package tdx import "net" func Dial(addr string) (*Client, error) { conn, err := net.Dial("tcp", addr) if err != nil { return nil, err } return &Client{ conn: conn, }, nil } type Client struct { conn net.Conn } func (this *Client) Close() error { return this.conn.Close() } // GetSecurityList 获取市场内指定范围内的所有证券代码 func (this *Client) GetSecurityList() { }