回首望,曾经洋洋得意的代码现在不忍直视。曾经看起来碉堡的效果现在也能稍微弄点出来。社会在往前发展,人也不得不向前走。
参考于搜狗浏览器4.2版本首页的上下滚动效果。主要实现整个窗口的上下和左右滚动逻辑,还有很多可以拓展的空间。希望大家能多提意见与建议。
代码如下:
HTML
CSS
.stage,.page{
width: 100%;
height: 100%;
}
.stage1{
background-color:red;
}
.stage2{
background-color:#fff;
}
.stage3{
background-color:yellow;
}
.stage4{
background-color:green;
}
.stage5{
background-color:blue;
}
.page{
float: left;
}
.page2{
background-color: #666;
}
.page3{
background-color: #ddd;
}
.stageControl{
position: fixed;
}
.stageControl ul li{
width: 100px;
height: 30px;
line-height: 30px;
text-align: center;
cursor: pointer;
}
.stageControl ul li:hover{
color: blue;
}
.pageControl{
position: fixed;
left: 200px;
}
.pageControl ul li{
float: left;
width: 50px;
height: 25px;
line-height: 25px;
text-align: center;
cursor: pointer;
}
.pageControl ul li:hover{
color: blue;
}
width: 100%;
height: 100%;
}
.stage1{
background-color:red;
}
.stage2{
background-color:#fff;
}
.stage3{
background-color:yellow;
}
.stage4{
background-color:green;
}
.stage5{
background-color:blue;
}
.page{
float: left;
}
.page2{
background-color: #666;
}
.page3{
background-color: #ddd;
}
.stageControl{
position: fixed;
}
.stageControl ul li{
width: 100px;
height: 30px;
line-height: 30px;
text-align: center;
cursor: pointer;
}
.stageControl ul li:hover{
color: blue;
}
.pageControl{
position: fixed;
left: 200px;
}
.pageControl ul li{
float: left;
width: 50px;
height: 25px;
line-height: 25px;
text-align: center;
cursor: pointer;
}
.pageControl ul li:hover{
color: blue;
}
JavaScript
//阻止默认行为和冒泡,这里可以定义多个方法都要用到的函数
this.stopDefaultAndBubble=function(e){
e=e||window.event;
if (e.preventDefault) {
e.preventDefault();
}
e.returnValue=false;
if (e.stopPropagation) {
e.stopPropagation();
}
e.cancelBubble=true;
}
this.setSize=function(ele){
$(ele).css({
'width':$(window).outerWidth()+'px'
});
//自动判断元素是否存在,对undefined赋css属性无意义
$(ele).children('.stage').css({
'width':$(window).outerWidth()+'px','height':$(window).outerHeight()+'px'
});
$(ele).children('.page').css({
'width':$(window).outerWidth()+'px','height':$(window).outerHeight()+'px'
});
}
}
//给构造函数添加方法
WindowObj.prototype={
//上下滚动的方法
verticalMove:function(){
var obj=this.$element; //最外层对象
var speed=this.options.verticalSpeed;
var objControl=this.options.objControlUl;//控制按钮
var windowHeight=$(window).height();
var list=$(obj).children('.stage');
var listMax=$(list).length;
var is_chrome=navigator.userAgent.toLowerCase().indexOf('chrome')>-1;
if(is_chrome){
//判断webkit内核,供scrollTop兼容性使用
windowobject='body';
}else{
//<a href="/tag/zhichi/" target="_blank" class="keywords">支持</a>IE和FF
windowobject='html';
}
var stop=0;
//均设置为windows大小
this.setSize(obj);
//得到当前的垂直位置
var stageIndex;
function getIndex(){
stageIndex=Math.round($(window).scrollTop()/windowHeight);
}
//绑定<a href="/tag/jianpan/" target="_blank" class="keywords">键盘</a>上下按键事件
$(document).keydown(function(event) {
/* 绑定keycode38,即向上按钮 */
if (event.keyCode==38) {
getIndex();
setTimeout(function(){
scrollStage(windowobject,stageIndex,1); //stageIndex为当前<a href="/tag/yema/" target="_blank" class="keywords">页码</a>
},100);
}else if (event.keyCode==40) {//绑定40,即向下按钮
getIndex();
setTimeout(function(){
scrollStage(windowobject,-1); //stageIndex为当前<a href="/tag/yema/" target="_blank" class="keywords">页码</a>
},100);
}
});
//绑定滑轮<a href="/tag/gongneng/" target="_blank" class="keywords">功能</a>的<a href="/tag/hanshu/" target="_blank" class="keywords">函数</a>
function handle(delta){
getIndex();
if (delta<0) {
setTimeout(function(){
scrollStage(windowobject,100);
}else{
setTimeout(function(){
scrollStage(windowobject,100);
}
}
//判断滑轮,解决兼容性
function wheel(event){
var delta = 0;
if (!event) event = window.event;
if (event.wheelDelta) {
delta = event.wheelDelta;
if (window.opera) delta = -delta;
} else if (event.detail) {
delta = -event.detail;
}
if (delta)
handle(delta); //调用执行函数
}
//注册事件
if (window.addEventListener) {
window.addEventListener('DOMMouseScroll',wheel,false);
}
window.onmousewheel = document.onmousewheel = wheel;
//绑定鼠标滚轮事件
$(document).bind('mousedown',function(event) {
if (e.which==2) {//which=2代表鼠标滚轮,即为中键
this.stopDefaultAndBubble(e);
//bugfix 搜狗浏览器的ie内核只有在定时器触发这个函数才生效
setTimeout(function(){
this.stopDefaultAndBubble(e);
},10);
}
});
//如果有ul li控制按钮
if (objControl!=null) {
$(objControl).delegate('li','click',function() {
stageIndex=$(this).index();
setTimeout(function(){
scrollStage(windowobject,0);
},100);
});
}
function scrollStage(obj,stIndex,dir){//如果用scrollStage=function来指定的话没有声明提前,然后就会找不到这个函数了
//obj为操作滚动的对象
//stIndex为点击调用时应该滚动到的页面页码,按键和滚轮调用时默认为1(传入0)
//dir传入滚动时的方向,0代表不滚动,1代表向上,-1代表向下
var sIndex=stIndex;//!(dir)则stageIndex为要到的页码,否则为当前页码
var windowobject=obj;
var direction=0||dir; //接收参数封装,没有传入时暂时认为为0
var target=windowHeight*sIndex; //目标页面距离文档顶部距离
if ( !$(windowobject).is(':animated') ) {//当没有在滚动时
if(!direction){ ////响应guider,此时stageIndex为目标页面页码
if ($(window).scrollTop() > target) { //<a href="/tag/neirong/" target="_blank" class="keywords">内容</a>下移,窗口上移,上方出现弹痕
direction=-1;
$(windowobject).animate({
"scrollTop": target +"px"
},1000*speed,function(){
crash_bottom(1,target,20,150); //<a href="/tag/diaoyong/" target="_blank" class="keywords">调用</a>撞击<a href="/tag/hanshu/" target="_blank" class="keywords">函数</a>,先撞顶部,target变成<a href="/tag/dangqianyemian/" target="_blank" class="keywords">当前页面</a>了
});
}else if($(window).scrollTop() == windowHeight*sIndex){ //<a href="/tag/dangqianyemian/" target="_blank" class="keywords">当前页面</a>时
direction=0;
crash_bottom(1,150); //模拟撞<a href="/tag/dibu/" target="_blank" class="keywords">底部</a>
}else{
direction=1;
$(windowobject).animate({
"scrollTop": target +"px"
},function(){
crash(1,先撞<a href="/tag/dibu/" target="_blank" class="keywords">底部</a>
});
}
}else{//响应鼠标滚轮和<a href="/tag/jianpan/" target="_blank" class="keywords">键盘</a>上下,sindex为<a href="/tag/dangqianyemian/" target="_blank" class="keywords">当前页面</a>
if(direction==1){
if(sIndex==0){
crash(1,150);
}else{ //往上翻
sIndex-=1;
$(windowobject).animate({
"scrollTop":windowHeight*sIndex+"px"
},function(){
crash_bottom(1,windowHeight*sIndex,往下翻<a href="/tag/neirong/" target="_blank" class="keywords">内容</a>往上,先撞顶部
}
);
}
}else{
if(sIndex==listMax){
crash_bottom(1,150);
}else{ //往下翻
sIndex+=1;
$(windowobject).animate({
"scrollTop":windowHeight*sIndex+"px"
},function(){
crash(1,往上翻<a href="/tag/neirong/" target="_blank" class="keywords">内容</a>往下,先撞<a href="/tag/dibu/" target="_blank" class="keywords">底部</a>
});
}
}
}
}
}
//撞击<a href="/tag/hanshu/" target="_blank" class="keywords">函数</a>
function crash_bottom(direction,termin,distant,time){
if (!stop) {
var scrollTop=$(window).scrollTop();
if (direction==1) {
direction=0;
$(windowobject).animate({"scrollTop":"+="+distant+"px"},time,function(){
crash_bottom(direction,distant*0.6,time);
if (distant<=15||time>150) {
stop=1;//停止碰撞
$(windowobject).animate({"scrollTop":termin+"px"},function(){
stop=0;
});
}
});
}else if (direction==0) {
direction=1;
$(windowobject).animate({"scrollTop":termin+"px"},function(){
stop=0;
});
}
});
}
}
}
function crash(direction,time){
if (!stop) {
var scrollTop=$(window).scrollTop();
if (direction==1) {
direction=0;
$(windowobject).animate({"scrollTop":"-="+distant+"px"},function(){
crash(direction,function(){
stop=0;
});
}
});
}
}
}
},//左右滚动的<a href="/tag/fangfa/" target="_blank" class="keywords">方法</a>
horizontalMove:function(){
var obj=this.$element; //最外层对象
var speed=this.options.horizontalSpeed;
var objControl=this.options.objControlUl;//控制按钮
var windowWidth=$(window).width();
var list=$(obj).children('.page');
var listMax=$(list).length;
var is_chrome=navigator.userAgent.toLowerCase().indexOf('chrome')>-1;
if(is_chrome){
//判断webkit内核,供scrollTop兼容性使用
windowobject='body';
}else{
//<a href="/tag/zhichi/" target="_blank" class="keywords">支持</a>IE和FF
windowobject='html';
}
var stop=0;
//均设置为windows大小
this.setSize(obj);
$(obj).css({'width':windowWidth*listMax+'px'});
var pageIndex; //<a href="/tag/dangqianyemian/" target="_blank" class="keywords">当前页面</a><a href="/tag/yema/" target="_blank" class="keywords">页码</a>(负数)
function getPageIndex(){
pageIndex=Math.round(parseInt($(obj).css("margin-left")) / windowWidth);
}
//绑定<a href="/tag/jianpan/" target="_blank" class="keywords">键盘</a>左右按键事件
$(document).keydown(function(event){
//判断event.keyCode为39(即向右按钮)
if (event.keyCode==39) {
getPageIndex();
scrollPage($(obj),pageIndex,-1);
}
//判断event.keyCode为37(即向左按钮
else if (event.keyCode==37) {
getPageIndex();
scrollPage($(obj),1);
}
});
//如果有ul li控制按钮
if (objControl!=null) {
$(objControl).delegate('li',function() {
pageIndex=$(this).index();
setTimeout(function(){
scrollPage(obj,100);
});
}
function scrollPage(obje,pIndex,dir){
var windowobject=obje;
var direction=0||dir;
var pageIndex=pIndex;
var dist=Math.round(parseInt($(obj).css("margin-left"))); //当前页距离左边的margin(负值)
var aim=pageIndex*windowWidth*(-1);
if (!$(windowobject).is(":animated")) {
if(!direction){ //响应nav
if (dist != aim) { //此时pageIndex为yearID.非负值
$(windowobject).animate({"margin-left": aim + "px"},1000*speed);
}else{
direction=0;
$(windowobject).animate({"margin-left":"+="+"50px"},500).animate({"margin-left":"-="+"100px"},500).animate({"margin-left":"+="+"50px"},500);
}
}else{ //响应<a href="/tag/jianpan/" target="_blank" class="keywords">键盘</a><a href="/tag/zuoyoujian/" target="_blank" class="keywords">左右键</a>
if(direction==1){ //pageIndex为负值
if(pageIndex==0){
$(windowobject).animate({"margin-left":"+="+"50px"},500);
}else{
pageIndex+=1; //<a href="/tag/xianshi/" target="_blank" class="keywords">显示</a>左边<a href="/tag/neirong/" target="_blank" class="keywords">内容</a>,左键
$(windowobject).animate({"margin-left":"+=" + windowWidth + "px"},1000*speed);
}
}else{
if(pageIndex== ((-1)*(listMax-1))){
$(windowobject).animate({"margin-left":"-="+"50px"},500).animate({"margin-left":"+="+"100px"},500).animate({"margin-left":"-="+"50px"},500);
}else{
pageIndex-=1;
$(windowobject).animate({"margin-left":"-=" + windowWidth + "px"},1000*speed);
}
}
}
}
}
}
}
//在插件中使用windowObj对象的方法,0为vertical,1为horizontal
$.fn.windowScroll=function(options){
//创建实体
var windowObj=new WindowObj(this,options);
//根据选择调用方法
if (windowObj.options.choose==0) {
return windowObj.verticalMove();
}else if(windowObj.options.choose==1){
return windowObj.horizontalMove();
}else{//2之后的留扩展吧
//add some functions
}
}
})(jQuery,document);
详细的代码下载见
以上所述就是本文的全部内容了,希望大家能够喜欢。