function stopBubbling(e) {
e = window.event || e;
if (e.stopPropagation) {
e.stopPropagation();//阻止事件冒泡传播
} else {
e.cancelBubble = true; //ie兼容
}
}

$scope.goToChat = function (suid) {
$location.path("/chatindex/" + suid);
stopBubbling(event);
};

阻止事件冒泡传播，点击包含点击