点右边的按钮,底部的按钮，滚动鼠标滚轮,按下键盘方向上下键查看效果
$(function(){
var btn_index=0;
/*右边按钮点击*/
$('.section-btn li').each(function(index) {
$(this).click(function(){
btn_index=index;
scroller();
})
});
/*翻页按钮点击*/
$('.go-btn').one('click',btn_go);
function btn_go(){
go_up();scroller();
setTimeout(function(){$('.go-btn').one('click',btn_go)},1000)
};
/*响应鼠标*/
$('.section-wrap').one('mousewheel',mouse_);
function mouse_(event){
if (event.deltaY<0) {go_up()}
else{go_down()}
scroller();
setTimeout(function(){$('.section-wrap').one('mousewheel',mouse_)},1000)
};
/*当前页面赋值*/
function go_up(){btn_index++;if(btn_index==$('.section-btn li').length){btn_index=$('.section-btn li').length-1};}
function go_down(){btn_index--;if(btn_index<0){btn_index=0};}
/*页面滑动*/
function scroller(){
$('.section-btn li').eq(btn_index).addClass('cur').siblings().removeClass('cur');
$('.section-wrap').attr("class","section-wrap").addClass(function() {
return "put-section-"+btn_index;
}).find('.section').eq(btn_index).find('.title').addClass('active');
};
/*响应键盘上下键*/
$(document).one('keydown',keyaction);
function keyaction(event){
var e=event||window.event;
var key=e.keyCode||e.which||e.charCode;
switch(key) {
case 38: go_down();scroller();
break;
case 40: go_up();scroller();
break;
};
setTimeout(function(){$(document).one('keydown',keyaction)},1000)
}
})
