我搜索过这个问题,有些答案,但不完全符合我的问题。所以,这是我的jsp代码:
<body>
<%
if (manager.isValid(request.getParameter("username"),request.getParameter("password"))){
out.print("<h1> Welcome ");
out.print(request.getParameter("username") + "</h1>");
} else {
out.print("<h1> Please Try Again </h1> <br />");
out.print("Either your username or password is incorrect. Please Try again <br /> <br />");
}
%>
<%@ include file="LoginForm.html" %>
但是我希望只在"else"块中包含"loginForm.html",该如何实现呢?当然,这并不起作用,但您可以猜到我的意思:
<%
if (manager.isValid(request.getParameter("username"),request.getParameter("password"))){
out.print("<h1> Welcome ");
out.print(request.getParameter("username") + "</h1>");
} else {
out.print("<h1> Please Try Again </h1> <br />");
out.print("Either your username or password is incorrect. Please Try again <br /> <br />");
include file="LoginForm.html" ;
}
%>