退出登录后让浏览器后退按钮失效**
下面代码写在登录页面
<script type="text/javascript">
$(function(){
if(window.history && window.history.pushState){
$(window).on("popstate", function(){
window.history.pushState("forward", null, "#");
window.history.forward(1);
});
}
window.history.pushState("forward", null, "#"); //在IE中必须得有这两行
window.history.forward(1);
});
</script>