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public class a
{
    private int Team_Id;
    public int getTeam_Id()
    {
return Team_Id;
    }
    public void setTeam_Id(int team_Id)
    {
Team_Id = team_Id;
    }
    public String execute() throws Exception
    {
        System.out.println(Team_Id);
String sql="select * from Team where Team_Id='Team_Id'";
ResultSet rs=dao.executeQuery(sql);
    }
}
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ResultSet rs=dao.executeQuery(sql);
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String sql="select * from Team where Team_Id="+Team_Id;

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String sql="select * from Team where Team_Id="+Team_Id;

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public static void main(string[]args){}¼ÓÉÏÄãÏëʵÏÖµÄÄÚÈÝÄã¿ÉÒÔÊÔÊÔ£¡

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String sql="select * from Team where Team_Id="+Team_I