参考:https://wiki.jasig.org/display/CAS/Using+CAS+without+the+Login+Screen
https://wiki.jasig.org/display/CAS/Using+CAS+from+external+link+or+custom+external+form
服务端:
casLoginView.jsp
<jsp:directive.include file="includes/top.jsp" /> <% String auto = request.getParameter("auto"); if (auto != null && auto.equals("true")) { %> <html> <head> <script language="javascript"> function doAutoLogin() { document.forms[0].submit(); } </script> </head> <body onload="doAutoLogin();"> <form id="fm1" method="post" action="<%= request.getContextPath() %>/login?service=<%= request.getParameter("service") %>"> <input type="hidden" name="lt" value="${loginTicket}" /> <input type="hidden" name="execution" value="${flowExecutionKey}" /> <input type="hidden" name="_eventId" value="submit" /> <input type="hidden" name="username" value="<%= request.getParameter("username") %>" /> <input type="hidden" name="password" value="<%= request.getParameter("password") %>" /> <% if ("true".equals(request.getParameter("rememberMe"))) {%> <input type="hidden" name="rememberMe" value="true" /> <% } %> <input type="submit" value="Submit" style="visibility: hidden;" /> </form> </body> </html> <% } else { %> //................ //这里把casLoginView.jsp 原来的东西粘贴过来。不使用客户端登录页面时候,使用默认页面登录 <% } %> <jsp:directive.include file="includes/bottom.jsp" />
客户端:
<html> <head /> <body> <form method="POST" action="https://cas.example.com/cas/"> <p>Username : <input type="text" name="username" /></p> <p>Password : <input type="password" name="password" /></p> <p>Remember me : <input type="checkbox" name="rememberMe" value="true" /></p> <p><input type="submit" value="Login !" /></p> <input type="hidden" name="auto" value="true" /> <input type="hidden" name="service" value="http://app.example.com/myapp/" /> </form> </body> </html>
服务端地址: https://cas.example.com/cas/ 客户端地址: http://app.example.com/myapp/