2019-06-13

//sql预处理对象

PreparedStatementpst=null;

pst=connection.prepareStatement(sql);

for(int i =0 ;I

pst.setObject(i+1,pars[i]);

}

rs =pst.executeQuery();

pst.executeUpdate()

获取session对象

HttpSession session=request.getSession();

session赋值

session.setAttribute("newsUser",newsUser);

session获取

${newsUser}