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@ -358,51 +358,51 @@ layui.define('jquery', function(exports){
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// 让指定的元素保持在可视区域
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// 让指定的元素保持在可视区域
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toVisibleArea: function(options){
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toVisibleArea: function(options){
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options = $.extend({
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options = $.extend({
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margin: 160 //触发动作的边界值
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margin: 160, // 触发动作的边界值
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,duration: 200 //动画持续毫秒数
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duration: 200, // 动画持续毫秒数
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,type: 'y' //触发方向,x 水平、y 垂直
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type: 'y' // 触发方向,x 水平、y 垂直
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}, options);
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}, options);
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if(!options.scrollElem[0] || !options.thisElem[0]) return;
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if(!options.scrollElem[0] || !options.thisElem[0]) return;
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var scrollElem = options.scrollElem //滚动元素
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var scrollElem = options.scrollElem // 滚动元素
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,thisElem = options.thisElem //目标元素
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var thisElem = options.thisElem // 目标元素
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,vertical = options.type === 'y' //是否垂直方向
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var vertical = options.type === 'y' // 是否垂直方向
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,SCROLL_NAME = vertical ? 'scrollTop' : 'scrollLeft' //滚动方法
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var SCROLL_NAME = vertical ? 'scrollTop' : 'scrollLeft' // 滚动方法
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,OFFSET_NAME = vertical ? 'top' : 'left' //坐标方式
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var OFFSET_NAME = vertical ? 'top' : 'left' // 坐标方式
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,scrollValue = scrollElem[SCROLL_NAME]() //当前滚动距离
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var scrollValue = scrollElem[SCROLL_NAME]() // 当前滚动距离
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,size = scrollElem[vertical ? 'height' : 'width']() //滚动元素的尺寸
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var size = scrollElem[vertical ? 'height' : 'width']() // 滚动元素的尺寸
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,scrollOffet = scrollElem.offset()[OFFSET_NAME] //滚动元素所处位置
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var scrollOffet = scrollElem.offset()[OFFSET_NAME] // 滚动元素所处位置
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,thisOffset = thisElem.offset()[OFFSET_NAME] - scrollOffet //目标元素当前的所在位置
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var thisOffset = thisElem.offset()[OFFSET_NAME] - scrollOffet // 目标元素当前的所在位置
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,obj = {};
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var obj = {};
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//边界满足条件
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// 边界满足条件
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if(thisOffset > size - options.margin || thisOffset < options.margin){
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if(thisOffset > size - options.margin || thisOffset < options.margin){
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obj[SCROLL_NAME] = thisOffset - size/2 + scrollValue
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obj[SCROLL_NAME] = thisOffset - size/2 + scrollValue
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scrollElem.animate(obj, options.duration);
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scrollElem.animate(obj, options.duration);
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}
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}
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},
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},
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//批量事件
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// 批量事件
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event: function(attr, obj, eventType){
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event: function(attr, obj, eventType){
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var _body = $('body');
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var _body = $('body');
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eventType = eventType || 'click';
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eventType = eventType || 'click';
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//记录事件回调集合
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// 记录事件回调集合
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obj = util.event[attr] = $.extend(true, util.event[attr], obj) || {};
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obj = util.event[attr] = $.extend(true, util.event[attr], obj) || {};
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//清除委托事件
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// 清除委托事件
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util.event.UTIL_EVENT_CALLBACK = util.event.UTIL_EVENT_CALLBACK || {};
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util.event.UTIL_EVENT_CALLBACK = util.event.UTIL_EVENT_CALLBACK || {};
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_body.off(eventType, '*['+ attr +']', util.event.UTIL_EVENT_CALLBACK[attr])
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_body.off(eventType, '*['+ attr +']', util.event.UTIL_EVENT_CALLBACK[attr])
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//绑定委托事件
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// 绑定委托事件
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util.event.UTIL_EVENT_CALLBACK[attr] = function(){
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util.event.UTIL_EVENT_CALLBACK[attr] = function(){
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var othis = $(this)
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var othis = $(this);
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,key = othis.attr(attr);
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var key = othis.attr(attr);
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(typeof obj[key] === 'function') && obj[key].call(this, othis);
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(typeof obj[key] === 'function') && obj[key].call(this, othis);
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};
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};
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//清除旧事件,绑定新事件
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// 清除旧事件,绑定新事件
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_body.on(eventType, '*['+ attr +']', util.event.UTIL_EVENT_CALLBACK[attr]);
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_body.on(eventType, '*['+ attr +']', util.event.UTIL_EVENT_CALLBACK[attr]);
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return obj;
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return obj;
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@ -411,11 +411,6 @@ layui.define('jquery', function(exports){
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util.on = util.event;
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util.on = util.event;
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// DOM 尺寸变化,该创意来自:http://benalman.com/projects/jquery-resize-plugin/
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/*
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!function(a,b,c){"$:nomunge";function l(){f=b[g](function(){d.each(function(){var b=a(this),c=b.width(),d=b.height(),e=a.data(this,i);(c!==e.w||d!==e.h)&&b.trigger(h,[e.w=c,e.h=d])}),l()},e[j])}var f,d=a([]),e=a.resize=a.extend(a.resize,{}),g="setTimeout",h="resize",i=h+"-special-event",j="delay",k="throttleWindow";e[j]=250,e[k]=!0,a.event.special[h]={setup:function(){if(!e[k]&&this[g])return!1;var b=a(this);d=d.add(b),a.data(this,i,{w:b.width(),h:b.height()}),1===d.length&&l()},teardown:function(){if(!e[k]&&this[g])return!1;var b=a(this);d=d.not(b),b.removeData(i),d.length||clearTimeout(f)},add:function(b){function f(b,e,f){var g=a(this),h=a.data(this,i)||{};h.w=e!==c?e:g.width(),h.h=f!==c?f:g.height(),d.apply(this,arguments)}if(!e[k]&&this[g])return!1;var d;return a.isFunction(b)?(d=b,f):(d=b.handler,b.handler=f,void 0)}}}($,window);
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*/
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// 输出接口
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// 输出接口
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exports('util', util);
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exports('util', util);
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});
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});
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