JSP的常用语法<%=new java.util.Date()%>

1. <%=new java.util.Date()%>

2.index.jsp:

<form action="test.jsp">    username : <input type="text" name="username" />    <br />    <input type="submit"></form>

test.jsp:

Hello <%=request.getParameter("username")%>

Hello <%out.print(request.getParameter("username"));%>

3.index.jsp:

<form action="test.jsp">    username : <input type="text" name="username" />    <br />    <input type="submit"></form>

test.jsp:

<%@ page contentType="text/html; charset=gb2312"%><%    String color = request.getParameter("color");    if ("red".equals(color)) {        request.getRequestDispatcher("red.jsp").forward(request, response);    } else if ("green".equals(color)) {        request.getRequestDispatcher("green.jsp").forward(request, response);    }%>

4.