对PC浏览器端和移动端都适用
//拦截安卓回退按钮
history.pushState(null, null, location.href);
window.history.forward(1); // 此行可以兼容 IE
window.addEventListener('popstate', function(event) {
history.pushState(null, null, location.href );
window.history.forward(1);
//此处加入回退时你要执行的代码
});
