三、数据更新

1、简单更新

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

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

2、简化更新

int prepareUpdate(HashMap<Integer,Object> params)

int fields("a,b,c").values(1,2,"kk").prepareUpdate()

int fields("a,b,c").prepareUpdate(Object param1,Object param2,...)

int prepareMapUpdate(HashMap<String key,Object value> params)

int prepareUpdate(String where,HashMap<String key,Object value> params)

Member m=new Member();

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

params.put(1,1);

m.set("a=?").prepareUpdate(params);