sql and java data time

標籤：let   --   onsubmit   bsp   jsp   set   orm   共用   資料   

1.java

擷取目前時間日期等等Data data = new Data();日期格式化SimpleDateFormat;SimpleDateFormat ft = new SimpleDateFormat ("yyyy-MM-dd"); 

2sql

DataTime YYYY-MM-DD HH-MM-SSDataTimeYEAR

3

HttpSession session = request.getSession();//是否存在session ,否則建立session.getAttribute("");

4

介面重新導向：    servlet--->jsp   1. String toJSP = "/jsp/search.jsp";        //不會產生新的request對象        RequestDispatcher rd=request.getRequestDispatcher(toJSP);         rd.forward(request, response);      2.產生新的request對象String url = "/databasecourse/jsp/search.jsp?yes="+bb;                        response.sendRedirect(url);

5.

jsp-->servlet    1.<a><link>    2.<form>    3.sendRedirect()

6

介面資料傳遞共用方法    1.HttpSession     getAttribute();    request.getSession();    2.Cookie    request.setCookie()‘    3.url = "url?"+name+=value&name1=value1    resquest.getParameter()    4form        action method onSubmit "retrurn "        resquest.getParameter();        name 

7

js操縱html 

sql and java data time