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jQuery插件开发之windowScroll

      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

<!doctype html><html><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><meta content="" name="keywords" /><meta content="" name="description" /><meta name="author" content="codetker" /><head><title>window对象滚动插件</title><link href="style/reset.css" rel="stylesheet" type="text/css"><link href="style/style.css" rel="stylesheet" type="text/css"><script type="text/javascript" src='/images/loading.gif' data-original="js/jquery-1.9.1.min.js"></script><script type="text/javascript" src='/images/loading.gif' data-original="js/jquery.codetker.windowScroll.js"></script></head><body scroll="no">  <div class="wrap" style="dispaly:block;">    <div class="stageControl">      <ul>        <li>stage1</li>        <li>stage2</li>        <li>stage3</li>        <li>stage4</li>        <li>stage5</li>      </ul>    </div>    <div class="stage stage1">      <div class="pageControl">        <ul>          <li>page1</li>          <li>page2</li>          <li>page3</li>        </ul>      </div>      <div class="page page1"></div>      <div class="page page2"></div>      <div class="page page3"></div>      </div>    <div class="stage stage2"></div>    <div class="stage stage3"></div>    <div class="stage stage4"></div>    <div class="stage stage5"></div>  </div><script type="text/javascript">  $(document).ready(function(){    $(".wrap").windowScroll({      'choose' : 0,      'verticalSpeed' : 2, //控制垂直滚动速度      'horizontalSpeed' : 1,      'objControlUl': '.wrap .stageControl'    });    $(".stage1").windowScroll({      'choose': 1,      'verticalSpeed' : 1,      'horizontalSpeed' : 1,//控制水平滚动速度      'objControlUl': '.stage1 .pageControl'    });  });</script></body></html>

 

CSS

@charset "utf-8";/* CSS Document */body{  margin:0 0;  padding:0 0;  height:100%;  width:100%;  overflow: hidden;;}.wrap{  font-family:"微软雅黑","宋体", Times, "Times New Roman", serif;  font-size:14px;  margin:0 0;  padding:0 0;  height:100%;  width:100%;  overflow:hidden;}.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;}

 

JavaScript

/* * windowScroll 0.1 * window滚动插件,上下左右,可选择是否回弹。参考搜狗欢迎页面 * 兼容IE,FF,Chrome等常见浏览器 * 借鉴搜狗4.2版http://ie.sogou.com/features4.2.html */ ;(function($,window,document,undefined){   //定义构造函数   var WindowObj=function(ele,opt){     this.$element=ele; //最外层对象     this.defaults={       'choose' : 0,//默认为上下       'verticalSpeed' : 1,       'horizontalSpeed' : 1,       'objControlUl': null     },       this.options=$.extend({},this.defaults,opt );    //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=$(list).length;       var is_chrome=navigator.userAgent.toLowerCase().indexOf('chrome')>-1;       if(is_chrome){         //判断webkit内核,供scrollTop兼容性使用         windowobject='body';       }else{         //支持IE和FF         windowobject='html';       }       var stop=0;       //均设置为windows大小       this.setSize(obj);       //得到当前的垂直位置       var stageIndex;       function getIndex(){         stageIndex=Math.round($(window).scrollTop()/windowHeight);       }       //绑定键盘上下按键事件       $(document).keydown(function(event) {         /* 绑定keycode38,即向上按钮 */         if (event.keyCode==38) {           getIndex();          setTimeout(function(){            scrollStage(windowobject,stageIndex,1); //stageIndex为当前页码          },100);         }else if (event.keyCode==40) {//绑定40,即向下按钮           getIndex();          setTimeout(function(){            scrollStage(windowobject,stageIndex,-1); //stageIndex为当前页码          },100);         }       });       //绑定滑**能的函数       function handle(delta){         getIndex();        if (delta<0) {          setTimeout(function(){            scrollStage(windowobject,stageIndex,-1); //stageIndex为当前页码          },100);        }else{          setTimeout(function(){            scrollStage(windowobject,stageIndex,1); //stageIndex为当前页码          },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,stageIndex,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) { //内容下移,窗口上移,上方出现弹痕              direction=-1;              $(windowobject).animate({                "scrollTop": target +"px"              },1000*speed,function(){                crash_bottom(1,target,20,150); //调用撞击函数,先撞顶部,target变成当前页面了              });            }else if($(window).scrollTop() == windowHeight*sIndex){ //当前页面时              direction=0;              crash_bottom(1, target ,20,150); //模拟撞底部            }else{              direction=1;              $(windowobject).animate({                "scrollTop": target +"px"              },1000*speed,function(){                crash(1,target,20,150); //调用撞击函数,先撞底部              });            }          }else{//响应鼠标滚轮和键盘上下,sindex为当前页面            if(direction==1){              if(sIndex==0){                crash(1,target,20,150);              }else{ //往上翻                sIndex-=1;                $(windowobject).animate({                  "scrollTop":windowHeight*sIndex+"px"                  },1000*speed,function(){                    crash_bottom(1,windowHeight*sIndex,20,150); //调用撞击函数,往下翻内容往上,先撞顶部                  }                );              }            }else{              if(sIndex==listMax){                crash_bottom(1,target,20,150);              }else{ //往下翻                sIndex+=1;                $(windowobject).animate({                  "scrollTop":windowHeight*sIndex+"px"                },1000*speed,function(){                  crash(1,windowHeight*sIndex,20,150); //调用撞击函数,往上翻内容往下,先撞底部                });              }            }          }        }       }      //撞击函数      function crash_bottom(direction,termin,distant,time){        if (!stop) {          var scrollTop=$(window).scrollTop();          if (direction==1) {            direction=0;            $(windowobject).animate({"scrollTop":"+="+distant+"px"},time,function(){              crash_bottom(direction,termin,distant*0.6,time);              if (distant<=15||time>150) {                stop=1;//停止碰撞                $(windowobject).animate({"scrollTop":termin+"px"},time,function(){                  stop=0;                });              }            });          }else if (direction==0) {            direction=1;            $(windowobject).animate({"scrollTop":termin+"px"},time,function(){              crash_bottom(direction,termin,distant*0.6,time);              if (distant<=15||time>150) {                stop=1;//停止碰撞                $(windowobject).animate({"scrollTop":termin+"px"},time,function(){                  stop=0;                });              }            });          }        }      }      function crash(direction,termin,distant,time){        if (!stop) {          var scrollTop=$(window).scrollTop();          if (direction==1) {            direction=0;            $(windowobject).animate({"scrollTop":"-="+distant+"px"},time,function(){              crash(direction,termin,distant*0.6,time);              if (distant<=15||time>150) {                stop=1;//停止碰撞                $(windowobject).animate({"scrollTop":termin+"px"},time,function(){                  stop=0;                });              }            });          }else if (direction==0) {            direction=1;            $(windowobject).animate({"scrollTop":termin+"px"},time,function(){              crash(direction,termin,distant*0.6,time);              if (distant<=15||time>150) {                stop=1;//停止碰撞                $(windowobject).animate({"scrollTop":termin+"px"},time,function(){                  stop=0;                });              }            });          }        }      }     },     //左右滚动的方法     horizontalMove:function(){       var obj=this.$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{         //支持IE和FF         windowobject='html';       }       var stop=0;       //均设置为windows大小       this.setSize(obj);       $(obj).css({'width':windowWidth*listMax+'px'});       var pageIndex; //当前页面页码(负数)      function getPageIndex(){        pageIndex=Math.round(parseInt($(obj).css("margin-left")) / windowWidth);      }      //绑定键盘左右按键事件      $(document).keydown(function(event){        //判断event.keyCode为39(即向右按钮)        if (event.keyCode==39) {          getPageIndex();          scrollPage($(obj),pageIndex,-1);         }        //判断event.keyCode为37(即向左按钮        else if (event.keyCode==37) {          getPageIndex();          scrollPage($(obj),pageIndex,1);        }      });      //如果有ul li控制按钮       if (objControl!=null) {         $(objControl).delegate('li', 'click', function() {           pageIndex=$(this).index();           setTimeout(function(){             scrollPage(obj,pageIndex,0);           },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{ //响应键盘左右键            if(direction==1){ //pageIndex为负值              if(pageIndex==0){                $(windowobject).animate({"margin-left":"+="+"50px"},500).animate({"margin-left":"-="+"100px"},500).animate({"margin-left":"+="+"50px"},500);                }else{                pageIndex+=1; //显示左边内容,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,window,document);

      详细的代码下载见https://github.com/codetker/myWindowScroll,实现的效果见http://wechat.wutnews.net/Web/PhotoWall/(尚在改善中)。




原标题:jQuery插件开发之windowScroll

关键词:Windows

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