Question

Servlet中数据库表连接查询

怎么在一个Servlet中写表连接查询的语句啊，我就是想查询两个表

Answer 1

servlet：

String cond = "select * from user_maxiao ";
List list = (new UserInfoDAO()).getUser(cond);
request.setAttribute("list", list);
request.setAttribute("user", user);
request.getRequestDispatcher("/person/personlist.jsp").forward(
request, response);
UserInfoDAO：

public List getUser(String cond) {
List list = new ArrayList();
........
return list;
}
转载：https://zhidao.baidu.com/question/549836670.html