页面获得一个参数bye，值为yes跳转到一个地址，只不为yes跳转到另外一个地址，请问用c标签怎么写啊？？？？？？？？？？？
＜jsp:forward page="" /＞/c:when＜jsp:forward page="" /＞/c:otherwise/c:choose
" ＜jsp:forward page="" /＞/c:when /c:choose"