四、数据删除

1、简单删除

int prepareQuery(String sql,HashMap<Integer,Object> params)

int prepareQuery(String sql,Object param1,Object param2,...)

2、简化删除

int prepareDelete(HashMap<Integer,Object> params)

Member m=new Member();

HashMap<Integer,Object> params=new HashMap<Integer,Object>();

params.put(1,1);

m.where("a=?").prepareDelete(params);