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[网页设计]H5+CSS3实现手指滑动切换图片

包含3个文件:html、slider-H5.js、jquery.js(自行下载)。在html中可配置滑动参数。具体代码如下:

HTML代码:

<!DOCTYPE HTML><html><head><meta charset="utf-8"/><meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1" /><meta name="viewport" content = "width=device-width, target-densitydpi=high-dpi, initial-scale=1.0, maximum-scale=1.0, user-scalable=no" /><meta name="apple-mobile-web-app-capable" content="yes" /><meta name="apple-mobile-web-app-status-bar-style" content="black" /><meta content="telephone=no" name="format-detection" /><meta name="keywords" content="seokeywords"/><meta name="description" content="seodescription"/><title>H5手指滑动切换图片</title><style>ul,li{margin:0;padding:0;}@media screen and (min-width:240px) {  html, body{    font-size:9px;  }}@media screen and (min-width:320px) {  html, body{    font-size:12px;  }}@media screen and (min-width:480px) {  html, body{  font-size:18px;  }}@media screen and (min-width:640px) {  html, body{    font-size:24px;  }}@media screen and (min-width:960px) {  html, body{    font-size:36px;  }}div.imgbox{width:25rem;height:16.5rem;overflow:hidden;margin:0 auto;}div.imgbox ul{clear:both;width:75rem;display: inline-block;}div.imgbox ul li{float:left;width:25rem;height:16.5rem;overflow:hidden;text-align:center;}div.imgbox ul li img{width:24rem;height:16.5rem;}#page{color:red;}</style></head><body><div class="imgbox">  <ul>    <li><a href="#"><img src="http://y2.ifengimg.com/df84c07b46e03f8e/2014/0512/rdn_53708f3d8533e.jpg"></img></a></li>    <li><a href="#"><img src="http://y2.ifengimg.com/df84c07b46e03f8e/2014/0512/rdn_53708f23aad06.jpg"></img></a></li>    <li><a href="#"><img src="http://y2.ifengimg.com/df84c07b46e03f8e/2014/0512/rdn_53708f345282b.jpg"></img></a></li>  </ul></div><div>这里通过回调显示当前滚动到多少页:<span id="page">0</span></div><script src="jquery-1.10.2yuan.js"></script><script src="slider-H5.js"></script><script>(function(){/*  注意:$.mggScrollImg返回的scrollImg对象上有      next,prev,go三个方法,可以实现外部对滚动索引的控制。  如:scrollImg.next();//会切换到下一张图片    scrollImg.go(0);//会切换到第一张图片*/var scrollImg = $.mggScrollImg('.imgbox ul',{    loop : true,//循环切换    auto : true,//自动切换    auto_wait_time:3000,//轮播间隔    scroll_time:300,//滚动时长    callback : function(ind){//这里传过来的是索引值      $('#page').text(ind+1);    }  });})()</script></body></html>

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slider-H5.js 代码

(function($){  /*    图片滚动效果    @jQuery or @String box : 滚动列表jQuery对象或者选择器 如:滚动元素为li的外层ul    @object config : {        @Number width : 一次滚动宽度,默认为box里面第一个一级子元素宽度[如果子元素宽度不均匀则滚动效果会错乱]        @Number size : 列表长度,默认为box里面所有一级子元素个数[如果size不等于一级子元素个数,则不支持循环滚动]        @Boolean loop : 是否支持循环滚动 默认 true        @Boolean auto : 是否自动滚动,支持自动滚动时必须支持循环滚动,否则设置无效,默认为true        @Number auto_wait_time : 自动轮播一次时间间隔,默认为:3000ms        @Function callback : 滚动完回调函数,参入一个参数当前滚动节点索引值      }  */  function mggScrollImg(box,config){    this.box = $(box);    this.config = $.extend({},config||{});    this.width = this.config.width||this.box.children().eq(0).width();//一次滚动的宽度    this.size = this.config.size||this.box.children().length;    this.loop = this.config.loop!==undefined ? (this.config.loop==true ? true : false) : true;//默认能循环滚动    this.auto =this.config.auto!==undefined ? (this.config.auto==true ? true : false) : true;//默认自动滚动    this.auto_wait_time = this.config.auto_wait_time||3000;//轮播间隔    this.scroll_time =this.config.scroll_time!==undefined?(this.config.scroll_time>0?this.config.scroll_time:0) : 300;//滚动时长    this.minleft = -this.width*(this.size-1);//最小left值,注意是负数[不循环情况下的值]    this.maxleft =0;//最大lfet值[不循环情况下的值]    this.now_left = 0;//初始位置信息[不循环情况下的值]    this.point_x = null;//记录一个x坐标    this.point_y = null;//记录一个y坐标    this.move_left = false;//记录向哪边滑动    this.index = 0;    this.busy = false;    this.timer;    this.init();  }  $.extend(mggScrollImg.prototype,{    init : function(){      this.bind_event();      this.init_loop();      this.auto_scroll();    },    bind_event : function(){      var self = this;      self.box.bind('touchstart',function(e){        var t=e.touches?e.touches:e.originalEvent.targetTouches;        if(t.length==1 && !self.busy){          self.point_x = t[0].screenX;          self.point_y = t[0].screenY;        }      }).bind('touchmove',function(e){        var t=e.touches?e.touches:e.originalEvent.targetTouches;        if(t.length==1 && !self.busy){          return self.move(t[0].screenX,t[0].screenY);//这里根据返回值觉得是否阻止默认touch事件        }      }).bind('touchend',function(e){        !self.busy && self.move_end();      });    },    /*      初始化循环滚动,当一次性需要滚动多个子元素时,暂不支持循环滚动效果,      如果想实现一次性滚动多个子元素效果,可以通过页面结构实现      循环滚动思路:复制首尾节点到尾首    */    init_loop : function(){       if(this.box.children().length>1 && this.box.children().length == this.size && this.loop){//暂时只支持size和子节点数相等情况的循环        this.now_left = -this.width;//设置初始位置信息        this.minleft = -this.width*this.size;//最小left值        this.maxleft = -this.width;        this.box.prepend(this.box.children().eq(this.size-1).clone()).append(this.box.children().eq(1).clone()).css(this.get_style(2));        this.box.css('width',this.width*(this.size+2));      }else{        this.loop = false;        this.box.css('width',this.width*this.size);      }    },    auto_scroll : function(){//自动滚动      var self = this;      if(!self.auto)return;      clearTimeout(self.timer);      self.timer = setTimeout(function(){        self.go_index(self.index+1);      },self.auto_wait_time);    },    go_index : function(ind){//滚动到指定索引页面      var self = this;      if(self.busy)return;      clearTimeout(self.timer);      self.busy = true;      if(self.loop){//如果循环        ind = ind<0?-1:ind;        ind = ind>self.size?self.size:ind;      }else{        ind = ind<0?0:ind;        ind = ind>=self.size?(self.size-1):ind;      }      if(!self.loop && (self.now_left == -(self.width*ind))){        self.complete(ind);      }else if(self.loop && (self.now_left == -self.width*(ind+1))){        self.complete(ind);      }else{        if(ind == -1 || ind == self.size){//循环滚动边界          self.index = ind==-1?(self.size-1):0;          self.now_left = ind==-1?0:-self.width*(self.size+1);        }else{          self.index = ind;          self.now_left = -(self.width*(self.index+(self.loop?1:0)));        }        self.box.css(this.get_style(1));        setTimeout(function(){          self.complete(ind);        },self.scroll_time);      }    },    complete : function(ind){//动画完成回调      var self = this;      self.busy = false;      self.config.callback && self.config.callback(self.index);      if(ind==-1){        self.now_left = self.minleft;      }else if(ind==self.size){        self.now_left = self.maxleft;      }      self.box.css(this.get_style(2));      self.auto_scroll();    },    next : function(){//下一页滚动      if(!this.busy){        this.go_index(this.index+1);      }    },    prev : function(){//上一页滚动      if(!this.busy){        this.go_index(this.index-1);      }    },    move : function(point_x,point_y){//滑动屏幕处理函数      var changeX = point_x - (this.point_x===null?point_x:this.point_x),        changeY = point_y - (this.point_y===null?point_y:this.point_y),        marginleft = this.now_left, return_value = false,        sin =changeY/Math.sqrt(changeX*changeX+changeY*changeY);      this.now_left = marginleft+changeX;      this.move_left = changeX<0;      if(sin>Math.sin(Math.PI/3) || sin<-Math.sin(Math.PI/3)){//滑动屏幕角度范围:PI/3 -- 2PI/3        return_value = true;//不阻止默认行为      }      this.point_x = point_x;      this.point_y = point_y;      this.box.css(this.get_style(2));      return return_value;    },    move_end : function(){      var changeX = this.now_left%this.width,ind;      if(this.now_left<this.minleft){//手指向左滑动        ind = this.index +1;      }else if(this.now_left>this.maxleft){//手指向右滑动        ind = this.index-1;      }else if(changeX!=0){        if(this.move_left){//手指向左滑动          ind = this.index+1;        }else{//手指向右滑动          ind = this.index-1;        }      }else{        ind = this.index;      }      this.point_x = this.point_y = null;      this.go_index(ind);    },    /*      获取动画样式,要兼容更多浏览器,可以扩展该方法      @int fig : 1 动画 2 没动画    */    get_style : function(fig){      var x = this.now_left ,        time = fig==1?this.scroll_time:0;      return {        '-webkit-transition':'-webkit-transform '+time+'ms',        '-webkit-transform':'translate3d('+x+'px,0,0)',        '-webkit-backface-visibility': 'hidden',        'transition':'transform '+time+'ms',        'transform':'translate3d('+x+'px,0,0)'      };    }  });  /*    这里对外提供调用接口,对外提供接口方法    next :下一页    prev :上一页    go :滚动到指定页  */  $.mggScrollImg = function(box,config){    var scrollImg = new mggScrollImg(box,config);    return {//对外提供接口      next : function(){scrollImg.next();},      prev : function(){scrollImg.prev();},      go : function(ind){scrollImg.go_index(parseInt(ind)||0);}    }  }})(jQuery)

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参考:http://www.cnblogs.com/huzhiming/p/3732688.html(修改了源代码的部分bug:循环参数loop和自动切换参数配置无效;新增滚动时长配置;只有一张图片时不允许切换。)