Beispiel #1
0
//	更新上市公司列表
func (m America) Companies() ([]Company, error) {

	urls := [...]string{
		"http://www.nasdaq.com/screening/companies-by-industry.aspx?exchange=NASDAQ&render=download",
		"http://www.nasdaq.com/screening/companies-by-industry.aspx?exchange=NYSE&render=download",
		"http://www.nasdaq.com/screening/companies-by-industry.aspx?exchange=AMEX&render=download",
	}

	list := make([]Company, 0)
	for _, url := range urls {

		//	尝试从网络获取实时上市公司列表
		csv, err := io.DownloadStringRetry(url, retryTimes, retryIntervalSeconds)
		if err != nil {
			return nil, err
		}

		//	解析CSV
		companies, err := m.parseCSV(csv)
		if err != nil {
			return nil, err
		}

		list = append(list, companies...)
	}

	//	按Code排序
	sort.Sort(CompanyList(list))

	return list, nil
}
Beispiel #2
0
//	从雅虎财经获取上市公司分时数据
func DownloadCompanyDaily(marketName, companyCode, queryCode string, day time.Time) error {

	//	检查数据库是否解析过,解析过的不再重复解析
	found := raw60Exists(marketName, companyCode, day)
	if found {
		return nil
	}

	//	如果不存在就抓取
	start := time.Date(day.Year(), day.Month(), day.Day(), 0, 0, 0, 0, day.Location())
	end := start.Add(time.Hour * 24)

	pattern := "https://finance-yql.media.yahoo.com/v7/finance/chart/%s?period2=%d&period1=%d&interval=1m&indicators=quote&includeTimestamps=true&includePrePost=true&events=div%7Csplit%7Cearn&corsDomain=finance.yahoo.com"
	url := fmt.Sprintf(pattern, queryCode, end.Unix(), start.Unix())

	//	查询Yahoo财经接口,返回股票分时数据
	content, err := io.DownloadStringRetry(url, retryTimes, retryIntervalSeconds)
	if err != nil {
		return err
	}

	raw := Raw60{
		Market:  marketName,
		Code:    companyCode,
		Date:    day.UTC(),
		Json:    content,
		Status:  0,
		Message: ""}

	//	保存(加入保存队列)
	saveQueue <- raw

	return nil
}
Beispiel #3
0
//	更新上市公司列表
func (m HongKong) Companies() ([]Company, error) {

	urls := [...]string{
		"https://www.hkex.com.hk/chi/market/sec_tradinfo/stockcode/eisdeqty_c.htm",
		"https://www.hkex.com.hk/chi/market/sec_tradinfo/stockcode/eisdgems_c.htm",
	}

	companies := make([]Company, 0)
	for _, url := range urls {

		//	尝试从网络获取实时上市公司列表
		html, err := io.DownloadStringRetry(url, retryTimes, retryIntervalSeconds)
		if err != nil {
			return nil, err
		}

		//	解析json
		hk, err := m.parseHtml(html)
		if err != nil {
			return nil, err
		}

		companies = append(companies, hk...)
	}

	//	按Code排序
	sort.Sort(CompanyList(companies))

	return companies, nil
}
Beispiel #4
0
//	深圳证券交易所上市公司
func (m China) shenzhenCompanies() ([]Company, error) {
	urls := [...]string{
		"http://www.szse.cn/szseWeb/FrontController.szse?ACTIONID=8&CATALOGID=1110&tab1PAGENUM=1&ENCODE=1&TABKEY=tab1",
	}

	list := make([]Company, 0)
	for _, url := range urls {

		//	尝试从网络获取实时上市公司列表
		html, err := io.DownloadStringRetry(url, retryTimes, retryIntervalSeconds)
		if err != nil {
			return nil, err
		}

		//	深圳证券交易所的查询结果是GBK编码的,需要转成UTF8
		html, err, _, _ = gogb2312.ConvertGB2312String(html)
		if err != nil {
			return nil, err
		}

		//	解析Html
		companies, err := m.parseShenzhenHtml(html)
		if err != nil {
			return nil, err
		}

		list = append(list, companies...)
	}

	return list, nil
}