JavaServer Pages pptx

1 JavaServer Pages 2 Nội dung  Giới thiệu JSP  Các script JSP  Các directive  Chèn File  JavaBeans và JSP  Custom JSP tag  Kết hợp servlets,JSP 3 Ví dụ <BODY> <H2>JSP Expressions</H2> <UL> <LI>Current time: <%= new java.util.Date() %> <LI>Your hostname: <%= request.getRemoteHost() %> <LI>Your session ID: <%= session.getId() %> <LI>The <CODE>testParam</CODE> form parameter: <%= request.getParameter("testParam") %> </UL> </BODY> </HTML> 4 Kết quả 5 JSP/Servlets  ofoto.com 6  First USA Bank 7  Delta Airlines 8 Script JSP 9  Biểu thức  <%= expression %>  <jsp:expression>Expression </jsp:expression>  Hostname: <%= request.getRemoteHost() %>  Code  <% code %>  <jsp:scriptlet>Code</jsp:scriptlet>  <% String query = request.getQueryString(); %>  Khai báo  <%! code %>  <jsp:declaration>Java Code</jsp:declaration>  <%! private int someField = 5; %> 10 Biến có sẵn  request - HttpServletRequest (1st doGet)  response - HttpServletResponse (2nd doGet)  session - HttpSession  out - JspWriter  application - ServletContext  getServletConfig().getContext(). . 1 JavaServer Pages 2 Nội dung  Giới thiệu JSP  Các script JSP  Các directive  Chèn