www.gusucode.com > (自适应手机版)html5响应式影视文化公司源码 传播传媒企业通用类织梦模板(demo223) > (自适应手机版)html5响应式影视文化公司源码 传播传媒企业通用类织梦模板(demo223)/www2/style/js/jquery.fixed.js
/* * jQuery Fixed Plugins 1.5.1 * Author: * Url: * Data * * Update Log: * * Status Date Name Version BUG-Description * ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ * Created 2012-08-15 Ru 1.0 None * Modified 2012-09-02 Ru 1.4.1 修复了webkit内核浏览器右边浮动有一定距离的bug(负外边距),增加了悬浮靠边的定位、是否显示关闭按钮、是否垂直居中定位 * Modified 2013-01-02 Ru 1.5.1 增加了垂直方向的位置;把核心函数(关闭、展开、定位、最小化)重构,修复了webkit内核浏览器右边浮动最小化时没有显示出来 * ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------*/ ;(function($){ $.fn.fixed = function(options){ var defaults = { top : null, halfTop : false, durationTime : 500 } var options = $.extend(defaults, options); this.each(function(){ var thisBox = $(this), contentHeight = thisBox.height(), boxTop = null, defaultTop = thisBox.offset().top, halfTop = ($(window).height() - contentHeight)/2 ; if(options.top == null){ boxTop = defaultTop; }else { boxTop = options.top; } if( options.halfTop ) { boxTop = halfTop; } thisBox.css("top", boxTop); //核心scroll事件 $(window).bind("scroll",function(){ var offsetTop = boxTop + $(window).scrollTop() + "px"; thisBox.animate({ top: offsetTop },{ duration: options.durationTime, queue: false }); }); }); //end this.each }; })(jQuery);