JSP中param标签用法实例分析_JSP编程_

<%double i = Math.random();%>//加载come.jsp //传递参数 

<%//获得includeAction.jsp传来的值: String str = request.getParameter("number"); double n = Double.parseDouble(str); %> The value form includeAction is:
<%=n%>

 //由 checklogin.jsp处理表单数据 
Username:
 //获得参数"user"，初始值为null >
Password:

<% //与login.jsp中name="username"对应 String name = request.getParameter("username"); //与login.jsp中name="password"对应 String password = request.getParameter("password"); if (name.equals("admin") && password.equals("admin")) { %>//跳转至success.jsp //携带参数"user" <% } else { %>//跳转至login.jsp //携带参数"user" <% } %>

 Welcome,<%=request.getParameter("user")%>//获得参数"user"