer-backgrounding", true),
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chromedp.Flag("disable-sync", true),
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chromedp.Flag("force-color-profile", "srgb"),
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chromedp.Flag("metrics-recording-only", true),
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chromedp.Flag("safebrowsing-disable-auto-update", true),
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chromedp.Flag("enable-automation", true),
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chromedp.Flag("password-store", "basic"),
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chromedp.Flag("use-mock-keychain", true),
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)
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defer pcancel()
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ctx, cancel := chromedp.NewContext(pctx, chromedp.WithLogf(logger.SugaredLogger.Infof))
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defer cancel()
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err := chromedp.Run(ctx, chromedp.Navigate(url),
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chromedp.WaitVisible(waitVisible, chromedp.ByQuery), // 确保 元素可见
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chromedp.WaitReady(waitVisible, chromedp.ByQuery), // 确保 元素准备好
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chromedp.InnerHTML("body", &htmlContent),
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)
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if err != nil {
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logger.SugaredLogger.Error(err.Error())
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return "", false
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}
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} else {
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ctx, cancel := chromedp.NewContext(c.crawlerCtx, chromedp.WithLogf(logger.SugaredLogger.Infof))
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defer cancel()
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err := chromedp.Run(ctx, chromedp.Navigate(url), chromedp.WaitVisible("body"), chromedp.InnerHTML("body", &htmlContent))
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if err != nil {
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logger.SugaredLogger.Error(err.Error())
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return "", false
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}
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}
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return htmlContent, true
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}
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func (c *CrawlerApi) GetHtmlWithNoCancel(url, waitVisible string, headless bool) (html string, ok bool, parent context.CancelFunc, child context.CancelFunc) {
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htmlContent := ""
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path, e := checkBrowserOnWindows()
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logger.SugaredLogger.Infof("GetHtml path:%s", path)
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var parentCancel context.CancelFunc
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var childCancel context.CancelFunc
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var pctx context.Context
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var cctx context.Context
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if e {
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pctx, parentCancel = chromedp.NewExecAllocator(
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c.crawlerCtx,
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chromedp.ExecPath(path),
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chromedp.Flag("headless", headless),
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chromedp.Flag("blink-settings", "imagesEnabled=false"),
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chromedp.Flag("disable-javascript", false),
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chromedp.Flag("disable-gpu", true),
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chromedp.UserAgent(c.crawlerBaseInfo.Headers["User-Agent"]),
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chromedp.Flag("disable-background-networking", true),
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chromedp.Flag("enable-features", "NetworkService,NetworkServiceInProcess"),
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chromedp.Flag("disable-background-timer-throttling", true),
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chromedp.Flag("disable-backgrounding-occluded-windows", true),
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chromedp.Flag("disable-breakpad", true),
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chromedp.Flag("disable-client-side-phishing-detection", true),
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chromedp.Flag("disable-default-apps", true),
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chromedp.Flag("disable-dev-shm-usage", true),
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chromedp.Flag("disable-extensions", true),
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chromedp.Flag("disable-features", "site-per-process,Translate,BlinkGenPropertyTrees"),
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chromedp.Flag("disable-hang-monitor", true),
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chromedp.Flag("disable-ipc-flooding-protection", true),
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chromedp.Flag("disable-popup-blocking", true),
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chromedp.Flag("disable-prompt-on-repost", true),
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chromedp.Flag("disable-renderer-backgrounding", true),
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chromedp.Flag("disable-sync", true),
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chromedp.Flag("force-color-profile", "srgb"),
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chromedp.Flag("metrics-recording-only", true),
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chromedp.Flag("safebrowsing-disable-auto-update", true),
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chromedp.Flag("enable-automation", true),
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chromedp.Flag("password-store", "basic"),
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chromedp.Flag("use-mock-keychain", true),
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)
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//defer pcancel()
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cctx, childCancel = chromedp.NewContext(pctx, chromedp.WithLogf(logger.SugaredLogger.Infof))
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//defer cancel()
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err := chromedp.Run(cctx, chromedp.Navigate(url),
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chromedp.WaitVisible(waitVisible, chromedp.ByQuery), // 确保 元素可见
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chromedp.WaitReady(waitVisible, chromedp.ByQuery), // 确保 元素准备好
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chromedp.InnerHTML("body", &htmlContent),
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)
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if err != nil {
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logger.SugaredLogger.Error(err.Error())
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return "", false, parentCancel, childCancel
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}
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} else {
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cctx, childCancel = chromedp.NewContext(c.crawlerCtx, chromedp.WithLogf(logger.SugaredLogger.Infof))
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//defer cancel()
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err := chromedp.Run(cctx, chromedp.Navigate(url), chromedp.WaitVisible("body"), chromedp.InnerHTML("body", &htmlContent))
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if err != nil {
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logger.SugaredLogger.Error(err.Error())
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return "", false, parentCancel, childCancel
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}
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}
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return htmlContent, true, parentCancel, childCancel
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}
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func (c *CrawlerApi) GetHtmlWithActions(actions *[]chromedp.Action, headless bool) (string, bool) {
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htmlContent := ""
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*actions = append(*actions, chromedp.InnerHTML("body", &htmlContent))
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path, e := checkBrowserOnWindows()
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logger.SugaredLogger.Infof("GetHtmlWithActions path:%s", path)
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if e {
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pctx, pcancel := chromedp.NewExecAllocator(
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c.crawlerCtx,
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chromedp.ExecPath(path),
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chromedp.Flag("headless", headless),
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chromedp.Flag("blink-settings", "imagesEnabled=false"),
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chromedp.Flag("disable-javascript", false),
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chromedp.Flag("disable-gpu", true),
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chromedp.UserAgent(c.crawlerBaseInfo.Headers["User-Agent"]),
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chromedp.Flag("disable-background-networking", true),
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chromedp.Flag("enable-features", "NetworkService,NetworkServiceInProcess"),
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chromedp.Flag("disable-background-timer-throttling", true),
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chromedp.Flag("disable-backgrounding-occluded-windows", true),
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chromedp.Flag("disable-breakpad", true),
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chromedp.Flag("disable-client-side-phishing-detection", true),
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chromedp.Flag("disable-default-apps", true),
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chromedp.Flag("disable-dev-shm-usage", true),
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chromedp.Flag("disable-extensions", true),
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chromedp.Flag("disable-features", "site-per-process,Translate,BlinkGenPropertyTrees"),
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chromedp.Flag("disable-hang-monitor", true),
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chromedp.Flag("disable-ipc-flooding-protection", true),
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chromedp.Flag("disable-popup-blocking", true),
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chromedp.Flag("disable-prompt-on-repost", true),
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chromedp.Flag("disable-renderer-backgrounding", true),
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chromedp.Flag("disable-sync", true),
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chromedp.Flag("force-color-profile", "srgb"),
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chromedp.Flag("metrics-recording-only", true),
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chromedp.Flag("safebrowsing-disable-auto-update", true),
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chromedp.Flag("enable-automation", true),
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chromedp.Flag("password-store", "basic"),
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chromedp.Flag("use-mock-keychain", true),
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)
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defer pcancel()
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ctx, cancel := chromedp.NewContext(pctx, chromedp.WithLogf(logger.SugaredLogger.Infof))
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defer cancel()
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err := chromedp.Run(ctx, *actions...)
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if err != nil {
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logger.SugaredLogger.Error(err.Error())
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return "", false
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}
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} else {
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ctx, cancel := chromedp.NewContext(c.crawlerCtx, chromedp.WithLogf(logger.SugaredLogger.Infof))
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defer cancel()
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err := chromedp.Run(ctx, *actions...)
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if err != nil {
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logger.SugaredLogger.Error(err.Error())
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return "", false
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}
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}
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return htmlContent, true
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}
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type CrawlerBaseInfo struct {
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Name string `json:"name"`
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Description string `json:"description"`
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BaseUrl string `json:"base_url"`
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Headers map[string]string `json:"headers"`
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}
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